diff --git a/configuration.nix b/configuration.nix
deleted file mode 100644
index d7e7bde..0000000
--- a/configuration.nix
+++ /dev/null
@@ -1,4 +0,0 @@
-_:
-{
-  imports = [ ./rossby/manage ];
-}
diff --git a/ekman/bin/adduser.sh b/ekman/bin/adduser.sh
new file mode 100755
index 0000000..107110f
--- /dev/null
+++ b/ekman/bin/adduser.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+id=$1
+user=$2
+name="$3"
+
+grp="\    $user = { gid = "$id"; };"
+
+read -d '' usr << EOF
+\\\   $user = {\\\n\
+      description = "$name";\\\n\
+      home = "/home/$user";\\\n\
+      group = "$user";\\\n\
+      extraGroups = [\\\n\
+        "users"\\\n\
+        "docker"\\\n\
+      ];\\\n\
+      uid = $id;\\\n\
+      isNormalUser = true;\\\n\
+      createHome = true;\\\n\
+      openssh.authorizedKeys.keys = [];\\\n\
+    };\\\n\
+
+EOF
+
+sed -i "
+/# @grp@/i $grp
+/# @usr@/i $usr
+" stokes/users.nix
diff --git a/ekman/bin/copy-hardware-configuration.sh b/ekman/bin/copy-hardware-configuration.sh
new file mode 100755
index 0000000..21505a7
--- /dev/null
+++ b/ekman/bin/copy-hardware-configuration.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+TOP="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/.."
+
+if [ $# != 1 ]; then
+    echo "usage: copy-hardware-configuration.sh name"
+    exit 1
+fi
+
+node=$1
+
+[ -e $node.nix ] && mv $node.nix $node.nix.bak
+
+scp root@$node:/etc/nixos/hardware-configuration.nix $node.nix
diff --git a/ekman/bin/deploy.sh b/ekman/bin/deploy.sh
new file mode 100755
index 0000000..d13f4d4
--- /dev/null
+++ b/ekman/bin/deploy.sh
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+TOP="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)/.."
+
+if [ $# = 0 ]; then
+    echo "usage: deploy.sh name ..."
+    exit 1
+fi
+
+if [ ! -f $TOP/$1/default.nix ]; then
+    echo "error: $1 does not contain a deployment"
+    exit 1
+fi
+
+cd $TOP/$1
+
+nixops list | grep -q $1
+if [ $? = 0 ]; then
+    echo "--- Updating deployment"
+    nixops modify -d $1 .
+else
+    echo "--- Creating deployment"
+    nixops create -d $1 .
+fi
+
+echo "--- Deploying $1"
+nixops deploy -k -d $* --allow-reboot
diff --git a/ekman/bin/initca.sh b/ekman/bin/initca.sh
new file mode 100755
index 0000000..0491dd5
--- /dev/null
+++ b/ekman/bin/initca.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+TOP="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)/.."
+
+if [ "x$1" = "x" ]; then
+    echo "usage: initca.sh {cluster}"
+    exit 1
+fi
+
+ca=$TOP/modules/initca.nix
+
+cd $TOP/$1
+
+echo "--- Preparing CA certificate"
+nix-build -o ca $ca
+
+echo "--- Safeguarding CA certificate"
+nix-store --add-root $(pwd)/ca --indirect -r $(nix-instantiate --add-root $ca)
diff --git a/ekman/bin/reboot.sh b/ekman/bin/reboot.sh
new file mode 100755
index 0000000..edd18a6
--- /dev/null
+++ b/ekman/bin/reboot.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+TOP="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)/.."
+
+if [ $# = 0 ]; then
+    echo "usage: reboot.sh cluster "
+    exit 1
+fi
+
+d=$1
+shift
+nixops reboot -d $d $*
diff --git a/ekman/bin/ssh.sh b/ekman/bin/ssh.sh
new file mode 100755
index 0000000..e49368f
--- /dev/null
+++ b/ekman/bin/ssh.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+TOP="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)/.."
+
+if [ $# = 0 ]; then
+    echo "usage: ssh.sh cluster ..."
+    exit 1
+fi
+
+d=$1; shift
+
+nixops ssh-for-each -d $d -- $@
diff --git a/ekman/bin/teardown.sh b/ekman/bin/teardown.sh
new file mode 100755
index 0000000..7b167db
--- /dev/null
+++ b/ekman/bin/teardown.sh
@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+TOP="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/.."
+
+reboot=no
+case $1 in
+    --reboot) reboot=yes; shift ;;
+esac
+
+if [ $# != 1 ]; then
+    echo "usage: teardown.sh [--reboot] name"
+    exit 1
+fi
+
+d=$1
+tmp=$TOP/.$d.$$
+
+teardown () {
+    mkdir -p $tmp
+    cp -r $TOP/$d/* $tmp
+    sed -i '/k8s *= *{/,+1 s/enable *= *true/enable = false/' $tmp/cluster.nix
+    nixops modify -d $d $tmp
+    nixops deploy -d $d
+    [ $reboot = yes ] && nixops reboot -d $d
+    nixops ssh-for-each -d $d \
+        "rm -rf /var/run/kubernetes /var/lib/kubernetes /var/lib/etcd /var/lib/kubelet /var/lib/cfssl"
+    rm -rf $tmp
+}
+cat << EOF
+
+************************************************************************
+***                                                                  ***
+*** WARNING: This will irrevokably destroy the running cluster!      ***
+***                                                                  ***
+************************************************************************
+
+EOF
+
+echo "Are you sure you want to tear down $d? (YES/no)"
+read a
+case $a in
+    YES) teardown ;;
+    *) echo "Bailing out." ;;
+esac
+
diff --git a/ekman/c0/connauthfile b/ekman/c0/connauthfile
new file mode 100644
index 0000000..37cd965
--- /dev/null
+++ b/ekman/c0/connauthfile
@@ -0,0 +1 @@
+äˇq‹u
\ No newline at end of file
diff --git a/ekman/c0/default.nix b/ekman/c0/default.nix
new file mode 100644
index 0000000..e5e0519
--- /dev/null
+++ b/ekman/c0/default.nix
@@ -0,0 +1,110 @@
+{ pkgs ? import <nixpkgs> {} }:
+let
+  # Pin the deployment package-set to a specific version of nixpkgs
+  # pkgs = import (builtins.fetchTarball {
+  #   url = "https://github.com/NixOS/nixpkgs/archive/e6377ff35544226392b49fa2cf05590f9f0c4b43.tar.gz";
+  #   sha256 = "1fra9wwy5gvj5ibayqkzqpwdf715bggc0qbmrfch4fghwvl5m70l";
+  # }) {};
+  # pkgs = import <nixpkgs> {};
+
+  nodes = import ./nodes.nix;
+
+  compute = {
+    deployment.tags = [ "compute" "c0" ];
+
+    fileSystems = {
+      "/users" = {
+        device = "172.16.239.222:/home";
+        fsType = "nfs4";
+        options = [
+          "soft"
+          "defaults"
+          "noauto"
+          "x-systemd.automount"
+        ];
+      };
+    };
+
+    systemd.automounts = [
+      {
+        where = "/users";
+        wantedBy = [ "default.target" ];
+      }
+    ];
+  };
+
+  mkCompute = host:
+  let
+<<<<<<<< HEAD:rossby/c0/default.nix
+    hw = ./hardware-config.d + "/${host.name}.nix";
+========
+    hw = ./hardware-configuration.d + "/${host.name}.nix";
+>>>>>>>> ekman:ekman/c0/default.nix
+  in {
+    "${host.name}" = {
+      cluster = {
+        compute = true;
+        k8sNode = true;
+        mounts = {
+          rdma.enable = false;
+          automount.enable = true;
+          users = true;
+          opt = true;
+          work = false;
+          data = false;
+          ceph = false;
+        };
+      };
+
+      features = {
+        host = {
+          name = host.name;
+          address = host.address;
+        };
+        os.externalInterface = "enp65s0f0";
+        hpc.compute = true;
+        # hpc.knem = true;
+      };
+
+      deployment.targetHost = host.address;
+
+      # services.udev.extraRules = ''
+      #   KERNEL=="ibp1s0", SUBSYSTEM=="net", ATTR{create_child}:="0x7666"
+      # '';
+
+      networking = {
+        hostName = host.name;
+        useDHCP = false;
+        interfaces. enp65s0f0 = {
+          useDHCP = false;
+          ipv4.addresses = [ {
+            address = host.address;
+            prefixLength = 24;
+          } ];
+          # ipv4.routes = [ {
+          #   address = "10.255.242.0";
+          #   prefixLength = 24;
+          #   via = "10.255.241.100";
+          # } ];
+
+        };
+        # interfaces."ibp1s0.7666" = {
+        # interfaces."ibp1s0" = {
+        #   useDHCP = false;
+        #   ipv4.addresses = [ {
+        #     address = host.ipoib;
+        #     prefixLength = 24;
+        #   } ];
+        # };
+      };
+      imports = [
+          hw
+          ../default.nix
+          ../mounts.nix
+          #./kernel.nix
+      ];
+    }
+    // compute;
+};
+in builtins.foldl' (a: n: a // mkCompute n) {} nodes
+
diff --git a/ekman/c0/hardware-configuration.d/c0-1.nix b/ekman/c0/hardware-configuration.d/c0-1.nix
new file mode 100644
index 0000000..185e1ef
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-1.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/0a0feff4-c3aa-4a67-9880-78c08f2e1db3";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/A52D-B7FA";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-10.nix b/ekman/c0/hardware-configuration.d/c0-10.nix
new file mode 100644
index 0000000..88ddfc7
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-10.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/cd6d1033-a92f-4ab7-8265-00d57466221b";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/AEA2-6A41";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-11.nix b/ekman/c0/hardware-configuration.d/c0-11.nix
new file mode 100644
index 0000000..23a463a
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-11.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/92a043ce-b2be-4cdd-b6e0-1e8f3e6952fd";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/3038-56D0";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-12.nix b/ekman/c0/hardware-configuration.d/c0-12.nix
new file mode 100644
index 0000000..d6e6e1b
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-12.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/5d8be7db-bdb6-47d2-bb9a-5dc62f162c0f";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/8C14-D452";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-13.nix b/ekman/c0/hardware-configuration.d/c0-13.nix
new file mode 100644
index 0000000..19898f1
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-13.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/f0909558-f71a-472e-af38-8ffdb2e9e453";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/72A0-CF21";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-14.nix b/ekman/c0/hardware-configuration.d/c0-14.nix
new file mode 100644
index 0000000..4527c39
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-14.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/c35b6b6f-29da-4ea0-8fba-067301ce9572";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/3FC3-84E2";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-15.nix b/ekman/c0/hardware-configuration.d/c0-15.nix
new file mode 100644
index 0000000..693bf56
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-15.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/1a765ce5-2156-4427-8594-824473a31205";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/4CD7-6D3E";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-16.nix b/ekman/c0/hardware-configuration.d/c0-16.nix
new file mode 100644
index 0000000..7323c07
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-16.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/2580dfeb-a28e-4f3d-87a8-e7c7a9fdfeca";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/6BB5-3DC2";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-2.nix b/ekman/c0/hardware-configuration.d/c0-2.nix
new file mode 100644
index 0000000..270ddb7
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-2.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "mpt3sas" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/032fe2e6-9091-47e8-b121-0123abe4f0fc";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/EE11-AD60";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp34s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-3.nix b/ekman/c0/hardware-configuration.d/c0-3.nix
new file mode 100644
index 0000000..eaf215b
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-3.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "mpt3sas" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/da170cd8-0a6b-470f-96aa-a7bdf3dd8736";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/159D-E4C1";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp34s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-4.nix b/ekman/c0/hardware-configuration.d/c0-4.nix
new file mode 100644
index 0000000..3ec10fa
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-4.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "mpt3sas" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/b081d8a1-3cae-4017-afd3-0482d58f3062";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/1E63-EA5E";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp34s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-5.nix b/ekman/c0/hardware-configuration.d/c0-5.nix
new file mode 100644
index 0000000..0cae6d1
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-5.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "mpt3sas" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/494bceb1-c0d1-419d-a379-8104ff90aa61";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/294F-20BD";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp34s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-6.nix b/ekman/c0/hardware-configuration.d/c0-6.nix
new file mode 100644
index 0000000..4df363a
