{ config, pkgs, ... }: { boot = { initrd = { compressor = "lz4"; compressorArgs = ["-9"]; }; kernelPackages = pkgs.linuxPackages_latest; loader = { grub = { enable = true; version = 2; theme = pkgs.nixos-grub2-theme; splashImage = ./boot_pictures/gnu.png; efiSupport = true; device = "nodev"; # only for efi }; efi = { canTouchEfiVariables = true; efiSysMountPoint = "/boot"; }; }; }; }