grimm-nixos-laptop/specific/grimmauld-nixos-server/hardware-configuration.nix

{ modulesPath, ... }:
{
  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
  boot.loader.grub.device = "/dev/sda";
  boot.initrd.availableKernelModules = [
    "ata_piix"
    "uhci_hcd"
    "xen_blkfront"
    "vmw_pvscsi"
  ];
  boot.initrd.kernelModules = [ "nvme" ];
  fileSystems."/" = {
    device = "/dev/sda3";
    fsType = "ext4";
  };

  environment.sessionVariables = {
    OMP_NUM_THREADS = "8";
  };
}