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-6.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "mpt3sas" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/be0a7204-1a90-4f06-980a-a315e9c664ca";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/4889-6E82";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp34s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-7.nix b/ekman/c0/hardware-configuration.d/c0-7.nix
new file mode 100644
index 0000000..3514f6a
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-7.nix
@@ -0,0 +1,37 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/f972da1f-a7da-4c94-8bee-cf733a3e4aef";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/7031-4731";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0f0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0f1np1.useDHCP = lib.mkDefault true;
+
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-8.nix b/ekman/c0/hardware-configuration.d/c0-8.nix
new file mode 100644
index 0000000..310c276
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-8.nix
@@ -0,0 +1,43 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "mpt3sas" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/ffeb8ede-16f1-48bc-a976-1ea9ab982745";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/E780-1C40";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp34s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/hardware-configuration.d/c0-9.nix b/ekman/c0/hardware-configuration.d/c0-9.nix
new file mode 100644
index 0000000..c91b78f
--- /dev/null
+++ b/ekman/c0/hardware-configuration.d/c0-9.nix
@@ -0,0 +1,44 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "mpt3sas" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/3d27bbdb-4370-4af2-9747-74d03acfa558";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/9E1B-2495";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp34s0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f3.useDHCP = lib.mkDefault true;
+  # networking.interfaces.tailscale0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0/kernel.nix b/ekman/c0/kernel.nix
new file mode 100644
index 0000000..6aaa81c
--- /dev/null
+++ b/ekman/c0/kernel.nix
@@ -0,0 +1,58 @@
+{pkgs, lib, ...}:
+let
+  kernel = pkgs.linuxPackages.kernel;
+  i40e =
+    pkgs.stdenv.mkDerivation rec {
+      name = "i40e-${version}-${kernel.version}";
+      version = "2.13.10";
+
+      src = pkgs.fetchFromGitHub {
+        owner = "dmarion";
+        repo = "i40e";
+        rev = "7228a7c3b362c3170baa2f9a9c6870a900e78dbd";
+        sha256 = "087kvq9wrc1iw6vig8cqcx7cb6346wx8qxzb85c3n8638vq1vrxr";
+      };
+
+      hardeningDisable = [ "pic" ];
+
+      configurePhase = ''
+        cd src
+        kernel_version=${kernel.modDirVersion}
+        sed -i -e 's|/lib/modules|${kernel.dev}/lib/modules|' Makefile
+        sed -i -e 's|/lib/modules|${kernel.dev}/lib/modules|' common.mk
+        export makeFlags="BUILD_KERNEL=$kernel_version"
+      '';
+
+      installPhase = ''
+        install -v -D -m 644 i40e.ko "$out/lib/modules/$kernel_version/kernel/drivers/net/i40e/i40e2.ko"
+      '';
+
+      dontStrip = true;
+
+      enableParallelBuilding = true;
+
+      meta = {
+        description = "Linux kernel drivers for Intel Ethernet adapters and LOMs (LAN On Motherboard)";
+        homepage = https://github.com/dmarion/i40e;
+        license = lib.licenses.gpl2;
+      };
+    };
+in
+{
+  # i40e2 = i40e;
+  # boot.kernelPackages = pkgs.linuxPackagesFor (pkgs.linux_5_10.override {
+  #   argsOverride = rec {
+  #     src = pkgs.fetchurl {
+  #           url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
+  #           sha256 = "1nzhl1y6avfl77fyqwjwy3qc6679gp92k0d3aarscrdydcml5yid";
+  #     };
+  #     version = "5.10.239";
+  #     modDirVersion = "5.10.239";
+  #     };
+  # });
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_5_10;
+  # overlay = self: super: {
+    # linuxPackages_5_4 = super.linuxPackages_5_4 // { inherit i40e; };
+  # };
+}
+
diff --git a/ekman/c0/nodes.nix b/ekman/c0/nodes.nix
new file mode 100644
index 0000000..44cc1bc
--- /dev/null
+++ b/ekman/c0/nodes.nix
@@ -0,0 +1,11 @@
+with builtins;
+let
+  nodes = genList (n: n + 1) 16; in
+map (n: (
+  rec {
+    idx = 100 + n;
+    name = "c0-${toString n}";
+    address = "10.255.241.${toString idx}";
+    ipoib = "10.255.243.${toString idx}";
+    pubkey = ./. +  "/ssh_host_key.d/c0-${toString n}.pub";
+  })) nodes
diff --git a/ekman/c0/ssh_host_key.d/c0-1.pub b/ekman/c0/ssh_host_key.d/c0-1.pub
new file mode 100644
index 0000000..ae87018
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-1.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-10.pub b/ekman/c0/ssh_host_key.d/c0-10.pub
new file mode 100644
index 0000000..10f0c64
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-10.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-11.pub b/ekman/c0/ssh_host_key.d/c0-11.pub
new file mode 100644
index 0000000..dc6705c
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-11.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-12.pub b/ekman/c0/ssh_host_key.d/c0-12.pub
new file mode 100644
index 0000000..0808800
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-12.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-13.pub b/ekman/c0/ssh_host_key.d/c0-13.pub
new file mode 100644
index 0000000..8ba0eb6
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-13.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-14.pub b/ekman/c0/ssh_host_key.d/c0-14.pub
new file mode 100644
index 0000000..cef05ba
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-14.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-15.pub b/ekman/c0/ssh_host_key.d/c0-15.pub
new file mode 100644
index 0000000..b012c4e
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-15.pub
@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQC+VIsgEyusSjMuU26gQAYNoWs9iC1ErHVjmZNpbtzZ5IlR4RdsmsStf1QZUSG5FJRA2pMOaZD0QUOFI4t4k4VWsYwVXhgkcjF1u0+nlc8XMSihmIHsNPZNYBVRyuL4shegjezKn4EZoHn41UxAcpWAg9XDIRsENAm1G8RcPqwmhrLg4KpC482iuqJT+GavdEcV5rT0O3wCeq0EyFpyd8wX3JARKiyBA5HjyiVzJTeycda3ffudwDmsym4JQeYHretj5REc1Wn4qOVrn6m/L5K7ttysTXvF3aQOegxkOfFhFvqPYJm/I0J5e2U4yRbwaaTyG2acfdIFLu/wwJUEjN7iQ9pj+uCRqfPEtZj1xe6CxXYBQk932gq2H+Y9QsC898Ubq1G9js+AaT3vSIUenGzhGYZl4VIVWjN6h5JvyxAUAbhBSD3zvV1bx/vv1k4e9l7vk3HyZncEZyL81gIB49VKUkWtef9Z/+5778xFjYrz5ykqdkCZEPa6IpphQz9P59MB64rqfK6VNLHN0LwiGxaLP+ctnx6FLXxVYgUtGQS4bbzPhYsqht1FXx3DIecGye4M2l2MorWvaycmwIp0B+OV6sOdcUc/o13ahFour3764lK7C/fYFe2pwRe5UleJEOd+j8lI8ImLgwM9Aclie4v3mjAOAmaxW1m668X9dOtuyQ== root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-16.pub b/ekman/c0/ssh_host_key.d/c0-16.pub
new file mode 100644
index 0000000..228f083
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-16.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-2.pub b/ekman/c0/ssh_host_key.d/c0-2.pub
new file mode 100644
index 0000000..2822ed3
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-2.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-3.pub b/ekman/c0/ssh_host_key.d/c0-3.pub
new file mode 100644
index 0000000..76387a8
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-3.pub
@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQC+rokHymxlz8S5jYU6Vamp1TVX+M/rAHGflMWwpAYND7WSt1LkCICHbgAWx9lCXGDEidMuajENtu62tW2zar3cXRrk/p5SdwCb+NiztQ4uGTzGIMxYA52Cjy6KyMi7pG9C6/91WyHFy9aKPFjbA1c2FPgf7eqIYg9B3uBu75yCWCuZ3ZRs+al3R8Tbqo4J7sSanxWRpdc0t7eU0U/rMeTi41SXmNF82smHaQ7iOnWajHAWwybmNpWQkiFpvyahzct0No606oODFl/SttI8R9CCJpvlEeT/Q+nj0hgMciw3J604EJaaLgaYfUcJg/V4F3fe8eGDiOzBYBYrYguNv/XVUW0llP2K+SG0zi/3luQTMghpd+fsGr49cdwFrJWXJhqvE2O5QlQ3mWw+pwlUY7Qgs2usGbQK04VGpJlFiSkso4pythuNMFB37YZoA57+RozsjpeiVmL37xcq6jfsd7ljvjbUICCGLaaJN7p1c3OQSw1pma1R3G14FvefhUQe+F2DLyLfvFq476KN0TSUU42tw9iKfCbP3geZp7UkqpyONerViP9VOa4CQclyuaZ5Yg1x4v7zmfQ6J8J1+sqSwEUe7UnaPuKM2XklViT0AUy33EKIkzGe91aBOwcQMaA7fYHYf1Jvf5lYI5MiA56hkV8f9KVZsKGD9advK+WnsdyUCQ== root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-4.pub b/ekman/c0/ssh_host_key.d/c0-4.pub
new file mode 100644
index 0000000..be54298
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-4.pub
@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQCmlNP7HKPGYtciCLRL6KyPs1JPF/ehYWuMmeiJrVxdq3YSrfAddB/6cdHMOw/RLukdyLdIwvRfGhy6QZq9BbKBFSJKypBGNe3KTTT7zd/qxNKEbQhJ8m43NtBbOUHBPQ49zE2eunGwMYKL2EW/7ndbtzQOTTrpuZTsGXB6W6Rn/ZnYZC9wXmOyn5XJKleOhAlor0wIyORdAPwdY0s9LdJ6lJUCUqxstFecuqIsgnaMUBbzyTl09e2RbtMduEjRH/B7CHBxj8P4oVlBGTVStOAeeqMudrJeXvRssMB1BX9Tu92CVYnr2FsUazJ+s1R0dHqdXFuWuR2oddw3y1Et0RyAoNmgiku+ZwIbqousNZx8UxrGlMII1fi8RdNqmMZE+8LhC3yhztYQloZ8Ak8J8SpQE7av1gvlHKCMD5bxtBD4mNfj3SSdH9TnF8gu1x6zT0A4LdL+PqK6E+2zZlc54DfLT3SwS214kFUtgM4t9VhSC2E+EHGCgZ91U6xmsd4zVGMaGvzRXcyH0rROzCKsP2M6rVssOER1ePXEZUIC+62PC9IY9tM8lFDH2AB/JF/xdLZYtO9pdWG6d6DOKSpiP2qlMILIX9/qivHTCySnyP3lBtJ7THF8zsJ5sTUO53/Grd0mSLSqTm3T12PIwABPWwiEXKMD2pIszUhu44KRAF0sJQ== root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-5.pub b/ekman/c0/ssh_host_key.d/c0-5.pub
new file mode 100644
index 0000000..2b8a282
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-5.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-6.pub b/ekman/c0/ssh_host_key.d/c0-6.pub
new file mode 100644
index 0000000..9c86b14
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-6.pub
@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQDBcImgez4RkX1TuqDTk/AUugMqSfsIjdWmEyJRgGw0ZqYSiz9R0yHVM9E6tFIXkGw73RsF1qVQorcw3ZRrxiYLtJHRyBnX0/6IHFwT5w1TezH7LMJmId3ys+LEcpqnCdVaPo2RVsq3RJhnM4dImVC36UUJj8TiOzhZ03lTP7TCPABxvwzn//+T5EjyKuK7acFU4ts4ii7B28dWErCVjsq29uWxKXopfER+45DjhiilQgJ5R15voBNvvFCR4bfnVrsyBwHXXRohAOU1yJYpsUDkXMDY2DIG41LqpP8lg8IyPF36Vwt4w8vmK6rpxBvy4SKg4TIoxUK3eqODnrgN15/2yDTRWWF8u6rpEopWRQEUlKqZvHnXFWuSN5TGUBeOrjqom92udfGrW0l6Yn6iUEt2n+OkPxRuDAGGwjRf4oV2RSqbhbIKfctJg0b+8VhrecNow2zyNlRvfLiQvKotQEDolvfnOYyIWujsjUWttl5a0eoJBm40QgNvWHJWfuaheMhVfEWcfoqgkvZDfBeE11Z/1eogCXMWELJaX/gevE7I+0veu8myzmRwXQOEbk+Ya8tVCSm6YrZjp7flUDRNMW9bZswEdS/ZjvIlK5RgDCAakBoU4MY/PZipYujFoT4AQTNiV3AfuakktXY8dORUHDOcD8zmdbE6B/6t7d1SrHIOow== root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-7.pub b/ekman/c0/ssh_host_key.d/c0-7.pub
new file mode 100644
index 0000000..62a162b
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-7.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-8.pub b/ekman/c0/ssh_host_key.d/c0-8.pub
new file mode 100644
index 0000000..903cde8
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-8.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0/ssh_host_key.d/c0-9.pub b/ekman/c0/ssh_host_key.d/c0-9.pub
new file mode 100644
index 0000000..2a2edd6
--- /dev/null
+++ b/ekman/c0/ssh_host_key.d/c0-9.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0x/connauthfile b/ekman/c0x/connauthfile
new file mode 100644
index 0000000..37cd965
--- /dev/null
+++ b/ekman/c0x/connauthfile
@@ -0,0 +1 @@
+äˇq‹u
\ No newline at end of file
diff --git a/ekman/c0x/default.nix b/ekman/c0x/default.nix
new file mode 100644
index 0000000..c266fcb
--- /dev/null
+++ b/ekman/c0x/default.nix
@@ -0,0 +1,108 @@
+{ pkgs ? import <nixpkgs> {} }:
+let
+  # Pin the deployment package-set to a specific version of nixpkgs
+  # pkgs = import (builtins.fetchTarball {
+  #   url = "https://github.com/NixOS/nixpkgs/archive/e6377ff35544226392b49fa2cf05590f9f0c4b43.tar.gz";
+  #   sha256 = "1fra9wwy5gvj5ibayqkzqpwdf715bggc0qbmrfch4fghwvl5m70l";
+  # }) {};
+  # pkgs = import <nixpkgs> {};
+
+  nodes = import ./nodes.nix;
+
+  compute = {
+    deployment.tags = [ "compute" "c0" ];
+
+    fileSystems = {
+      "/frontend" = {
+        device = "10.255.241.100:/home";
+        fsType = "nfs4";
+        options = [
+          "soft"
+          "defaults"
+          "noauto"
+          "x-systemd.automount"
+        ];
+      };
+    };
+
+    systemd.automounts = [
+      {
+        where = "/frontend";
+        wantedBy = [ "default.target" ];
+      }
+    ];
+  };
+
+  mkCompute = host:
+  let
+    hw = ./hardware-configuration.d + "/${host.name}.nix";
+  in {
+    "${host.name}" = {
+      cluster = {
+        compute = true;
+        k8sNode = true;
+        mounts = {
+          rdma.enable = true;
+          automount.enable = true;
+          home = false;
+          opt = true;
+          work = true;
+          data = true;
+          backup = true;
+          ceph = false;
+        };
+      };
+
+      features = {
+        host = {
+          name = host.name;
+          address = host.address;
+        };
+        os.externalInterface = "enp33s0f0np0";
+        hpc.compute = true;
+        hpc.knem = true;
+        # k8s = { inherit etcdCluster; };
+      };
+
+      deployment.targetHost = host.address;
+
+      # services.udev.extraRules = ''
+      #   KERNEL=="ibp1s0", SUBSYSTEM=="net", ATTR{create_child}:="0x7666"
+      # '';
+
+      networking = {
+        hostName = host.name;
+        useDHCP = false;
+        interfaces.enp33s0f3np3 = {
+          useDHCP = false;
+          ipv4.addresses = [ {
+            address = host.address;
+            prefixLength = 24;
+          } ];
+          ipv4.routes = [ {
+            address = "10.255.242.0";
+            prefixLength = 24;
+            via = "10.255.241.100";
+          } ];
+
+        };
+        # interfaces."ibp1s0.7666" = {
