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Restarting and shutting down a computer remotely is a frequent task for remote system administrators. As someone that writes many shell scripts, I also find myself automating system restarts. Let’s look at a few ways to restart Mac systems from command line! Restart a Local Mac To restart a local Mac system from command line, you can execute: sudo shutdown -r now Restart a Remote Mac To restart a remote Mac system, you can execute: ssh -l {AdminSystemAddress} sudo shutdown -r now Restart at a Specific Time You can specify a restart at a specific time: # Format: sudo shutdown -r hhmm # Restart at 11:30pm local time sudo shutdown -r 2330 System restarts are good after massive updates... more →