# Pastebin P253OeV1
  systemd.services.keylockx = {
    description = "Keep numlock on";
    serviceConfig = {
      ExecStart = "${pkgs.numlockx}/bin/numlockx";
      Environment = "DISPLAY=%i";
    };
    wantedBy = "startup.target";
    after = ["xorg.target"];
  };