+        interfaces."ibp1s0" = {
+          useDHCP = false;
+          ipv4.addresses = [ {
+            address = host.ipoib;
+            prefixLength = 24;
+          } ];
+        };
+      };
+      imports = [
+          hw
+          ../cluster.nix
+          ../mounts.nix
+          # ./kernel.nix
+      ];
+    }
+    // compute;
+};
+in builtins.foldl' (a: n: a // mkCompute n) {} nodes
+
diff --git a/ekman/c0x/hardware-configuration.d/c0-17.nix b/ekman/c0x/hardware-configuration.d/c0-17.nix
new file mode 100644
index 0000000..56810a6
--- /dev/null
+++ b/ekman/c0x/hardware-configuration.d/c0-17.nix
@@ -0,0 +1,55 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "megaraid_sas" "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/46dfa481-ccd4-4e4f-b1d7-6875d582f7cd";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/F71C-0BD2";
+      fsType = "vfat";
+    };
+
+#  fileSystems."/data" =
+#    { device = "/dev/disk/by-uuid/125c5d04-5266-43e8-887d-740d5944cb2b";
+#      fsType = "xfs";
+#      options = [
+#        "noatime"
+#        "nodiratime"
+#        "logbufs=7"
+#        "logbsize=255k"
+#        "largeio"
+#        "inode63"
+#        "swalloc"
+#        "allocsize=131071k"
+#      ];
+#    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.docker0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0f0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0f1np1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0f2np2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0f3np3.useDHCP = lib.mkDefault true;
+
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0x/hardware-configuration.d/c0-18.nix b/ekman/c0x/hardware-configuration.d/c0-18.nix
new file mode 100644
index 0000000..ca38d73
--- /dev/null
+++ b/ekman/c0x/hardware-configuration.d/c0-18.nix
@@ -0,0 +1,44 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "megaraid_sas" "xhci_pci" "ahci" "sd_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/19d00648-5fbd-4464-93a0-e013d7f79d3a";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/68AF-2717";
+      fsType = "vfat";
+    };
+
+  fileSystems."/tmp" =
+    { device = "/dev/disk/by-uuid/bf1bede5-bc60-4603-874c-88ed85e6ab5f";
+      fsType = "ext4";
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0f0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0f1np1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0f2np2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp33s0f3np3.useDHCP = lib.mkDefault true;
+
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/c0x/kernel.nix b/ekman/c0x/kernel.nix
new file mode 100644
index 0000000..17b55e4
--- /dev/null
+++ b/ekman/c0x/kernel.nix
@@ -0,0 +1,48 @@
+{pkgs, lib, ...}:
+let
+  kernel = pkgs.linuxPackages.kernel;
+  i40e =
+    pkgs.stdenv.mkDerivation rec {
+      name = "i40e-${version}-${kernel.version}";
+      version = "2.13.10";
+
+      src = pkgs.fetchFromGitHub {
+        owner = "dmarion";
+        repo = "i40e";
+        rev = "7228a7c3b362c3170baa2f9a9c6870a900e78dbd";
+        sha256 = "087kvq9wrc1iw6vig8cqcx7cb6346wx8qxzb85c3n8638vq1vrxr";
+      };
+
+      hardeningDisable = [ "pic" ];
+
+      configurePhase = ''
+        cd src
+        kernel_version=${kernel.modDirVersion}
+        sed -i -e 's|/lib/modules|${kernel.dev}/lib/modules|' Makefile
+        sed -i -e 's|/lib/modules|${kernel.dev}/lib/modules|' common.mk
+        export makeFlags="BUILD_KERNEL=$kernel_version"
+      '';
+
+      installPhase = ''
+        install -v -D -m 644 i40e.ko "$out/lib/modules/$kernel_version/kernel/drivers/net/i40e/i40e2.ko"
+      '';
+
+      dontStrip = true;
+
+      enableParallelBuilding = true;
+
+      meta = {
+        description = "Linux kernel drivers for Intel Ethernet adapters and LOMs (LAN On Motherboard)";
+        homepage = https://github.com/dmarion/i40e;
+        license = lib.licenses.gpl2;
+      };
+    };
+in
+{
+  # i40e2 = i40e;
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_5_10;
+  # overlay = self: super: {
+    # linuxPackages_5_4 = super.linuxPackages_5_4 // { inherit i40e; };
+  # };
+}
+
diff --git a/ekman/c0x/nodes.nix b/ekman/c0x/nodes.nix
new file mode 100644
index 0000000..fc6f251
--- /dev/null
+++ b/ekman/c0x/nodes.nix
@@ -0,0 +1,11 @@
+with builtins;
+let
+  nodes = genList (n: n + 17) 2; in
+map (n: (
+  rec {
+    idx = 100 + n;
+    name = "c0-${toString n}";
+    address = "10.255.241.${toString idx}";
+    ipoib = "10.255.243.${toString idx}";
+    pubkey = ./. +  "/ssh_host_key.d/c0-${toString n}.pub";
+  })) nodes
diff --git a/ekman/c0x/ssh_host_key.d/c0-17.pub b/ekman/c0x/ssh_host_key.d/c0-17.pub
new file mode 100644
index 0000000..8fa4abf
--- /dev/null
+++ b/ekman/c0x/ssh_host_key.d/c0-17.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/c0x/ssh_host_key.d/c0-18.pub b/ekman/c0x/ssh_host_key.d/c0-18.pub
new file mode 100644
index 0000000..908bab9
--- /dev/null
+++ b/ekman/c0x/ssh_host_key.d/c0-18.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nfs1
diff --git a/ekman/c1/connauthfile b/ekman/c1/connauthfile
new file mode 100644
index 0000000..37cd965
--- /dev/null
+++ b/ekman/c1/connauthfile
@@ -0,0 +1 @@
+äˇq‹u
\ No newline at end of file
diff --git a/ekman/c1/default.nix b/ekman/c1/default.nix
new file mode 100644
index 0000000..85891ea
--- /dev/null
+++ b/ekman/c1/default.nix
@@ -0,0 +1,119 @@
+{ pkgs ? import <nixpkgs> {} }:
+let
+  # Pin the deployment package-set to a specific version of nixpkgs
+  # pkgs = import (builtins.fetchTarball {
+  #   url = "https://github.com/NixOS/nixpkgs/archive/e6377ff35544226392b49fa2cf05590f9f0c4b43.tar.gz";
+  #   sha256 = "1fra9wwy5gvj5ibayqkzqpwdf715bggc0qbmrfch4fghwvl5m70l";
+  # }) {};
+  # pkgs = import <nixpkgs> {};
+
+  nodes = import ./nodes.nix;
+  compute = {
+    deployment.tags = [ "compute" "c1" ];
+
+    systemd.automounts = [
+      {
+        where = "/frontend";
+        wantedBy = [ "default.target" ];
+      }
+    ];
+  };
+
+  mkCompute = host:
+  let
+    hw = ./hardware-configuration.d + "/${host.name}.nix";
+  in {
+    "${host.name}" = {
+      cluster = {
+        compute = true;
+        k8sNode = true;
+        mounts = {
+          rdma.enable = false;
+          gbe100.enable = true;
+          automount.enable = true;
+          home = true;
+          opt = true;
+          work = true;
+          data = false;
+          backup = false;
+          ceph = true;
+        };
+      };
+
+      features = {
+        host = {
+          name = host.name;
+          address = host.address;
+        };
+        os.externalInterface = "eno33np0";
+        hpc.compute = true;
+        # k8s = { inherit etcdCluster; };
+      };
+
+      deployment.targetHost = host.target;
+
+      # services.udev.extraRules = ''
+      #   KERNEL=="ibp1s0", SUBSYSTEM=="net", ATTR{create_child}:="0x7666"
+      # '';
+
+      # boot.kernel.sysctl = {
+      #    "net.ipv4.tcp_timestamps" = 0;
+      #    "net.ipv4.tcp_sack" = 1;
+      #    "net.core.netdev_max_backlog" = 250000;
+      #    "net.core.rmem_max" = 4194304;
+      #    "net.core.wmem_max" = 4194304;
+      #    "net.core.rmem_default" = 4194304;
+      #    "net.core.wmem_default" = 4194304;
+      #    "net.core.optmem_max" = 4194304;
+      #    "net.ipv4.tcp_rmem" = "4096 87380 4194304";
+      #    "net.ipv4.tcp_wmem" = "4096 65536 4194304";
+      #    "net.ipv4.tcp_low_latency" = 1;
+      #    "net.ipv4.tcp_adv_win_scale" = 1;
+      # };
+
+      networking = {
+        hostName = host.name;
+        useDHCP = false;
+        interfaces.eno33np0 = {
+          useDHCP = false;
+          ipv4.addresses = [ {
+            address = host.address;
+            prefixLength = 24;
+          } ];
+          ipv4.routes = [ {
+            address = "10.255.242.0";
+            prefixLength = 24;
+            via = "10.255.241.100";
+          } ];
+
+        };
+        # interfaces.ibp65s0 = {
+        #   useDHCP = false;
+        #   ipv4.addresses = [ {
+        #     address = host.ipoib;
+        #     prefixLength = 24;
+        #   } ];
+        # };
+        interfaces.enp65s0np0 = {
+          useDHCP = false;
+          ipv4.addresses = [ {
+            address = host.gbe100;
+            prefixLength = 24;
+          } ];
+        };
+        # firewall.extraCommands =
+          # if host.name == "c1-1" then ''
+          #   iptables -t nat -A POSTROUTING -d 10.255.244.0/24 -j MASQUERADE
+          # ''
+          # else "";
+      };
+      imports = [
+          hw
+          ../cluster.nix
+          ../mounts.nix
+      ];
+    }
+    // compute;
+};
+in builtins.foldl' (a: n: a // mkCompute n) {} nodes
+
diff --git a/ekman/c1/hardware-configuration.d/c1-1.nix b/ekman/c1/hardware-configuration.d/c1-1.nix
new file mode 100644
index 0000000..c97bce4
--- /dev/null
+++ b/ekman/c1/hardware-configuration.d/c1-1.nix
@@ -0,0 +1,29 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+  # boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_7;
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/d89e1496-fda1-4de0-b2cc-474967b04402";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/A51A-1F4D";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+}
diff --git a/ekman/c1/hardware-configuration.d/c1-2.nix b/ekman/c1/hardware-configuration.d/c1-2.nix
new file mode 100644
index 0000000..c34903f
--- /dev/null
+++ b/ekman/c1/hardware-configuration.d/c1-2.nix
@@ -0,0 +1,28 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/f0826ad5-8a4e-427d-98d3-5afa44440993";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/21A6-D34C";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+}
diff --git a/ekman/c1/hardware-configuration.d/c1-3.nix b/ekman/c1/hardware-configuration.d/c1-3.nix
new file mode 100644
index 0000000..0179b2c
--- /dev/null
+++ b/ekman/c1/hardware-configuration.d/c1-3.nix
@@ -0,0 +1,28 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/3af91585-8079-420d-acdf-f60b94d3cfff";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/3590-199A";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+}
diff --git a/ekman/c1/hardware-configuration.d/c1-4.nix b/ekman/c1/hardware-configuration.d/c1-4.nix
new file mode 100644
index 0000000..c98b526
--- /dev/null
+++ b/ekman/c1/hardware-configuration.d/c1-4.nix
@@ -0,0 +1,28 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/84cc9cea-08eb-4b54-8ca3-2aa5c1300a92";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/882D-A342";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+}
diff --git a/ekman/c1/hardware-configuration.d/c1-5.nix b/ekman/c1/hardware-configuration.d/c1-5.nix
new file mode 100644
index 0000000..ada6f39
--- /dev/null
+++ b/ekman/c1/hardware-configuration.d/c1-5.nix
@@ -0,0 +1,28 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/d23386a8-0ca8-4871-b662-decf2b24f4d7";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/AF8A-DEFE";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+}
diff --git a/ekman/c1/hardware-configuration.d/c1-6.nix b/ekman/c1/hardware-configuration.d/c1-6.nix
new file mode 100644
index 0000000..d4dedcc
--- /dev/null
+++ b/ekman/c1/hardware-configuration.d/c1-6.nix
@@ -0,0 +1,28 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/2f468316-5832-4684-866d-2e92b08fb68b";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/76FE-F657";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+}
diff --git a/ekman/c1/hardware-configuration.d/c1-7.nix b/ekman/c1/hardware-configuration.d/c1-7.nix
new file mode 100644
index 0000000..43ad87f
--- /dev/null
+++ b/ekman/c1/hardware-configuration.d/c1-7.nix
@@ -0,0 +1,28 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/37944fce-07ca-492f-906a-620a37e7e1b3";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/2F51-EC20";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+}
diff --git a/ekman/c1/hardware-configuration.d/c1-8.nix b/ekman/c1/hardware-configuration.d/c1-8.nix
new file mode 100644
index 0000000..54107e3
--- /dev/null
+++ b/ekman/c1/hardware-configuration.d/c1-8.nix
@@ -0,0 +1,28 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/12477966-c6c5-47c6-afdc-35fa7e57e837";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/DB96-7453";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+}
diff --git a/ekman/c1/kernel.nix b/ekman/c1/kernel.nix
new file mode 100644
index 0000000..750da0d
--- /dev/null
+++ b/ekman/c1/kernel.nix
@@ -0,0 +1,46 @@
+{pkgs, lib, stdenv, fetchurl, config, kernel ? pkgs.linux, ...}:
+let
+  i40e =
+    stdenv.mkDerivation rec {
+      name = "i40e-${version}-${kernel.version}";
+      version = "2.13.10";
+
+      src = pkgs.fetchFromGitHub {
+        owner = "dmarion";
+        repo = "i40e";
+        rev = "7228a7c3b362c3170baa2f9a9c6870a900e78dbd";
+        sha256 = "087kvq9wrc1iw6vig8cqcx7cb6346wx8qxzb85c3n8638vq1vrxr";
+      };
+
+      hardeningDisable = [ "pic" ];
+
+      configurePhase = ''
+        cd src
+        kernel_version=${kernel.modDirVersion}
+        sed -i -e 's|/lib/modules|${kernel.dev}/lib/modules|' Makefile
