{config, ... }: {
  # Enable video drivers                              
  services.xserver.videoDrivers = ["nvidia"];         

  hardware.nvidia = {                                 
    modesetting.enable = true;
    nvidiaSettings = false;
    package = config.boot.kernelPackages.nvidiaPackages.beta;
    open = true;
  };

  pkgs.stdenv.mkDerivation {
  name = "cuda-env-shell";
  buildInputs = with pkgs; [
    cudatoolkit
  ];
  shellHook = ''
    export CUDA_PATH=${pkgs.cudatoolkit}
    export EXTRA_LDFLAGS="-L/lib -L${pkgs.linuxPackages.nvidia_x11}/lib"
    export EXTRA_CCFLAGS="-I/usr/include"
  '';
}