{ pkgs, ... }: { boot.kernelPackages = pkgs.linuxPackages; boot.loader.grub = { enable = true; efiSupport = true; efiInstallAsRemovable = false; version = 2; }; boot.loader.systemd-boot.enable = false; boot.loader.efi.canTouchEfiVariables = true; boot.tmpOnTmpfs = true; # Workaround for nm-pptp to enforce module load boot.kernelModules = [ "nf_conntrack_proto_gre" "nf_conntrack_pptp" ]; }