+        sed -i -e 's|/lib/modules|${kernel.dev}/lib/modules|' common.mk
+        export makeFlags="BUILD_KERNEL=$kernel_version"
+      '';
+
+      installPhase = ''
+        install -v -D -m 644 i40e.ko "$out/lib/modules/$kernel_version/kernel/drivers/net/i40e/i40e2.ko"
+      '';
+
+      dontStrip = true;
+
+      enableParallelBuilding = true;
+
+      meta = {
+        description = "Linux kernel drivers for Intel Ethernet adapters and LOMs (LAN On Motherboard)";
+        homepage = https://github.com/dmarion/i40e;
+        license = lib.licenses.gpl2;
+      };
+    };
+in
+{
+  i40e2 = i40e;
+  overlay = self: super: {
+    # linuxPackages_5_4 = super.linuxPackages_5_4 // { inherit i40e; };
+  };
+}
+
diff --git a/ekman/c1/nodes.nix b/ekman/c1/nodes.nix
new file mode 100644
index 0000000..d499461
--- /dev/null
+++ b/ekman/c1/nodes.nix
@@ -0,0 +1,12 @@
+with builtins;
+let nodes = genList (n: n + 1) 8; in
+map (n: (
+  rec {
+    idx = 120 + n;
+    name = "c1-${toString n}";
+    target = "10.255.241.${toString (idx + 100)}";
+    address = "10.255.241.${toString idx}";
+    ipoib = "10.255.243.${toString idx}";
+    gbe100 = "10.255.244.${toString idx}";
+    pubkey = ./. +  "/ssh_host_key.d/c1-${toString n}.pub";
+  })) nodes
diff --git a/ekman/c1/ssh_host_key.d/c1-1.pub b/ekman/c1/ssh_host_key.d/c1-1.pub
new file mode 100644
index 0000000..c09679b
--- /dev/null
+++ b/ekman/c1/ssh_host_key.d/c1-1.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBEV8wEkeGUOs6umhdeOKYnVlYlta2rOCZSoezvu+bZ4 root@nixos
diff --git a/ekman/c1/ssh_host_key.d/c1-2.pub b/ekman/c1/ssh_host_key.d/c1-2.pub
new file mode 100644
index 0000000..df6aaee
--- /dev/null
+++ b/ekman/c1/ssh_host_key.d/c1-2.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDIsqJqWWftoiyiOOHnIuHYqbsaOg4AbKNm80wpjH2E8 root@nixos
diff --git a/ekman/c1/ssh_host_key.d/c1-3.pub b/ekman/c1/ssh_host_key.d/c1-3.pub
new file mode 100644
index 0000000..1351c52
--- /dev/null
+++ b/ekman/c1/ssh_host_key.d/c1-3.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEwwu4RJJhKo8s2Mtmpdvxs02d4IwrmS9cTpfAOQ2YkI root@nixos
diff --git a/ekman/c1/ssh_host_key.d/c1-4.pub b/ekman/c1/ssh_host_key.d/c1-4.pub
new file mode 100644
index 0000000..0c58f4b
--- /dev/null
+++ b/ekman/c1/ssh_host_key.d/c1-4.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINQFQqo2vcj2eYaH7nwdEzgCPme+7g3Db+s16KbQHzLI root@nixos
diff --git a/ekman/c1/ssh_host_key.d/c1-5.pub b/ekman/c1/ssh_host_key.d/c1-5.pub
new file mode 100644
index 0000000..b64a074
--- /dev/null
+++ b/ekman/c1/ssh_host_key.d/c1-5.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIImItUKMSygMY/1ZNsyGkyfywyngEDgZ7TxM63UwG1VH root@nixos
diff --git a/ekman/c1/ssh_host_key.d/c1-6.pub b/ekman/c1/ssh_host_key.d/c1-6.pub
new file mode 100644
index 0000000..5c92679
--- /dev/null
+++ b/ekman/c1/ssh_host_key.d/c1-6.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBq+v2bBhQieqfXmtmGYb/9mOv9oc88zerRkkpGpoc0x root@nixos
diff --git a/ekman/c1/ssh_host_key.d/c1-7.pub b/ekman/c1/ssh_host_key.d/c1-7.pub
new file mode 100644
index 0000000..c746bf4
--- /dev/null
+++ b/ekman/c1/ssh_host_key.d/c1-7.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDme/xztp22wQOybtN2TVXMcn2QcVaXtRMp4AnPnzr2T root@nixos
diff --git a/ekman/c1/ssh_host_key.d/c1-8.pub b/ekman/c1/ssh_host_key.d/c1-8.pub
new file mode 100644
index 0000000..1111820
--- /dev/null
+++ b/ekman/c1/ssh_host_key.d/c1-8.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAID1WxWnNg+L2+lQ3W2mD0/6kqwuCUOEJImvWnQYLzdUB root@nixos
diff --git a/ekman/default.nix b/ekman/default.nix
new file mode 100644
index 0000000..a322082
--- /dev/null
+++ b/ekman/default.nix
@@ -0,0 +1,370 @@
+{ pkgs, lib, config, ... }:
+with lib;
+let
+  cfg = config.features.host;
+
+  computeNodes = import ./c0/nodes.nix;
+
+  mkSANs = host: [
+    host.name
+    host.address
+    "127.0.0.1"
+  ];
+
+  configuration = {
+    system.autoUpgrade.enable = lib.mkForce false;
+
+    nixpkgs.overlays = [
+      (import ./overlays.nix)
+      (import ../modules/overrides/certmgr.nix)
+    ];
+
+    boot = {
+      loader.systemd-boot.enable = true;
+      loader.efi.canTouchEfiVariables = true;
+      # kernelPackages = pkgs.linuxKernel.packages.linux_6_9;
+      kernelModules = [ "ib_umad" "ib_ipoib" "ceph" ];
+      # kernelParams = [
+      #   "console=ttyS0,115200"
+      #   "console=tty0"
+      # ];
+    };
+
+    console = {
+      font = "Lat2-Terminus16";
+      keyMap = "us";
+    };
+
+    i18n = {
+      defaultLocale = "en_US.UTF-8";
+      extraLocaleSettings = {
+          LC_CTYPE="en_DK.UTF-8";
+          LC_TIME="en_DK.UTF-8";
+          LC_PAPER="en_DK.UTF-8";
+          LC_NAME="en_DK.UTF-8";
+          LC_ADDRESS="en_DK.UTF-8";
+          LC_TELEPHONE="en_DK.UTF-8";
+          LC_MEASUREMENT="en_DK.UTF-8";
+          LC_IDENTIFICATION="en_DK.UTF-8";
+      };
+    };
+
+    time.timeZone = "Europe/Oslo";
+
+#    programs.msmtp = {
+#      enable = false;
+#      accounts = {
+#        default = {
+#          auth = false;
+#          tls = false;
+#          tls_starttls = false;
+#          port = 24;
+#          from = "rossby@oceanbox.io";
+#          host = "smtpgw.itpartner.no";
+#          # user = "utvikling";
+#          # password = "S0m3rp0m@de#21!";
+#        };
+#      };
+#      defaults = {
+#        aliases = "/etc/aliases";
+#      };
+#    };
+
+    environment.etc = {
+      "aliases" = {
+        text = ''
+          root: jonas.juselius@oceanbox.io
+        '';
+        mode = "0644";
+      };
+    };
+
+    features = {
+      os = {
+        # boot.uefi = true;
+        adminAuthorizedKeys = [
+          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKiAS30ZO+wgfAqDE9Y7VhRunn2QszPHA5voUwo+fGOf jonas"
+          "ssh-rsa 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 jonas.juselius@juselius.io"
+          "ssh-rsa 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 Simen Kirkvik"
+          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHVwcJOtx9YTWy+aD4xGbyPFLOdMN6NqY8wcfDtHczyT Stig Rune Jensen"
+          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKfgY468dPNpdXZCkD9jw1p2qA0+z56Wi/c1VYE+riki Stig Rune Jensen"
+          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII77Aa2MFZMTha8PdkNg32UR8y6Hwb4R0aR9Ad9qifNq mrtz@wurst"
+        ];
+        docker.enable = false;
+      };
+      cachix.enable = false;
+      monitoring.nodeExporter.enable = false;
+      hpc.mft.enable = false; # Mellanox MFT
+    };
+
+    networking = {
+      domain = mkDefault "cluster.local";
+<<<<<<<< HEAD:rossby/default.nix
+      defaultGateway = mkDefault "172.16.239.1";
+========
+      defaultGateway = mkDefault "10.255.241.1";
+>>>>>>>> ekman:ekman/default.nix
+      nameservers = mkDefault [ "8.8.8.8" ];
+      search = mkDefault [];
+      extraHosts = import ./hosts.nix;
+      firewall.extraCommands = ''
+        iptables -I INPUT -s 172.16.239.0/24 -j ACCEPT
+        iptables -I INPUT -s 172.16.240.0/24 -j ACCEPT
+      '';
+    };
+
+    environment.variables = {};
+
+    # systemd.services."serial-getty@ttyS0".enable = true;
+
+    # environment.etc."beegfs/connauthfile" = {
+    #     source = ./connauthfile;
+    #     mode = "0400";
+    #     uid = 0;
+    #     gid = 0;
+    #   };
+
+    services.certmgr.validMin = "120h";
+    services.certmgr.renewInterval = "30m";
+
+    nix.settings = {
+      max-jobs = 32;
+      trusted-users = [ "@wheel" ];
+      substituters = [
+      ];
+    };
+
+    system.activationScripts = {
+        kraken-permissions.text = ''
+            chmod 755 /work/kraken
+        '';
+    };
+  };
+
+  slurm = {
+    features.hpc.slurm = {
+        enable = true;
+        client = true;
+        mungeKey = ./munge.key;
+        mungeUid = mkDefault 994; # hack
+        # pkey = "0x7666";
+<<<<<<<< HEAD:rossby/default.nix
+        controlMachine = "rossby-manage";
+        mailDomain = "oceanbox.io";
+        nodeName = [
+          "c0-[1-16] Sockets=2 CoresPerSocket=64 ThreadsPerCore=1 RealMemory=256000 TmpDisk=500000 State=UNKNOWN"
+          "rossby-login Sockets=2 CoresPerSocket=64 ThreadsPerCore=1 RealMemory=256000 TmpDisk=500000 State=UNKNOWN"
+          "rossby-manage Sockets=2 CoresPerSocket=64 ThreadsPerCore=1 RealMemory=256000 TmpDisk=500000 State=UNKNOWN"
+========
+        controlMachine = "ekman-manage";
+        mailDomain = "oceanbox.io";
+        nodeName = [
+          "c0-[1-18] Sockets=2 CoresPerSocket=64 ThreadsPerCore=1 RealMemory=256000 TmpDisk=500000 State=UNKNOWN"
+          "c1-[1-8] Sockets=1 CoresPerSocket=64 ThreadsPerCore=1 RealMemory=256000 TmpDisk=100000 State=UNKNOWN"
+          "ekman Sockets=2 CoresPerSocket=64 ThreadsPerCore=2 RealMemory=256000 TmpDisk=500000 State=UNKNOWN"
+          "ekman-manage Sockets=2 CoresPerSocket=16 ThreadsPerCore=2 RealMemory=92000 TmpDisk=200000 State=UNKNOWN"
+>>>>>>>> ekman:ekman/default.nix
+        ];
+        partitionName = [
+          "batch Nodes=c0-[1-16] Default=YES MaxTime=INFINITE State=UP"
+          "rossby Nodes=rossby-login MaxTime=1:00:00 State=UP"
+          "short Nodes=c0-[1-8] MaxTime=INFINITE State=UP"
+          "long Nodes=c0-[3-8] MaxTime=INFINITE State=UP"
+          "stats Nodes=c0-[7-8] MaxTime=INFINITE State=UP"
+        ];
+    };
+  };
+
+  compute = {
+    system.activationScripts = {
+        mkWorkDir.text = "mkdir -p /work";
+    };
+
+    cluster.slurm = true;
+
+    features = {
+      hpc = {
+        enable = true;
+        beegfs = {
+          enable = false;
+          # beegfs = {
+          #   work = {
+          #     mgmtdHost = "ibbeegfs0";
+          #     connAuthFile = "/etc/beegfs/connauthfile";
+          #     client = {
+          #       enable = false;
+          #       mountPoint = "/work";
+          #     };
+          #   };
+          # };
+        };
+      };
+    };
+  };
+
+  k8s-node = {
+    features = {
+      k8s = {
+        enable = true;
+        node.enable = true;
+        clusterName = "rossby";
+        initca = ./ca;
+        cidr = "10.10.0.0/16";
+        master = {
+<<<<<<<< HEAD:rossby/default.nix
+          name = "rossby-manage";
+          address = "172.16.239.221";
+========
+          name = "ekman-manage";
+          address = "10.255.241.99";
+>>>>>>>> ekman:ekman/default.nix
+          # extraSANs = [
+          #     "rossby-manage.oceanbox.io"
+          # ];
+        };
+        ingressNodes = [
+          "rossby-manage.oceanbox.io"
+          "rossby.oceanbox.io"
+        ];
+        fileserver = "rossby-login";
+        charts = {
+          acme_email = "acme@oceanbox.io";
+          # grafana_smtp_user = "utvikling";
+          # grafana_smtp_password = "S0m3rp0m@de#21!";
+        };
+      };
+    };
+
+    system.activationScripts = {
+        copyCaKey.text = "cp ${./ca}/ca-key.pem /var/lib/kubernetes/secrets";
+    };
+
+    # services.kubernetes.kubelet.extraSANs = mkSANs {
+    #   name = cfg.name;
+    #   address = cfg.address;
+    # };
+  };
+
+  shosts = {
+    environment.etc."ssh/shosts.equiv" = {
+      mode = "0644";
+      uid = 0;
+      gid = 0;
+      text = ''
+        172.16.239.210
+      '' + builtins.foldl' (a: x: a + "${x.address}\n") "" computeNodes;
+    };
+
+    programs.ssh.knownHosts = {
+<<<<<<<< HEAD:rossby/default.nix
+      rossby-manage = {
+        hostNames = [
+          "manage" "manage.compute.local" "rossby-manage.oceanbox.io" "172.16.239.221" "172.16.240.221"
+========
+      ekman-manage = {
+        hostNames = [
+          "ekman-manage" "ekman-manage.cluster.local" "frontend.oceanbox.io" "10.255.241.99" "10.255.243.99"
+>>>>>>>> ekman:ekman/default.nix
+        ];
+        publicKeyFile = ./manage/ssh_host_key.pub;
+      };
+      rossby-login = {
+        hostNames = [
+<<<<<<<< HEAD:rossby/default.nix
+          "rossby" "rpssby-login" "rossby-login.compute.local" "rossby.compute.local" "rossby.oceanbox.io" "172.16.239.222" "172.16.240.222"
+        ];
+        publicKeyFile = ./login/ssh_host_key.pub;
+========
+          "ekman" "ekman.cluster.local" "ekman.oceanbox.io" "10.255.241.100" "10.255.243.100"
+        ];
+        publicKeyFile = ./logon/ssh_host_key.pub;
+      };
+      fs-work = {
+        hostNames = [
+          "fs-work" "fs-work.cluster.local" "10.255.241.90" "10.255.243.90"
+        ];
+        publicKeyFile = ./fs-work/ssh_host_key.pub;
+      };
+      fs-backup = {
+        hostNames = [
+          "fs-backup" "fs-backup.cluster.local" "10.255.241.80" "10.255.243.80"
+        ];
+        publicKeyFile = ./fs-backup/ssh_host_key.pub;
+>>>>>>>> ekman:ekman/default.nix
+      };
+      # fs-work = {
+      #   hostNames = [
+      #     "fs-work" "fs-work.compute.local" "172.16.239.90" "172.16.240.210"
+      #   ];
+      #   publicKeyFile = ./fs-work/ssh_host_key.pub;
+      # };
+  } // builtins.foldl' (a: x:
+      let n = toString x.idx;
+      in a // {
+          "${x.name}" = {
+              hostNames = [
+                  "${x.name}"
