anchor.diff:        autoLoadConntrackHelpers = false;
       };
     };
  +
  +  nix = {
  +    package = pkgs.nixFlakes; 
  +    extraOptions = ''
  +     experimental-features = nix-command flakes
  +    '';
  +   };
   
     security.sudo.enable = true;
     security.polkit.enable = true;
  
positive.code:     mplayer
      mpv
      msmtp
      nailgun
      ncdu
      ncurses
  
negative.code:       ./hardware-configuration.nix
        ./private.nix
      ];
  
  
    # Use the systemd-boot EFI boot loader.
    boot.loader.systemd-boot.enable = true;
  