anchor.diff:  
     users.users.ch1bo = {
       isNormalUser = true;
  -    extraGroups = [ "wheel" "networkmanager" "docker" ];
  +    extraGroups = [ "wheel" "networkmanager" "docker" "scanner" ];
       uid = 1000;
     };
   
  
positive.code:   services.xserver.layout = "us";
    services.xserver.xkbOptions = "eurosign:e";
  
    # Enable CUPS to print documents.
    services.printing.enable = true;
  
    # Bluetooth support (bluez)
    hardware.bluetooth.enable = true;
    services.blueman.enable = true;
  
negative.code:   boot.extraModprobeConfig = ''
      options snd slots=snd-hda-intel
    '';
  
    # Printing
    services.printing.enable = true;
    services.printing.drivers = [ pkgs.gutenprint ];
  
    # Scanning
    hardware.sane.enable = true;
  
    # Docker deamon
    virtualisation.docker.enable = true;
  