+<<<<<<<< HEAD:rossby/default.nix
+                  "${x.name}.compute.local"
+                  "172.16.239.${n}"
+                  "172.16.240.${n}"
+========
+                  "${x.name}.cluster.local"
+                  "10.255.241.${n}"
+                  "10.255.243.${n}"
+>>>>>>>> ekman:ekman/default.nix
+              ];
+              publicKeyFile = x.pubkey;
+          };
+        }) {} computeNodes;
+
+    environment.systemPackages = [
+        openssh-shosts
+        pkgs.inotify-tools
+        pkgs.ceph
+        pkgs.ceph-client
+    ];
+
+    security.wrappers = {
+        ssh-keysign = {
+            source = "${openssh-shosts}/libexec/ssh-keysign";
+            owner = "root";
+            group = "root";
+            permissions = "u+rs,g+rx,o+rx";
+        };
+    };
+  };
+
+  openssh-shosts = pkgs.openssh.overrideAttrs (attrs: {
+    buildFlags = [ "SSH_KEYSIGN=/run/wrappers/bin/ssh-keysign" ];
+    doCheck = false; # the tests take hours
+  });
+
+in {
+  options.cluster = {
+    compute = mkEnableOption "Enable compute node configs";
+  };
+
+  options.cluster = {
+    k8sNode = mkEnableOption "Enable k8s node";
+  };
+
+  options.cluster = {
+    slurm = mkEnableOption "Enable slurm";
+  };
+
+  config = mkMerge [
+    configuration
+    shosts
+    (mkIf config.cluster.compute compute)
+    (mkIf config.cluster.k8sNode k8s-node)
+    (mkIf config.cluster.slurm slurm)
+  ];
+
+  imports = [
+    ../modules
+    ../nixos
+    ../users.nix
+  ];
+}
+
diff --git a/ekman/etcdCluster.nix b/ekman/etcdCluster.nix
new file mode 100644
index 0000000..6396472
--- /dev/null
+++ b/ekman/etcdCluster.nix
@@ -0,0 +1,13 @@
+{
+    enable = true;
+    existing = true;
+    nodes =
+      {
+        frontend = "10.255.241.99";
+        fs-work = "10.255.241.90";
+        fs-backup = "10.255.241.80";
+        # ekman = "10.255.241.100";
+      };
+}
+
+
diff --git a/ekman/fs-backup/default.nix b/ekman/fs-backup/default.nix
new file mode 100644
index 0000000..9e8c710
--- /dev/null
+++ b/ekman/fs-backup/default.nix
@@ -0,0 +1,180 @@
+{ pkgs ? import <nixpkgs> {} }:
+let
+  name = "fs-backup";
+  address = "10.255.241.80";
+  etcdCluster = import ../etcdCluster.nix;
+in {
+  fs-backup = { config, pkgs, ... }: with pkgs; {
+    deployment.tags = [ "fs" "fs-backup" ];
+    deployment.targetHost = address;
+    system.autoUpgrade.enable = lib.mkForce false;
+
+    systemd.targets = {
+      sleep.enable = false;
+      suspend.enable = false;
+      hibernate.enable = false;
+      hybrid-sleep.enable = false;
+    };
+
+    # services.udev.extraRules = ''
+    #     KERNEL=="ibp65s0", SUBSYSTEM=="net", ATTR{create_child}:="0x7666"
+    # '';
+
+    environment.systemPackages = with pkgs; [
+        rdma-core
+        hwloc
+        xfsprogs
+    ];
+
+    boot.swraid = {
+        enable = true;
+        mdadmConf = ''
+            DEVICE partitions
+            ARRAY /dev/md/0 metadata=1.2 UUID=b743fdd4:5b339cc7:7c43f50f:3b81243e name=fs2:0
+        '';
+    };
+
+    systemd.services.restart-md0 = {
+        description = "restart /dev/md0";
+        wantedBy = [ "multi-user.target" ];
+        after = [ "sys-devices-virtual-block-md0.device" "-.mount" ];
+        before = [ "backup.mount" ];
+        path = [ "/run/current-system/sw/" ];
+        serviceConfig = {
+          Type = "oneshot";
+        };
+        script = ''
+           restart=0
+           ${util-linux}/bin/lsblk -o MAJ:MIN -n /dev/md0 | grep -q "254:" || restart=1
+           if [ $restart = 1 ]; then
+               ${mdadm}/bin/mdadm --stop /dev/md0
+               ${mdadm}/bin/mdadm --assemble /dev/md0
+               sleep 1
+           fi
+        '';
+    };
+
+    cluster = {
+      k8sNode = true;
+      slurm = false;
+      mounts = {
+        rdma.enable = false;
+        automount.enable = true;
+        home = false;
+        opt = false;
+        work = false;
+        data = false;
+        backup = false;
+        ceph = false;
+      };
+    };
+
+    features.hpc.slurm.mungeUid = 996;
+
+    features = {
+      host = {
+        inherit address;
+        inherit name;
+      };
+
+      os = {
+        externalInterface = "eno1";
+        nfs.enable = true;
+        nfs.exports = ''
+          /exports 10.255.241.0/24(insecure,rw,async,no_subtree_check,crossmnt,fsid=0,no_root_squash)
+          /exports 10.255.243.0/24(insecure,rw,async,no_subtree_check,crossmnt,fsid=0,no_root_squash)
+          /exports 10.255.244.0/24(insecure,rw,async,no_subtree_check,crossmnt,fsid=0,no_root_squash)
+        '';
+      };
+
+      k8s = {
+          enable = true;
+          node.enable = true;
+          master.enable = false;
+          inherit etcdCluster;
+      };
+    };
+
+    systemd.services.rc-local = {
+        description = "rc.local script";
+        wantedBy = [ "multi-user.target" ];
+        after = [ "network.target" ];
+        path = [ "/run/current-system/sw/" ];
+        serviceConfig = {
+          Type = "oneshot";
+        };
+        script = ''
+            # if [ -e /sys/block/md126 ]; then
+            #     echo "deadline" > /sys/block/md126/queue/scheduler
+            #     # echo "4096" > /sys/block/md126/queue/nr_requests
+            #     echo "4096" > /sys/block/md126/queue/read_ahead_kb
+            #     echo "always" > /sys/kernel/mm/transparent_hugepage/enabled
+            #     echo "always" > /sys/kernel/mm/transparent_hugepage/defrag
+            # fi
+            grep -q rdma /proc/fs/nfsd/portlist || echo "rdma 20049" > /proc/fs/nfsd/portlist
+            grep -q tcp /proc/fs/nfsd/portlist || echo "tcp 2049" > /proc/fs/nfsd/portlist
+        '';
+    };
+
+    boot.kernel.sysctl = {
+        "vm.dirty_background_ratio" = 5;
+        "vm.dirty_ratio" = 10;
+        "vm.vfs_cache_pressure" = 50;
+        "vm.min_free_kbytes" = 262144;
+    };
+
+    networking = {
+      hostName = name;
+      interfaces.eno1 = {
+        useDHCP = false;
+        ipv4.addresses = [ {
+          address = address;
+          prefixLength = 24;
+        } ];
+        ipv4.routes = [
+            {
+                address = "10.255.244.0";
+                prefixLength = 24;
+                via = "10.255.241.99";
+            }
+        ];
+      };
+      interfaces.ibp59s0 = {
+        useDHCP = false;
+        ipv4.addresses = [ {
+          address = "10.255.243.80";
+          prefixLength = 24;
+        } ];
+      };
+      firewall = {
+        allowedTCPPorts = [];
+        allowedUDPPorts = [];
+        extraCommands = ''
+          iptables -t nat -A POSTROUTING -s 10.255.243.0/24 -j MASQUERADE
+        '';
+      };
+    };
+
+    services.rpcbind.enable = true;
+
+    fileSystems = {
+        "/exports/backup" = {
+            device = "/backup";
+            options = [ "bind" ];
+        };
+        "/exports/ekman" = {
+            device = "/backup/ekman-nfs";
+            options = [ "bind" ];
+        };
+    };
+
+    programs.singularity.enable = true;
+
+    imports = [
+      ./hardware-configuration.nix
+      ../cluster.nix
+      ../mounts.nix
+    ];
+  };
+
+}
diff --git a/ekman/fs-backup/hardware-configuration.nix b/ekman/fs-backup/hardware-configuration.nix
new file mode 100644
index 0000000..b0add6b
--- /dev/null
+++ b/ekman/fs-backup/hardware-configuration.nix
@@ -0,0 +1,41 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "megaraid_sas" "mpt3sas" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/19b7e607-b138-442a-9026-3ae1092046c9";
+      fsType = "ext4";
+    };
+
+  fileSystems."/backup" =
+    { device = "/dev/vg1/data";
+      fsType = "xfs";
+      options = [ "ro" "noauto" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno3.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno4.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/fs-backup/ssh_host_key.pub b/ekman/fs-backup/ssh_host_key.pub
new file mode 100644
index 0000000..cf287ba
--- /dev/null
+++ b/ekman/fs-backup/ssh_host_key.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@fs2
diff --git a/ekman/fs-work/default.nix b/ekman/fs-work/default.nix
new file mode 100644
index 0000000..42ec4ca
--- /dev/null
+++ b/ekman/fs-work/default.nix
@@ -0,0 +1,171 @@
+{ pkgs ? import <nixpkgs> {} }:
+let
+  # Pin the deployment package-set to a specific version of nixpkgs
+  # pkgs = import (builtins.fetchTarball {
+  #   url = "https://github.com/NixOS/nixpkgs/archive/e9148dc1c30e02aae80cc52f68ceb37b772066f3.tar.gz";
+  #   sha256 = "1ckzhh24mgz6jd1xhfgx0i9mijk6xjqxwsshnvq789xsavrmsc36";
+  # }) {};
+  # pkgs = import <nixpkgs> {};
+  etcdCluster = import ../etcdCluster.nix;
+  name = "fs-work";
+  address = "10.255.241.90";
+in {
+  fs-work = { config, pkgs, ... }: with pkgs; {
+    deployment.tags = [ "fs" "fs-work" ];
+    deployment.targetHost = address;
+    system.autoUpgrade.enable = lib.mkForce false;
+
+    systemd.targets = {
+      sleep.enable = false;
+      suspend.enable = false;
+      hibernate.enable = false;
+      hybrid-sleep.enable = false;
+    };
+
+    # services.udev.extraRules = ''
+    #     KERNEL=="ibp65s0", SUBSYSTEM=="net", ATTR{create_child}:="0x7666"
+    # '';
+
+    environment.systemPackages = with pkgs; [
+        rdma-core
+        hwloc
+    ];
+
+    cluster = {
+      k8sNode = true;
+      slurm = false;
+      mounts = {
+        rdma.enable = false;
+        automount.enable = true;
+        users = false;
+        opt = false;
+        work = false;
+        data = false;
+        ceph = false;
+      };
+    };
+
+    features.hpc.slurm.mungeUid = 994;
+
+    features = {
+      host = {
+        inherit address;
+        inherit name;
+      };
+
+      os = {
+        externalInterface = "enp33s0f3np3";
+        nfs.enable = true;
+        nfs.exports = ''
+          /exports 10.255.241.0/24(insecure,rw,async,no_subtree_check,crossmnt,fsid=0,no_root_squash)
+          /exports 10.255.243.0/24(insecure,rw,async,no_subtree_check,crossmnt,fsid=0,no_root_squash)
+          /exports 10.255.244.0/24(insecure,rw,async,no_subtree_check,crossmnt,fsid=0,no_root_squash)
+        '';
+      };
+
+      k8s = {
+          enable = true;
+          node.enable = true;
+          master.enable = false;
+          inherit etcdCluster;
+      };
+    };
+
+    systemd.services.rc-local = {
+        description = "rc.local script";
+        wantedBy = [ "multi-user.target" ];
+        after = [ "network.target" ];
+        path = [ "/run/current-system/sw/" ];
+        serviceConfig = {
+          Type = "oneshot";
+        };
+        script = ''
+            # if [ -e /sys/block/md126 ]; then
+            #     echo "deadline" > /sys/block/md126/queue/scheduler
+            #     # echo "4096" > /sys/block/md126/queue/nr_requests
+            #     echo "4096" > /sys/block/md126/queue/read_ahead_kb
+            #     echo "always" > /sys/kernel/mm/transparent_hugepage/enabled
+            #     echo "always" > /sys/kernel/mm/transparent_hugepage/defrag
+            # fi
+            grep -q rdma /proc/fs/nfsd/portlist || echo "rdma 20049" > /proc/fs/nfsd/portlist
+            grep -q tcp /proc/fs/nfsd/portlist || echo "tcp 2049" > /proc/fs/nfsd/portlist
+        '';
+    };
+
+    boot.kernel.sysctl = {
+        "vm.dirty_background_ratio" = 5;
+        "vm.dirty_ratio" = 10;
+        "vm.vfs_cache_pressure" = 50;
+        "vm.min_free_kbytes" = 262144;
+    };
+
+    networking = {
+      hostName = name;
+      interfaces.enp65s0f0np0 = {
+        useDHCP = false;
+        ipv4.addresses = [
+          {
+            address = address;
+            prefixLength = 24;
+          }
+        ];
+        ipv4.routes = [
+            {
+                address = "10.255.242.0";
+                prefixLength = 24;
+                via = "10.255.241.100";
+            }
+        ];
+      };
+      interfaces.enp1s0f1np1 = {
+        useDHCP = false;
+        ipv4.addresses = [
+          {
+            address = "10.255.244.90";
+            prefixLength = 24;
+          }
+        ];
+      };
+      # interfaces."ibp65s0.7666" = {
+      #   useDHCP = false;
+      # };
+      interfaces.ibp1s0f0 = {
+        useDHCP = false;
+        ipv4.addresses = [
+          {
+            address = "10.255.243.90";
+            prefixLength = 24;
+          }
+      ];
+      };
+      firewall = {
+        allowedTCPPorts = [];
+        allowedUDPPorts = [];
+        extraCommands = ''
+          # iptables -t nat -A POSTROUTING -s 10.255.243.0/24 -j MASQUERADE
+        '';
+      };
+    };
+
+    services.rpcbind.enable = true;
+
+    fileSystems = {
+      "/exports/work" = {
+        device = "/work";
+        options = [ "bind" ];
+      };
+      "/exports/opt" = {
+        device = "/opt";
+        options = [ "bind" ];
+      };
+    };
+
+    programs.singularity.enable = true;
+
+    imports = [
+        ./hardware-configuration.nix
+        ../default.nix
+        ../mounts.nix
+    ];
+  };
+}
diff --git a/ekman/fs-work/hardware-configuration.nix b/ekman/fs-work/hardware-configuration.nix
