# Boot configuration { ... }: { # Use the GRUB 2 boot loader. boot.loader.grub.enable = true; boot.loader.grub.version = 2; # Define on which hard drive you want to install Grub. boot.loader.grub.device = "/dev/sda"; boot.initrd.availableKernelModules = [ "uhci_hcd" "ahci" "usbhid" ]; boot.initrd.kernelModules = [ "dm-snapshot" ]; boot.kernelModules = [ "kvm-intel" ]; boot.extraModulePackages = [ ]; }