anchor.diff:        ./hardware-configuration.nix
       ];
   
  -  # allow installation of 'ati_unfree' video driver
  -#  nixpkgs.config.allowUnfree = true;
  +  # allow installation of 'ati_unfree' video driver and also Firefox with Flash
  +  nixpkgs.config.allowUnfree = true;
   
     # Use the GRUB 2 boot loader.
     boot.loader.grub.enable = true;
  
positive.code:     uid = 1000;
    };
  
    # List packages installed in system profile. To search by name, run:
    # $ nix-env -qaP | grep wget
    environment.systemPackages = with pkgs; [
  
negative.code:     glxinfo
  
      # Browsers and multimedia
      firefoxWrapper
      chromium
      aria2
      rtorrent
  