Enabling SSH service from command line in MacOS can be done using with some brief commands without using the GUI (Sytem preferences). To do that, open an Terminal window and run the following commands: $ systemsetup -setremotelogin on $ sudo sudo launchctl load -w /System/Library/LaunchDaemons/ssh.plist To disable remote login (SSH): $ systemsetup -setremotelogin off Do you really want to turn remote login off? If you do, you will lose this connection and can only turn it back on locally Read more...