nixos/hosts/alpha/hardware.nix

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2024-02-24 02:33:59 +01:00
{ config, lib, pkgs, modulesPath, ... }: {
# https://nixos.wiki/wiki/Install_NixOS_on_Hetzner_Cloud
imports = [
(modulesPath + "/profiles/qemu-guest.nix")
];
boot.initrd.availableKernelModules = [ "xhci_pci" "virtio_pci" "virtio_scsi" "usbhid" "sr_mod" ];
boot.initrd.kernelModules = [ "dm-snapshot" "virtio_gpu" ];
boot.kernelParams = [ "console=tty" ];
boot.kernelModules = [ ];
boot.extraModulePackages = [ ];
# https://elis.nu/blog/2020/05/nixos-tmpfs-as-root/
fileSystems."/" = {
device = "none";
fsType = "tmpfs";
options = [ "defaults" "size=2G" "mode=755" ]; # mode=755 so only root can write to those files
};
fileSystems."/boot" = {
device = "/dev/disk/by-label/BOOT";
fsType = "vfat";
};
fileSystems."/nix" = {
device = "/dev/disk/by-label/nix";
neededForBoot = true;
fsType = "ext4";
};
swapDevices = [
{
device = "/nix/persist/swapfile";
size = 4 * 1024; # 4 GiB
}
];
# Enables DHCP on all ethernet and wireless LAN interfaces.
networking.useDHCP = lib.mkDefault true;
nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
}