anchor.diff:    # ssh
     services.openssh.enable = true;
     programs.ssh.startAgent = true;
  +
  +  # Android Debug Bridge
  +  programs.adb.enable = true;
  +  users.extraUsers.xvapx.extraGroups = [ "adbusers" ];
    
     # smartd to monitor HDD health
     services.smartd = {
  
positive.code:     openssl.dev
      python
      zlib.dev
  
      # editors
      fontforge
  
negative.code:       { device = "/dev/sdb"; options = "-d sat"; }
      ];
      defaults.monitored = "-a -o on -S on -s (O/../.././(00|06|12|18)|S/../.././03|L/../../1/04) -W 5,35,45";
    };
  
    # redshift
    services.redshift = {
      enable = true;
      latitude = "41.421000";
      longitude = "2.155000";
    };
  
    # NixOS Manual
  