new file mode 100644
index 0000000..1148099
--- /dev/null
+++ b/ekman/fs-work/hardware-configuration.nix
@@ -0,0 +1,47 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "smartpqi" "megaraid_sas" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/21d2c2c7-4968-432d-a5c4-08116147b816";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/49B0-2597";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  fileSystems."/work" =
+    { device = "/dev/mapper/data-work";
+      fsType = "xfs";
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0f0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0f1np1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1np1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp6s0f4u1u6.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/fs-work/ssh_host_key.pub b/ekman/fs-work/ssh_host_key.pub
new file mode 100644
index 0000000..80a68fc
--- /dev/null
+++ b/ekman/fs-work/ssh_host_key.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/hive.nix b/ekman/hive.nix
new file mode 100644
index 0000000..c28696d
--- /dev/null
+++ b/ekman/hive.nix
@@ -0,0 +1,25 @@
+let
+  # Pin the deployment package-set to a specific version of nixpkgs
+  # pkgs = import (builtins.fetchTarball {
+  #   url = "https://github.com/NixOS/nixpkgs/archive/e6377ff35544226392b49fa2cf05590f9f0c4b43.tar.gz";
+  #   sha256 = "1fra9wwy5gvj5ibayqkzqpwdf715bggc0qbmrfch4fghwvl5m70l";
+  # }) {};
+  pkgs = import <nixpkgs> {};
+
+  ekman-manage = {
+      deployment = {
+          tags = [ "manage" "ekman" ];
+          allowLocalDeployment = true;
+          targetHost = null;
+      };
+      imports = [ ./manage ];
+  };
+
+  ekman-login = import ./login { inherit pkgs; };
+  c0 = import ./c0 { inherit pkgs; };
+  c0x = import ./c0x { inherit pkgs; };
+  c1 = import ./c1 { inherit pkgs; };
+  fs-work = import ./fs-work { inherit pkgs; };
+  fs-backup = import ./fs-backup { inherit pkgs; };
+in
+    { inherit ekman-manage; } // ekman-login // c0 // c0x // c1 // fs-work // fs-backup
diff --git a/ekman/hosts.nix b/ekman/hosts.nix
new file mode 100644
index 0000000..f800d32
--- /dev/null
+++ b/ekman/hosts.nix
@@ -0,0 +1,83 @@
+''
+    10.255.242.2 ekman-gw ekman-gw.cluster.local ekman-gw.cluster.local
+    10.255.242.3 front-gw front-gw.cluster.local front-gw.cluster.local
+
+    10.255.241.90  fs-work fs-work.cluster.local
+    10.255.241.90  nfs1 nfs1.cluster.local
+    10.255.241.90  fs1 fs1.cluster.local
+    10.255.241.80  fs-backup fs-backup.cluster.local
+    10.255.241.80  fs2 fs2.cluster.local
+    10.255.241.100 ekman ekman.cluster.local ekman.cluster.local
+    10.255.241.100 etcd0 etcd0.cluster.local
+    10.255.241.80 etcd1 etcd1.cluster.local
+    10.255.241.90 etcd2 etcd2.cluster.local
+    10.255.241.99 ekman-manage frontend frontend.cluster.local frontend.cluster.local
+    10.255.243.99 ibfrontend ibfrontend.cluster.local ibfrontend.cluster.local
+
+    10.255.241.101 c0-1  c0-1.cluster.local
+    10.255.241.102 c0-2  c0-2.cluster.local
+    10.255.241.103 c0-3  c0-3.cluster.local
+    10.255.241.104 c0-4  c0-4.cluster.local
+    10.255.241.105 c0-5  c0-5.cluster.local
+    10.255.241.106 c0-6  c0-6.cluster.local
+    10.255.241.107 c0-7  c0-7.cluster.local
+    10.255.241.108 c0-8  c0-8.cluster.local
+    10.255.241.109 c0-9  c0-9.cluster.local
+    10.255.241.110 c0-10 c0-10.cluster.local
+    10.255.241.111 c0-11 c0-11.cluster.local
+    10.255.241.112 c0-12 c0-12.cluster.local
+    10.255.241.113 c0-13 c0-13.cluster.local
+    10.255.241.114 c0-14 c0-14.cluster.local
+    10.255.241.115 c0-15 c0-15.cluster.local
+    10.255.241.116 c0-16 c0-16.cluster.local
+    10.255.241.117 c0-17 c0-17.cluster.local
+    10.255.241.118 c0-18 c0-18.cluster.local
+
+    10.255.241.121 c1-1 c1-1.cluster.local
+    10.255.241.122 c1-2 c1-2.cluster.local
+    10.255.241.123 c1-3 c1-3.cluster.local
+    10.255.241.124 c1-4 c1-4.cluster.local
+    10.255.241.125 c1-5 c1-5.cluster.local
+    10.255.241.126 c1-6 c1-6.cluster.local
+    10.255.241.127 c1-7 c1-7.cluster.local
+    10.255.241.128 c1-8 c1-8.cluster.local
+
+    10.255.243.90  ibfs-work ibfs-work.cluster.local
+    10.255.243.90  ibnfs1 ibnfs1.cluster.local
+    10.255.243.90  ibfs1 ibfs1.cluster.local
+    10.255.243.80  ibfs-backup ibfs-backup.cluster.local
+    10.255.243.80  ibfs2 ibfs2.cluster.local
+    10.255.243.100 ibekman ibekman.cluster.local
+    10.255.243.100 ibetcd0 ibetcd0.cluster.local
+    10.255.243.80 ibetcd1 ibetcd1.cluster.local
+    10.255.243.90 ibetcd2 ibetcd2.cluster.local
+
+    10.255.243.101 ib0-1  ib0-1.cluster.local
+    10.255.243.102 ib0-2  ib0-2.cluster.local
+    10.255.243.103 ib0-3  ib0-3.cluster.local
+    10.255.243.104 ib0-4  ib0-4.cluster.local
+    10.255.243.105 ib0-5  ib0-5.cluster.local
+    10.255.243.106 ib0-6  ib0-6.cluster.local
+    10.255.243.107 ib0-7  ib0-7.cluster.local
+    10.255.243.108 ib0-8  ib0-8.cluster.local
+    10.255.243.109 ib0-9  ib0-9.cluster.local
+    10.255.243.110 ib0-10 ib0-10.cluster.local
+    10.255.243.111 ib0-11 ib0-1.cluster.local
+    10.255.243.112 ib0-12 ib0-12.cluster.local
+    10.255.243.113 ib0-13 ib0-13.cluster.local
+    10.255.243.114 ib0-14 ib0-14.cluster.local
+    10.255.243.115 ib0-15 ib0-15.cluster.local
+    10.255.243.116 ib0-16 ib0-16.cluster.local
+    10.255.243.117 ib0-17 ib0-17.cluster.local
+    10.255.243.118 ib0-18 ib0-18.cluster.local
+    10.255.243.118 ib0-18 ib0-19.cluster.local
+
+    10.255.243.121 ib1-1  ib1-1.cluster.local
+    10.255.243.122 ib1-2  ib1-2.cluster.local
+    10.255.243.123 ib1-3  ib1-3.cluster.local
+    10.255.243.124 ib1-4  ib1-4.cluster.local
+    10.255.243.125 ib1-5  ib1-5.cluster.local
+    10.255.243.126 ib1-6  ib1-6.cluster.local
+    10.255.243.127 ib1-7  ib1-7.cluster.local
+    10.255.243.128 ib1-8  ib1-8.cluster.local
+''
diff --git a/ekman/login/default.nix b/ekman/login/default.nix
new file mode 100644
index 0000000..94baae8
--- /dev/null
+++ b/ekman/login/default.nix
@@ -0,0 +1,341 @@
+{ pkgs ? import <nixpkgs> {} }:
+let
+  name = "rossby";
+  address = "172.16.239.222";
+  etcdCluster = import ../etcdCluster.nix;
+in
+{
+  rossby-login = { config, pkgs, ... }: with pkgs; {
+    deployment.tags = [ "rossby-login" "login"  ];
+    deployment.targetHost = address;
+    system.autoUpgrade.enable = lib.mkForce false;
+
+    systemd.targets = {
+      sleep.enable = false;
+      suspend.enable = false;
+      hibernate.enable = false;
+      hybrid-sleep.enable = false;
+    };
+
+    cluster = {
+      compute = true;
+      k8sNode = true;
+      mounts = {
+        rdma.enable = false;
+        automount.enable = true;
+        users = false;
+        opt = false;
+        work = false;
+        data = false;
+        ceph = false;
+      };
+    };
+
+    features = {
+      host = {
+        inherit name;
+        inherit address;
+      };
+
+      myvnc.enable = false;
+
+      os = {
+        externalInterface = "enp129s0f0";
+        nfs.enable = true;
+        nfs.exports = ''
+          /exports 172.16.239.0/24(insecure,rw,sync,no_subtree_check,crossmnt,fsid=0,no_root_squash)
+        '';
+      };
+
+      hpc = {
+        slurm.server = false;
+        slurm.slurmrestd = false;
+        manager = false;
+        login = true;
+        knem = false;
+      };
+
+      k8s = {
+        master.enable = false;
+        node.enable = true;
+        inherit etcdCluster;
+      };
+
+      desktop.enable = false;
+      # server.enable = true;
+      monitoring = {
+      #   server = {
+      #     enable = false;
+      #     scrapeHosts = [ "rossby-manage" "nfs0" "nfs1" ] ++ (builtins.map (x: x.name) computeNodes);
+      #     defaultAlertReceiver = {
+      #       email_configs = [
+      #         { to = "jonas.juselius@oceanbox.io"; }
+      #       ];
+      #     };
+      #     pageAlertReceiver = {
+      #       webhook_configs = [
+      #         {
+      #           url = "https://prometheus-msteams.k2.itpartner.no/rossby";
+      #           http_config = {
+      #             tls_config = { insecure_skip_verify = true; };
+      #           };
+      #         }
+      #       ];
+      #     };
+      #   };
+      #   webUI.enable = false;
+      #   webUI.acmeEmail = "innovasjon@itpartner.no";
+      #   webUI.allow = [
+      #       "10.1.2.0/24"
+      #       "172.19.254.0/24"
+      #       "172.19.255.0/24"
+      #   ];
+        infiniband-exporter = {
+          enable = true;
+          nameMap = ''
+              # 0xe8ebd3030024981e "c0-1"
+          '';
+        };
+        slurm-exporter = {
+          enable = true;
+          port = 6080;
+        };
+      };
+    };
+
+    # services.udev.extraRules = ''
+    #     KERNEL=="ibp65s0", SUBSYSTEM=="net", ATTR{create_child}:="0x7666"
+    # '';
+
+    # boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_6;
+    services.flannel.iface = "enp129s0f0";
+
+    networking = {
+      useDHCP = false;
+      hostName = name;
+<<<<<<<< HEAD:rossby/login/default.nix
+      interfaces.enp129s0f0 = {
+        useDHCP = false;
+        ipv4.addresses = [ {
+          inherit address;
+========
+      interfaces.enp33s0f3np3 = {
+        useDHCP = false;
+        ipv4.addresses = [ {
+          address = address;
+>>>>>>>> ekman:ekman/login/default.nix
+          prefixLength = 24;
+        } ];
+        # ipv4.routes = [
+        #     {
+        #         address = "10.255.244.0";
+        #         prefixLength = 24;
+        #         via = "10.255.241.99";
+        #     }
+        # ];
+      };
+      # interfaces."ibp65s0f0" = {
+      #   useDHCP = false;
+      #   ipv4.addresses = [ {
+      #     address = "10.255.243.100";
+      #     prefixLength = 24;
+      #   } ];
+      # };
+      # interfaces."enp65s0f1np1" = {
+      #   useDHCP = false;
+      #   ipv4.addresses = [ {
+      #     address = "10.255.244.100";
+      #     prefixLength = 24;
+      #   } ];
+      # };
+      # interfaces.enp33s0f0np0 = {
+      #   useDHCP = false;
+      #   ipv4.addresses = [ {
+      #     address = "10.255.242.2";
+      #     prefixLength = 24;
+      #   } ];
+      #   ipv4.routes = [
+            # {
+            #     address = "10.1.8.0";
+            #     prefixLength = 24;
+            #     via = "10.255.242.1";
+            # }
+            # {
+            #     address = "10.1.30.0";
+            #     prefixLength = 24;
+            #     via = "10.255.242.1";
+            # }
+        # ];
+      # };
+      defaultGateway = "172.16.239.1";
+      firewall = {
+        allowedTCPPorts = [ 4443 ];
+        extraCommands = ''
+          # iptables -t nat -A POSTROUTING -s 10.255.243.0/24 -j MASQUERADE
+        '';
+      };
+    };
+
+    fileSystems = {
+      "/exports/home" = {
+        device = "/home";
+        options = [ "bind" ];
+      };
+      "/exports/opt/bin" = {
+        device = "/opt/bin";
+        options = [ "bind" ];
+      };
+      "/exports/opt/sif" = {
+        device = "/opt/sif";
+        options = [ "bind" ];
+      };
+      "/exports/opt/singularity" = {
+        device = "/opt/singularity";
+        options = [ "bind" ];
+      };
+      "/exports/nfs-provisioner" = {
+        device = "/vol/nfs-provisioner";
+        options = [ "bind" ];
+      };
+      "/users" = {
+        device = "/home";
+        options = [ "bind" ];
+      };
+      "/vol/local-storage/vol1" = {
+        device = "/vol/vol1";
+        options = [ "bind" ];
+      };
+      "/vol/local-storage/vol2" = {
+        device = "/vol/vol2";
+        options = [ "bind" ];
+      };
+    };
+
+    nix.extraOptions = ''
+      # secret-key-files = /etc/nix/rossby.key
+    '';
+
+    # services.xserver = {
+    #   enable = false;
+    #   enableCtrlAltBackspace = true;
+    #   layout = "us";
+    #   xkbVariant = "altgr-intl";
+    #   xkbOptions = "eurosign:e";
+    #   displayManager = {
+    #     gdm.enable = false;
+    #     job.logToFile = true;
+    #   };
+    #   # desktopManager.xfce.enable = true;
+    # };
+
+    services.prometheus.alertmanager.configuration.global = {
+        smtp_smarthost = "smtpgw.itpartner.no";
+        # smtp_auth_username = "utvikling";
+        # smtp_auth_password = "S0m3rp0m@de#21!";
+        smtp_hello = "rossby.oceanbox.io";
+        smtp_from = "noreplyrossby.oceanbox.io";
+    };
+
+    # services.nginx = {
+    #   virtualHosts = {
+    #     "ds.matnoc.regnekraft.io" = {
+    #       forceSSL = true;
+    #       enableACME = true;
+    #       serverAliases = [];
+    #       locations."/" = {
+    #         proxyPass = "http://localhost:9088";
+    #         proxyWebsockets = false;
+    #         extraConfig = ''
+    #           allow 10.1.2.0/24;
+    #           allow 172.19.254.0/24;
+    #           allow 172.19.255.0/24;
+    #           deny all;
+    #         '';
+    #       };
+    #     };
+    #   };
+    # };
+
+    # services.gitlab-runner = {
+    #   enable = true;
