Reboot Mac Command

 
  1. Command For Mac Reboot
  2. Reboot Mac Command Line

This guide will explain how to shut down or reboot your Mac using the command line. This can be useful if you are controlling a remote machine via SSH, if you are in single-user mode, or if you are having problems within macOS and need to bypass the GUI.

Sudo nvram 'recovery-boot-mode=unused' sudo reboot This sets a firmware variable in nvram indicating that you want to start in Recovery mode on the next boot, and then reboots the machine. When done in Recovery mode, run the following from the Terminal in Recovery mode.

  • Simply hold down the control button and then press the eject key which is usually on the top left of the keyboard on most Apple keyboards. When you press these keys together the shutdown dialog box will appear and you can click on shutdown to turn off the Mac completely.
  • . In terminal type reboot then press the return key to execute that command. The system will restart. As the system is restarting, press and hold down the Command and r keys (command r) until the Recovery M/ode screen appears (have the WiFi nam.

WARNING If you are using your Mac remotely and you have FileVault switched on, ensure that you run the following command before restarting:

Reboot Mac CommandMac

This is necessary because FileVault requires that you unlock your Mac with your password before macOS loads at all — which, obviously, is impossible for a remote user to do. By running sudo fdesetup authrestart, this feature is disabled on a one-time basis.

Shut down your Mac using the command line

Command For Mac Reboot

To shut a Mac down after a specific number of minutes, run (replacing MINUTES with + and then a number):

So, if you want a Mac to shut down after 15 minutes, you’d run:

Restart your Mac using the command line

Reboot Mac Command

This process is almost identical to the shutdown process, but we replace -h with -r in the string. So, to immediately restart the Mac, you’d run:

And to restart a Mac after a specific number of minutes (in this example, 15), you’d run:

Add a message for logged in users

If you want any logged-in users to know that the machine is being rebooted or shut down — and why — you can append a message to the end of your string. For example:

In the above example, the Mac will restart 15 minutes after the command is run, and logged-in users will see the following message:

Shutdown at Fri Feb 1 15:47:46 2019.
shutdown: [pid 26582]

*** System shutdown message from [email protected]***
System going down in 15 minutes

Reboot Mac Command Line

This Mac is being restarted so that it can finish installing crucial updates.

System shutdown time has arrived

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Reboot Mac Command
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