Clean Nix Config

configuration.nix

{ config, pkgs, ... }:

{
  # 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";

  # Select internationalisation properties.
  i18n = {
    consoleKeyMap = "dvorak";
    defaultLocale = "en_US.UTF-8";
  };

  # Enable the X11 windowing system.
  services.xserver.enable = true;
  services.xserver.layout = "uk";
  services.xserver.xkbVariant = "dvorak";

  # Enable the KDE Desktop Environment.
  services.xserver.displayManager.kdm.enable = true;
  services.xserver.desktopManager.kde4.enable = true;

  time.timeZone = "Europe/Rome";
}