+    #   extraPackages = with pkgs; [
+    #     singularity
+    #   ];
+    #   concurrent = 4;
+    #   services = {
+    #     sif = {
+    #       registrationConfigFile = "/var/lib/secrets/gitlab-runner-registration";
+    #       executor = "shell";
+    #       tagList = [ "rossby" "sif" ];
+    #     };
+    #   };
+    # };
+
+    # security.sudo.extraConfig = ''
+    #   gitlab-runner ALL=(ALL) NOPASSWD: /run/current-system/sw/bin/singularity
+    # '';
+
+    security.pam = {
+      services.sshd.googleAuthenticator.enable = true;
+      loginLimits = [
+        {
+          domain = "@users";
+          item = "rss";
+          type = "hard";
+          value = 16000000;
+        }
+        {
+          domain = "@users";
+          item = "cpu";
+          type = "hard";
+          value = 180;
+        }
+      ];
+    };
+
+    system.activationScripts = {
+        home-permissions.text = ''
+            chmod 755 /home/olean
+            chmod 755 /home/frankgaa
+            chmod 755 /home/jonas
+            chmod 755 /home/mrtz
+            chmod 755 /home/avle
+            chmod 755 /home/stig
+            chmod 755 /home/bast
+            chmod 755 /home/simenlk
+            chmod 755 /work/kraken
+        '';
+    };
+
+
+    # ssh-rsa is deprecated, but putty/winscp users use it
+    services.openssh.extraConfig = ''
+      # pubkeyacceptedalgorithms ssh-rsa,ssh-ed25519-cert-v01@openssh.com,ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,sk-ssh-ed25519-cert-v01@openssh.com,sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,rsa-sha2-512-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,sk-ssh-ed25519@openssh.com,sk-ecdsa-sha2-nistp256@openssh.com,rsa-sha2-512,rsa-sha2-256
+      PubkeyAuthOptions verify-required
+    '';
+
+    environment.systemPackages = [];
+
+    virtualisation.docker.enable = pkgs.lib.mkForce true;
+
+    services.tailscale =  {
+      enable = true;
+      authKeyFile = "/var/lib/secrets/tailscale.key";
+      useRoutingFeatures = "server"; # for exit-node usage
+      extraUpFlags = [
+        "--login-server=https://headscale.svc.oceanbox.io"
+        "--accept-dns"
+        "--advertise-exit-node"
+        "--advertise-tags=tag:rossby"
+      ];
+    };
+
+    imports = [
+      ./hardware-configuration.nix
+      ../default.nix
+      ../mounts.nix
+      ../myvnc.nix
+    ];
+  };
+}
+
diff --git a/ekman/login/hardware-configuration.nix b/ekman/login/hardware-configuration.nix
new file mode 100644
index 0000000..acc3e52
--- /dev/null
+++ b/ekman/login/hardware-configuration.nix
@@ -0,0 +1,42 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/e859992d-1627-42cc-a59c-178d596fc220";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/5281-9FFF";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp129s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp129s0f1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp129s0f2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp129s0f3.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0np0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/ekman/login/ssh_host_key.pub b/ekman/login/ssh_host_key.pub
new file mode 100644
index 0000000..8d66cd4
--- /dev/null
+++ b/ekman/login/ssh_host_key.pub
@@ -0,0 +1 @@
+ssh-rsa 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 root@nixos
diff --git a/ekman/manage/default.nix b/ekman/manage/default.nix
new file mode 100644
index 0000000..b8065c5
--- /dev/null
+++ b/ekman/manage/default.nix
@@ -0,0 +1,354 @@
+<<<<<<< HEAD:configuration.nix
+_:
+{
+  imports = [ ./rossby/manage ];
+=======
+{ pkgs, ...}:
+let
+  computeNodes =
+      import ../c0/nodes.nix ++
+      import ../c1/nodes.nix ++
+      [
+          rec {
+            idx = 100;
+            name = "ekman";
+            address = "10.255.241.${toString idx}";
+            ipoib = "10.255.243.${toString idx}";
+            pubkey = ../login/ekman.pub;
+          }
+          rec {
+            idx = 90;
+            name = "fs-work";
+            address = "10.255.241.${toString idx}";
+            ipoib = "10.255.243.${toString idx}";
+            pubkey = ../fs-work/fs-work.pub;
+          }
+          rec {
+            idx = 81;
+            name = "fs-backup";
+            address = "10.255.241.${toString idx}";
+            ipoib = "10.255.243.${toString idx}";
+            pubkey = ../fs-backup/fs-backup.pub;
+          }
+      ];
+  etcdCluster = import ../etcdCluster.nix;
+  name = "ekman-manage";
+  address = "10.255.241.99";
+  ipoib = "10.255.243.99";
+in {
+    systemd.targets = {
+      sleep.enable = false;
+      suspend.enable = false;
+      hibernate.enable = false;
+      hybrid-sleep.enable = false;
+    };
+
+    # services.udev.extraRules = ''
+    #     KERNEL=="ibp65s0", SUBSYSTEM=="net", ATTR{create_child}:="0x7666"
+    # '';
+
+    environment.systemPackages = with pkgs; [
+        rdma-core
+        hwloc
+        headscale
+    ];
+
+    cluster = {
+      k8sNode = true;
+      compute = false;
+      slurm = true;
+      mounts = {
+        rdma.enable = true;
+        automount.enable = true;
+        home = true;
+        opt = true;
+        work = true;
+        data = true;
+        backup = true;
+        ceph = true;
+      };
+    };
+
+    features = {
+      desktop.enable = false;
+      cachix.enable = false;
+
+      host = {
+        inherit address;
+        inherit name;
+      };
+
+      myvnc.enable = false;
+
+      os = {
+        externalInterface = "eno1";
+        nfs.enable = false;
+        nfs.exports = ''
+          /exports 10.255.241.0/24(insecure,rw,async,no_subtree_check,crossmnt,fsid=0,no_root_squash)
+          /exports 10.255.243.0/24(insecure,rw,async,no_subtree_check,crossmnt,fsid=0,no_root_squash)
+        '';
+      };
+
+      hpc = {
+        slurm.server = true;
+        slurm.slurmrestd = false;
+        slurm.mungeUid = 996;
+        frontend = true;
+      };
+
+      k8s = {
+        master.enable = true;
+        node.enable = true;
+        nodes = computeNodes;
+        inherit etcdCluster;
+      };
+
+      monitoring = {
+        server = {
+          enable = false;
+          scrapeHosts = [
+              "ekman-manage"
+              "ekman"
+              "fs-work"
+              "fs-backup"
+          ] ++ (builtins.map (x: x.name) computeNodes);
+          defaultAlertReceiver = {
+            email_configs = [
+              { to = "jonas.juselius@oceanbox.io"; }
+            ];
+          };
+          pageAlertReceiver = {
+            webhook_configs = [
+              {
+                url = "https://prometheus-msteams.k2.itpartner.no/ekman";
+                http_config = {
+                  tls_config = { insecure_skip_verify = true; };
+                };
+              }
+            ];
+          };
+        };
+        webUI.enable = false;
+        webUI.acmeEmail = "innovasjon@itpartner.no";
+        webUI.allow = [
+            "10.1.2.0/24"
+            "172.19.254.0/24"
+            "172.19.255.0/24"
+        ];
+        infiniband-exporter = {
+          enable = true;
+          nameMap = ''
+            0xe8ebd3030024a2c6 "ekman"
+            0x0c42a10300ddc4bc "ekman-manage"
+            0xe8ebd3030024a2ae "fs-work"
+            0x1c34da0300787798 "fs-backup"
+            0xe8ebd3030024981e "c0-1"
+            0xe8ebd3030024a21a "c0-2"
+       	    0xe8ebd30300249a3a "c0-3"
+            0xe8ebd30300248b9e "c0-4"
+            0xe8ebd30300248b86 "c0-5"
+            0xe8ebd3030024998a "c0-6"
+            0xe8ebd30300248b8e "c0-7"
+            0xe8ebd3030024999e "c0-8"
+            0xe8ebd30300248fca "c0-9"
+            0xe8ebd3030024a216 "c0-10"
+            0xe8ebd30300248b96 "c0-11"
+            0xe8ebd30300248b9a "c0-12"
+            0xe8ebd303002495d2 "c0-13"
+            0xe8ebd303002495e2 "c0-14"
+            0xe8ebd30300248f42 "c0-15"
+            0xe8ebd303002495e6 "c0-16"
+            0x0c42a10300dbe7f4 "c1-1"
+            0x0c42a10300dbe7d8 "c1-2"
+            0x0c42a10300dbe800 "c1-3"
+            0x0c42a10300dbec80 "c1-4"
+            0x0c42a10300dbea50 "c1-5"
+            0x0c42a10300dbeb2c "c1-6"
+            0x0c42a10300dbe7fc "c1-7"
+            0x0c42a10300dbe5a0 "c1-8"
+          '';
+        };
+        slurm-exporter = {
+          enable = true;
+          port = 6080;
+        };
+      };
+    };
+
+    programs.singularity.enable = true;
+
+    # services.udev.extraRules = ''
+    #     KERNEL=="ibp65s0", SUBSYSTEM=="net", ATTR{create_child}:="0x7666"
+    # '';
+
+    services.kubernetes.apiserver.extraOpts = ''--oidc-client-id=9b6daef0-02fa-4574-8949-f7c1b5fccd15 --oidc-groups-claim=roles --oidc-issuer-url=https://login.microsoftonline.com/3f737008-e9a0-4485-9d27-40329d288089/v2.0'';
+
+    services.flannel.iface = "eno2";
+
+    networking = {
+      useDHCP = false;
+      hostName = name;
+      interfaces.eno1 = {
+        useDHCP = false;
+        ipv4.addresses = [ {
+          address = "10.255.242.3";
+          prefixLength = 24;
+        } ];
+      };
+      interfaces.eno2 = {
+        useDHCP = false;
+        ipv4.addresses = [
+            {
+                inherit address;
+                prefixLength = 24;
+            }
+        ];
+      };
+      interfaces.ens2f1np1 = {
+        useDHCP = false;
+        ipv4.addresses = [
+            {
+                address = "10.255.244.99";
+                prefixLength = 24;
+            }
+        ];
+      };
+      interfaces.ibs2f0 = {
+        useDHCP = false;
+        ipv4.addresses = [
+            {
+                address = ipoib;
+                prefixLength = 24;
+            }
+        ];
+      };
+      defaultGateway = "10.255.242.1";
+      firewall = {
+        allowedTCPPorts = [ 4443 4725 ];
+        extraCommands = ''
+          # needed for nodeport access on k1 and k2
+          # iptables -t nat -A POSTROUTING -s 10.255.241.0/24 ! -d 10.255.0.0/16 -j SNAT --to-source 10.255.242.3
+          iptables -t nat -A POSTROUTING -s 10.255.243.0/24 -j MASQUERADE
+          # iptables -t nat -A POSTROUTING -s 100.64.0.0/24 -j MASQUERADE
+          # iptables -t nat -A POSTROUTING -d 10.255.244.0/24 -j MASQUERADE
+          # iptables -t nat -A POSTROUTING -s 10.255.244.0/24 -d 10.255.241.0/16 -j SNAT --to-source 10.255.241.99
+          # iptables -t nat -A POSTROUTING -s 10.255.244.0/24 -j SNAT --to-source 10.255.242.3
+        '';
+      };
+    };
+
+    fileSystems = {
+      "/exports/public" = {
+        device = "/srv/public";
+        options = [ "bind" ];
+      };
+    };
+
+    nix.extraOptions = ''
+      # secret-key-files = /etc/nix/ekman.key
+    '';
+
+    services.prometheus.alertmanager.configuration.global = {
+        smtp_smarthost = "smtpgw.itpartner.no";
+        # smtp_auth_username = "utvikling";
+        # smtp_auth_password = "S0m3rp0m@de#21!";
+        smtp_hello = "ekman.oceanbox.io";
+        smtp_from = "noreply@ekman.oceanbox.io";
+    };
+
+    security.pam = {
+      services.sshd.googleAuthenticator.enable = true;
+      loginLimits = [
+        {
+          domain = "@users";
+          item = "rss";
+          type = "hard";
+          value = 16000000;
+        }
+        {
+          domain = "@users";
+          item = "cpu";
+          type = "hard";
+          value = 180;
+        }
+      ];
+    };
+
+    system.activationScripts = {
+        home-permissions.text = ''
+            chmod 755 /home/olean
+            chmod 755 /home/frankgaa
+            chmod 755 /home/jonas
+            chmod 755 /home/stig
+            chmod 755 /home/bast
+            chmod 755 /home/mrtz
+            chmod 755 /home/avle
+            chmod 755 /home/simenlk
+            chmod 755 /home/ole
+        '';
+    };
+
+    # Use nvd to get package diff before apply
+    system.activationScripts.system-diff = {
+     supportsDryActivation = true; # safe: only outputs to stdout
+     text = ''
+       export PATH="${pkgs.lib.makeBinPath [ pkgs.nixVersions.latest ]}:$PATH"
+       if [ -e /run/current-system ]; then
+         ${pkgs.lib.getExe pkgs.nvd} diff '/run/current-system' "$systemConfig" || true
+       fi
+     '';
+    };
+
+    # ssh-rsa is deprecated, but putty/winscp users use it
+    services.openssh.extraConfig = ''
+      # pubkeyacceptedalgorithms ssh-rsa,ssh-ed25519-cert-v01@openssh.com,ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,sk-ssh-ed25519-cert-v01@openssh.com,sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,rsa-sha2-512-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,sk-ssh-ed25519@openssh.com,sk-ecdsa-sha2-nistp256@openssh.com,rsa-sha2-512,rsa-sha2-256
+      PubkeyAuthOptions verify-required
+    '';
+
+    # boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_1;
+
+    virtualisation.docker.enable = pkgs.lib.mkForce true;
+
+# Configuration for the coordination server for a tailscale network run using headscale.
+#
+# We can set it up to provide several exit nodes through which traffic can be routed.
