Add new fox machine

Reviewed-by: Aleix Boné <abonerib@bsc.es>

m/fox/configuration.nix

@@ -0,0 +1,38 @@
+{ lib, config, pkgs, ... }:
+
+{
+  imports = [
+    ../common/xeon.nix
+    ../module/ceph.nix
+    ../module/emulation.nix
+    ../module/slurm-client.nix
+    ../module/slurm-firewall.nix
+  ];
+
+  # Select the this using the ID to avoid mismatches
+  boot.loader.grub.device = "/dev/disk/by-id/wwn-0x500a07514b0c1103";
+
+  # No swap, there is plenty of RAM
+  swapDevices = lib.mkForce [];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
+  boot.kernelModules = [ "kvm-amd" ];
+
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  hardware.cpu.intel.updateMicrocode = lib.mkForce false;
+
+  networking = {
+    hostName = "fox";
+    interfaces.enp1s0f0np0.ipv4.addresses = [ {
+      address = "10.0.40.26";
+      prefixLength = 24;
+    } ];
+  };
+
+  # Configure Nvidia driver to use with CUDA
+  hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.production;
+  hardware.graphics.enable = true;
+  nixpkgs.config.allowUnfree = true;
+  nixpkgs.config.nvidia.acceptLicense = true;
+  services.xserver.videoDrivers = [ "nvidia" ];
+}