76 lines
2.5 KiB
Nix
76 lines
2.5 KiB
Nix
{ lib, config, pkgs, ... }:
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{
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imports = [
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../common/base.nix
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../common/xeon/console.nix
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../module/emulation.nix
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];
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# Select the this using the ID to avoid mismatches
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boot.loader.grub.device = "/dev/disk/by-id/wwn-0x500a07514b0c1103";
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# No swap, there is plenty of RAM
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swapDevices = lib.mkForce [];
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boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
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boot.kernelModules = [ "kvm-amd" ];
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hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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hardware.cpu.intel.updateMicrocode = lib.mkForce false;
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# Use performance for benchmarks
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powerManagement.cpuFreqGovernor = "performance";
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networking = {
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timeServers = [ "ntp1.upc.edu" "ntp2.upc.edu" ];
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hostName = "fox";
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# UPC network (may change over time, use DHCP)
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# Public IP configuration:
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# - Hostname: fox.ac.upc.edu
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# - IP: 147.83.30.141
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# - Gateway: 147.83.30.130
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# - NetMask: 255.255.255.192
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# Private IP configuration for BMC:
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# - Hostname: fox-ipmi.ac.upc.edu
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# - IP: 147.83.35.27
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# - Gateway: 147.83.35.2
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# - NetMask: 255.255.255.0
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interfaces.enp1s0f0np0.useDHCP = true;
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};
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# Use hut for cache
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nix.settings = {
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extra-substituters = [ "https://jungle.bsc.es/cache" ];
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extra-trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
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};
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# Configure Nvidia driver to use with CUDA
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hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.production;
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hardware.graphics.enable = true;
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nixpkgs.config.allowUnfree = true;
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nixpkgs.config.nvidia.acceptLicense = true;
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services.xserver.videoDrivers = [ "nvidia" ];
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# Mount NVME disks
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fileSystems."/nvme0" = { device = "/dev/disk/by-label/nvme0"; fsType = "ext4"; };
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fileSystems."/nvme1" = { device = "/dev/disk/by-label/nvme1"; fsType = "ext4"; };
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# Make a /nvme{0,1}/$USER directory for each user.
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systemd.services.create-nvme-dirs = let
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# Take only normal users in fox
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users = lib.filterAttrs (_: v: v.isNormalUser) config.users.users;
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commands = lib.concatLists (lib.mapAttrsToList
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(_: user: [
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"install -d -o ${user.name} -g ${user.group} -m 0755 /nvme{0,1}/${user.name}"
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]) users);
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script = pkgs.writeShellScript "create-nvme-dirs.sh" (lib.concatLines commands);
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in {
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enable = true;
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wants = [ "local-fs.target" ];
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after = [ "local-fs.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig.ExecStart = script;
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};
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}
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