+#
+# Servers can join using this command:
+#  `tailscale up --login-server net.b0.itpartner.no --accept-dns=false --advertise-exit-node`
+#
+# with the following config:
+#
+#  service.tailscale = {
+#    enable = true;
+#    useRoutingFeatures = "server"; # for exit-node usage
+#   };
+#
+# Clients can join using this command:
+#  `tailscale up --login-server net.b0.itpartner.no --accept-dns=false`
+#
+  # services.headscale = {
+  #   enable = true;
+  #   address = "0.0.0.0";
+  #   port = 4725; # hscl
+  #   settings = import ./headscale/settings.nix;
+  # };
+
+  services.tailscale =  {
+    enable = true;
+    authKeyFile = "/var/lib/secrets/tailscale.key";
+    useRoutingFeatures = "both"; # for exit-node usage
+    extraUpFlags = [
+      "--login-server=https://headscale.svc.oceanbox.io"
+      "--accept-dns=false"
+      "--advertise-exit-node"
+    ];
+  };
+
+  imports = [
+      ./hardware-configuration.nix
+      ../default.nix
+      ../mounts.nix
+      ../myvnc.nix
+  ];
+>>>>>>> ekman:ekman/manage/default.nix
+}
diff --git a/ekman/manage/hardware-configuration.nix b/ekman/manage/hardware-configuration.nix
new file mode 100644
index 0000000..84acc26
--- /dev/null
+++ b/ekman/manage/hardware-configuration.nix
@@ -0,0 +1,27 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "megaraid_sas" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/099be829-726d-44c9-b113-4c2604a663c5";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/8111-9F24";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+}
diff --git a/ekman/manage/ssh_host_key.pub b/ekman/manage/ssh_host_key.pub
new file mode 100644
index 0000000..b4c0d9c
--- /dev/null
+++ b/ekman/manage/ssh_host_key.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOkSSuHkieXwgFMKRy4MjwjNrJEItWbQHeAAH+Zn1YZp root@localhost
diff --git a/ekman/mounts.nix b/ekman/mounts.nix
new file mode 100644
index 0000000..73bfacc
--- /dev/null
+++ b/ekman/mounts.nix
@@ -0,0 +1,140 @@
+{ lib, config, ... }:
+with lib;
+let
+  cfg = config.cluster.mounts;
+
+  options =
+    [ "soft" "defaults" "vers=4.2" ] ++
+    (if cfg.automount.enable then [ "noauto" "x-systemd.automount" ] else []);
+
+  users =
+    if cfg.users then {
+<<<<<<<< HEAD:rossby/mounts.nix
+      "/users" = {
+        device = "172.16.239.222:/home";
+========
+      "/frontend" = {
+        device = "10.255.241.100:/home";
+>>>>>>>> ekman:ekman/mounts.nix
+        fsType = "nfs4";
+        options = [
+          "soft"
+          "defaults"
+          "noauto"
+          "x-systemd.automount"
+        ];
+      };
+    } else {};
+
+  opt =
+    let
+      server = "172.16.239.222";
+    in
+    if cfg.opt then {
+      "/opt/bin" = {
+        device = "${server}:/opt/bin";
+        fsType = "nfs4";
+        inherit options;
+      };
+      "/opt/sif" = {
+        device = "${server}:/opt/sif";
+        fsType = "nfs4";
+        inherit options;
+      };
+      "/opt/singularity" = {
+        device = "${server}:/opt/singularity";
+        fsType = "nfs4";
+        inherit options;
+      };
+    } else {};
+
+  data =
+      if cfg.ceph then {
+        "/data" = {
+          device = "/ceph";
+          options = [ "bind" ];
+        };
+      } else {};
+
+  work =
+      if cfg.work then {
+        "/work" = {
+          device = "172.16.240.210:/work";
+          fsType = "nfs4";
+          options =  options ++ (if cfg.rdma.enable then [ "rdma" ] else []);
+        };
+    } else {};
+
+  ceph  =
+    if cfg.ceph then {
+        "/ceph" = {
+          device = "oceanbox@.data=/";
+          fsType = "ceph";
+          options = [
+            "mon_addr=172.16.239.211/172.16.239.212/172.16.239.213:6789"
+            "_netdev"
+          ];
+        };
+      } else {};
+
+<<<<<<<< HEAD:rossby/mounts.nix
+  fileSystems = users // opt // data // work // ceph;
+========
+  fileSystems = users // opt // data // work // backup // ceph;
+>>>>>>>> ekman:ekman/mounts.nix
+
+  automount = mountpoint:
+      if cfg.automount.enable && builtins.hasAttr mountpoint fileSystems then
+        [{
+          wantedBy = [ "multi-user.target" ];
+          automountConfig = {
+            TimeoutIdleSec = "600";
+          };
+          where = mountpoint;
+        }]
+      else [];
+
+  automounts =
+      [] ++
+      automount "/work" ++
+      automount "/opt" ++
+      automount "/backup" ++
+      automount "/data";
+
+  cephConf =
+   if cfg.ceph then {
+      "ceph/ceph.conf" = {
+        text = ''
+          [global]
+          mon_host = 172.16.239.211:6789,172.16.239.212:6789,172.16.239.213:6789
+          log file = /tmp/ceph-$pid.log
+          [client.oceanbox]
+          key = replaceme
+          [client.rbd]
+          key = replaceme
+        '';
+        mode = "0660";
+        group = "admin";
+      };
+    } else {};
+
+in
+{
+  options.cluster.mounts = {
+    rdma.enable = mkEnableOption "Enable NFS over RDMA";
+    gbe100.enable = mkEnableOption "Enable NFS over 100 GbE";
+    automount.enable = mkEnableOption "Enable NFS automounting";
+    users = mkEnableOption "Enable /users";
+    opt = mkEnableOption "Enable /opt";
+    data = mkEnableOption "Enable /data";
+    work = mkEnableOption "Enable /work";
+    ceph = mkEnableOption "Enable /ceph";
+  };
+
+  config = {
+    fileSystems = fileSystems;
+    environment.etc = cephConf;
+    systemd.automounts = automounts;
+    boot.kernelModules = [ "rbd" ];
+  };
+}
diff --git a/ekman/munge.key b/ekman/munge.key
new file mode 100644
index 0000000..0aeca32
--- /dev/null
+++ b/ekman/munge.key
@@ -0,0 +1,2 @@
+çŁ/iką/¨÷|ńRŻEĽRŽ$ĂQfj5ˇrdĐĄś7“{˘–99âTÂîۛĂi‹ÄŒ‰–,ЌÍhçďŮ8töv:%‘T”
+|ČÚČ´ţΕ§VŒ00w|ŸĎŽ÷íŕ|Č_ŸY{3L_!F1TdÔ&F7ő™B°R
\ No newline at end of file
diff --git a/ekman/myvnc.nix b/ekman/myvnc.nix
new file mode 100644
index 0000000..41846be
--- /dev/null
+++ b/ekman/myvnc.nix
@@ -0,0 +1,44 @@
+{ pkgs, lib, config, ... }:
+with lib;
+let
+  cfg = config.features.myvnc;
+
+  myvnc = pkgs.writeScriptBin "myvnc" ''
+    #!${pkgs.runtimeShell}
+
+    uid=`id -u`
+    port=$((9000+$uid))
+    shell=`getent passwd $(id -un) | awk -F : '{print $NF}'`
+    vnc=${pkgs.turbovnc}/bin/vncserver
+    # vnc=/nix/store/czp2b60dwk75widi8y287hr0xx1wgv2a-tigervnc-1.10.1/bin/vncserver
+
+    case $1 in
+    -p|--port) shift; port=$1 ;;
+    kill|stop)
+        display=$($vnc -list | sed  -n 's/^\(:[0-9]\+\).*/\1/p'| head -1)
+        $vnc -kill $display
+        exit 0
+        ;;
+    esac
+    ps ax | sed '/grep/d' | grep "Xvnc.*-rfbport $port" >/dev/null 2>&1
+    [ $? = 1 ] && $vnc -rfbport $port
+    echo "Xvnc server is running on port $port."
+    # exec $shell -i
+  '';
+
+  configuration = {
+      services.xserver.windowManager.fluxbox.enable = true;
+      environment.systemPackages = with pkgs; [
+          alacritty
+          myvnc
+      ];
+  };
+in {
+  options.features.myvnc = {
+    enable = mkEnableOption "Enable mynvc script";
+  };
+
+  config = mkMerge [
+    (mkIf config.features.myvnc.enable configuration)
+  ];
+}
diff --git a/ekman/overlays.nix b/ekman/overlays.nix
new file mode 100644
index 0000000..87e6e6f
--- /dev/null
+++ b/ekman/overlays.nix
@@ -0,0 +1,31 @@
+self: super:
+let
+  msmtp = super.msmtp.overrideAttrs (attrs: rec {
+    configureFlags = attrs.configureFlags ++ [ "--with-tls=openssl" ];
+    buildInputs = attrs.buildInputs ++ [ super.openssl ];
+  });
+
+  lib = super.lib;
+  squashfsTools = super.squashfsTools;
+  cryptsetup = super.cryptsetup;
+
+  singularity = super.singularity.overrideAttrs (attrs: rec {
+      installPhase = ''
+        runHook preInstall
+        make -C builddir install LOCALSTATEDIR=$out/var
+        chmod 755 $out/libexec/singularity/bin/starter-suid
+
+        # Explicitly configure paths in the config file
+        sed -i 's|^# mksquashfs path =.*$|mksquashfs path = ${lib.makeBinPath [squashfsTools]}/mksquashfs|' $out/etc/singularity/singularity.conf
+        sed -i 's|^# cryptsetup path =.*$|cryptsetup path = ${lib.makeBinPath [cryptsetup]}/cryptsetup|' $out/etc/singularity/singularity.conf
+        sed -i 's|^shared loop devices = no|shared loop devices = yes|' $out/etc/singularity/singularity.conf
+
+        runHook postInstall
+      '';
+  });
+in
+{
+    inherit singularity;
+    # inherit msmtp;
+}
+
diff --git a/rossby/c0/default.nix b/rossby/c0/default.nix
index 757a23d..e5e0519 100644
--- a/rossby/c0/default.nix
+++ b/rossby/c0/default.nix
@@ -35,7 +35,11 @@ let
 
   mkCompute = host:
   let
+<<<<<<<< HEAD:rossby/c0/default.nix
     hw = ./hardware-config.d + "/${host.name}.nix";
+========
+    hw = ./hardware-configuration.d + "/${host.name}.nix";
+>>>>>>>> ekman:ekman/c0/default.nix
   in {
     "${host.name}" = {
       cluster = {
diff --git a/rossby/default.nix b/rossby/default.nix
index 0cf67cc..a322082 100644
--- a/rossby/default.nix
+++ b/rossby/default.nix
@@ -99,7 +99,11 @@ let
 
     networking = {
       domain = mkDefault "cluster.local";
+<<<<<<<< HEAD:rossby/default.nix
       defaultGateway = mkDefault "172.16.239.1";
+========
+      defaultGateway = mkDefault "10.255.241.1";
+>>>>>>>> ekman:ekman/default.nix
       nameservers = mkDefault [ "8.8.8.8" ];
       search = mkDefault [];
       extraHosts = import ./hosts.nix;
@@ -144,12 +148,22 @@ let
         mungeKey = ./munge.key;
         mungeUid = mkDefault 994; # hack
         # pkey = "0x7666";
+<<<<<<<< HEAD:rossby/default.nix
         controlMachine = "rossby-manage";
         mailDomain = "oceanbox.io";
         nodeName = [
           "c0-[1-16] Sockets=2 CoresPerSocket=64 ThreadsPerCore=1 RealMemory=256000 TmpDisk=500000 State=UNKNOWN"
           "rossby-login Sockets=2 CoresPerSocket=64 ThreadsPerCore=1 RealMemory=256000 TmpDisk=500000 State=UNKNOWN"
           "rossby-manage Sockets=2 CoresPerSocket=64 ThreadsPerCore=1 RealMemory=256000 TmpDisk=500000 State=UNKNOWN"
+========
+        controlMachine = "ekman-manage";
+        mailDomain = "oceanbox.io";
+        nodeName = [
+          "c0-[1-18] Sockets=2 CoresPerSocket=64 ThreadsPerCore=1 RealMemory=256000 TmpDisk=500000 State=UNKNOWN"
+          "c1-[1-8] Sockets=1 CoresPerSocket=64 ThreadsPerCore=1 RealMemory=256000 TmpDisk=100000 State=UNKNOWN"
+          "ekman Sockets=2 CoresPerSocket=64 ThreadsPerCore=2 RealMemory=256000 TmpDisk=500000 State=UNKNOWN"
+          "ekman-manage Sockets=2 CoresPerSocket=16 ThreadsPerCore=2 RealMemory=92000 TmpDisk=200000 State=UNKNOWN"
+>>>>>>>> ekman:ekman/default.nix
         ];
         partitionName = [
           "batch Nodes=c0-[1-16] Default=YES MaxTime=INFINITE State=UP"
@@ -197,8 +211,13 @@ let
         initca = ./ca;
         cidr = "10.10.0.0/16";
         master = {
+<<<<<<<< HEAD:rossby/default.nix
           name = "rossby-manage";
           address = "172.16.239.221";
+========
+          name = "ekman-manage";
+          address = "10.255.241.99";
+>>>>>>>> ekman:ekman/default.nix
           # extraSANs = [
           #     "rossby-manage.oceanbox.io"
           # ];
@@ -237,17 +256,41 @@ let
     };
 
     programs.ssh.knownHosts = {
+<<<<<<<< HEAD:rossby/default.nix
       rossby-manage = {
         hostNames = [
           "manage" "manage.compute.local" "rossby-manage.oceanbox.io" "172.16.239.221" "172.16.240.221"
+========
+      ekman-manage = {
+        hostNames = [
+          "ekman-manage" "ekman-manage.cluster.local" "frontend.oceanbox.io" "10.255.241.99" "10.255.243.99"
+>>>>>>>> ekman:ekman/default.nix
         ];
         publicKeyFile = ./manage/ssh_host_key.pub;
       };
       rossby-login = {
         hostNames = [
+<<<<<<<< HEAD:rossby/default.nix
           "rossby" "rpssby-login" "rossby-login.compute.local" "rossby.compute.local" "rossby.oceanbox.io" "172.16.239.222" "172.16.240.222"
         ];
         publicKeyFile = ./login/ssh_host_key.pub;
+========
+          "ekman" "ekman.cluster.local" "ekman.oceanbox.io" "10.255.241.100" "10.255.243.100"
+        ];
+        publicKeyFile = ./logon/ssh_host_key.pub;
+      };
+      fs-work = {
+        hostNames = [
+          "fs-work" "fs-work.cluster.local" "10.255.241.90" "10.255.243.90"
+        ];
+        publicKeyFile = ./fs-work/ssh_host_key.pub;
+      };
+      fs-backup = {
+        hostNames = [
+          "fs-backup" "fs-backup.cluster.local" "10.255.241.80" "10.255.243.80"
+        ];
+        publicKeyFile = ./fs-backup/ssh_host_key.pub;
+>>>>>>>> ekman:ekman/default.nix
       };
       # fs-work = {
       #   hostNames = [
@@ -261,9 +304,15 @@ let
           "${x.name}" = {
               hostNames = [
                   "${x.name}"
+<<<<<<<< HEAD:rossby/default.nix
                   "${x.name}.compute.local"
                   "172.16.239.${n}"
                   "172.16.240.${n}"
+========
+                  "${x.name}.cluster.local"
+                  "10.255.241.${n}"
+                  "10.255.243.${n}"
+>>>>>>>> ekman:ekman/default.nix
               ];
               publicKeyFile = x.pubkey;
           };
diff --git a/hive.nix b/rossby/hive.nix
similarity index 74%
rename from hive.nix
rename to rossby/hive.nix
index b504449..b74abfe 100644
--- a/hive.nix
+++ b/rossby/hive.nix
@@ -12,11 +12,11 @@ let
           allowLocalDeployment = true;
           targetHost = null;
       };
-      imports = [ ./rossby/manage ];
+      imports = [ ./manage ];
   };
 
-  rossby-login = import ./rossby/login { inherit pkgs; };
-  c0 = import ./rossby/c0 { inherit pkgs; };
-  fs-work = import ./rossby/fs-work { inherit pkgs; };
+  rossby-login = import ./login { inherit pkgs; };
+  c0 = import ./c0 { inherit pkgs; };
+  fs-work = import ./fs-work { inherit pkgs; };
 in
     { inherit rossby-manage; } // rossby-login // c0 // fs-work
diff --git a/rossby/login/default.nix b/rossby/login/default.nix
index eef6fa7..94baae8 100644
--- a/rossby/login/default.nix
+++ b/rossby/login/default.nix
@@ -113,10 +113,17 @@ in
     networking = {
       useDHCP = false;
       hostName = name;
+<<<<<<<< HEAD:rossby/login/default.nix
       interfaces.enp129s0f0 = {
         useDHCP = false;
         ipv4.addresses = [ {
           inherit address;
+========
+      interfaces.enp33s0f3np3 = {
+        useDHCP = false;
+        ipv4.addresses = [ {
+          address = address;
+>>>>>>>> ekman:ekman/login/default.nix
           prefixLength = 24;
         } ];
         # ipv4.routes = [
diff --git a/rossby/mounts.nix b/rossby/mounts.nix
index 18520eb..73bfacc 100644
--- a/rossby/mounts.nix
+++ b/rossby/mounts.nix
@@ -9,8 +9,13 @@ let
 
   users =
     if cfg.users then {
+<<<<<<<< HEAD:rossby/mounts.nix
       "/users" = {
         device = "172.16.239.222:/home";
+========
+      "/frontend" = {
+        device = "10.255.241.100:/home";
+>>>>>>>> ekman:ekman/mounts.nix
         fsType = "nfs4";
         options = [
           "soft"
@@ -72,7 +77,11 @@ let
         };
       } else {};
 
+<<<<<<<< HEAD:rossby/mounts.nix
   fileSystems = users // opt // data // work // ceph;
+========
+  fileSystems = users // opt // data // work // backup // ceph;
+>>>>>>>> ekman:ekman/mounts.nix
 
   automount = mountpoint:
       if cfg.automount.enable && builtins.hasAttr mountpoint fileSystems then