anchor.diff:    # networking.hostName = "nixos"; # Define your hostname.
     # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
   
  +  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
  +  # Per-interface useDHCP will be mandatory in the future, so this generated config
  +  # replicates the default behaviour.
  +  networking.useDHCP = false;
  +  networking.interfaces.vboxnet0.useDHCP = true;
  +  networking.interfaces.wlp2s0.useDHCP = true;
  +
  +  # Configure network proxy if necessary
  +  # networking.proxy.default = "http://user:password@proxy:port/";
  +  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
  +
     # Select internationalisation properties.
  -  # i18n = {
  -  #   consoleFont = "Lat2-Terminus16";
  -  #   consoleKeyMap = "us";
  -  #   defaultLocale = "en_US.UTF-8";
  +  # i18n.defaultLocale = "en_US.UTF-8";
  +  # console = {
  +  #   font = "Lat2-Terminus16";
  +  #   keyMap = "us";
     # };
   
     # Set your time zone.
     # time.timeZone = "Europe/Amsterdam";
   
  -  # List packages installed in system profile. To search by name, run:
  -  # $ nix-env -qaP | grep wget
  +  # List packages installed in system profile. To search, run:
  +  # $ nix search wget
     # environment.systemPackages = with pkgs; [
     #   wget vim
     # ];
   
     # Some programs need SUID wrappers, can be configured further or are
     # started in user sessions.
  -  # programs.bash.enableCompletion = true;
     # programs.mtr.enable = true;
  -  # programs.gnupg.agent = { enable = true; enableSSHSupport = true; };
  +  # programs.gnupg.agent = {
  +  #   enable = true;
  +  #   enableSSHSupport = true;
  +  #   pinentryFlavor = "gnome3";
  +  # };
   
     # List services that you want to enable:
   
  
positive.code:   # services.xserver.desktopManager.plasma5.enable = true;
  
    # Define a user account. Don't forget to set a password with ‘passwd’.
    # users.extraUsers.guest = {
    #   isNormalUser = true;
    #   uid = 1000;
    # };
  
    # This value determines the NixOS release with which your system is to be
    # compatible, in order to avoid breaking some software such as database
    # servers. You should change this only after NixOS release notes say you
    # should.
    system.stateVersion = "16.03"; # Did you read the comment?
  
  }
  
negative.code:   # Enable CUPS to print documents.
    # services.printing.enable = true;
  
    # Enable sound.
    # sound.enable = true;
    # hardware.pulseaudio.enable = true;
  
    # Enable the X11 windowing system.
    # services.xserver.enable = true;
    # services.xserver.layout = "us";
  