{ config, pkgs, ... }:
{
  environment.systemPackages = with pkgs; [
    xorg.xmodmap
  ];
  # Configure keymap in X11
  services.xserver.layout = "us";
  services.xserver.xkbVariant = "dvorak-alt-intl";
  services.xserver.displayManager.sessionCommands =
    "${pkgs.xorg.xmodmap}/bin/xmodmap ${pkgs.writeText  "xkb-layout" ''
            keycode 108 = Mode_switch
            keycode  94 = Shift_L NoSymbol Shift_L
            keysym a = a A adiaeresis Adiaeresis
            keysym o = o O odiaeresis Odiaeresis
            keysym u = u U udiaeresis Udiaeresis
            keysym s = s S ssharp
        ''}";
}