Rodrigo Arias Mallo
5867ded0ab
The UPC has different dates for the yearly power cut, and Fox can recover properly from a power loss, so we don't need to have it turned off before the power cut. Simply disabling the timer is enough.
85 lines
2.6 KiB
Nix
85 lines
2.6 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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../module/nvidia.nix
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];
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# Don't turn off on August as UPC has different dates.
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# Fox works fine on power cuts.
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systemd.timers.august-shutdown.enable = false;
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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" "amd_uncore" ];
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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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# Disable NUMA balancing
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boot.kernel.sysctl."kernel.numa_balancing" = 0;
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# Expose kernel addresses
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boot.kernel.sysctl."kernel.kptr_restrict" = 0;
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services.openssh.settings.X11Forwarding = true;
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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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# Recommended for new graphics cards
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hardware.nvidia.open = true;
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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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