_: { imports = [ <nixpkgs/nixos/modules/profiles/qemu-guest.nix> ]; boot.loader.grub = { device = "/dev/sda"; splashImage = null; }; boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "sd_mod" "sr_mod" ]; fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; }; }