COMMAND SHUTDOWN TIMER HOW TO

It’s just that instead of a shutdown, the system will be restarted. The behavior is the same as the regular shutdown command. To reboot a Linux system using the shutdown command, use the -r option. You can use the Linux shutdown command for rebooting as well. There is a separate reboot command but you don’t need to learn a new command just for rebooting the system. Which means a new user cannot log on to the system within five minutes of the scheduled shutdown.ģ. Needless to say that the reference time and timezone is the system time itself.įive minutes before the scheduled shutdown, the system won’t allow any login activity. If you want to shutdown the system at 4 PM in the afternoon, you can use it in the following manner: sudo shutdown 16:00 You can schedule a shutdown in future by providing the time argument either in +t format or in hh:mm format.įor example, if you want to shutdown the system after 15 minutes, you can use this command: sudo shutdown +15 You can immediately shutdown your system by specifying the scheduled time +0 or now. You don’t always have to wait one minute for the system to shutdown. Unsuspecting Linux users expect the shutdown command to immediately shut down the system but when they see a message like this with timestamp in UTC, they often get confused. Shutdown scheduled for Mon 11:33:36 UTC, use 'shutdown -c' to cancel. So remember that the default time interval for shutdown command in one minute. If you simply use the shutdown command, it will start the shutdown process after one minute.

COMMAND SHUTDOWN TIMER HOW TO

Now that you know the syntax of the shutdown command, let’s see how to use it. 5 practical examples of shutdown command in Linux Hence, you should either be root or run the command with sudo.

Note: The shutdown command needs superuser privileges. message: You can send a custom message to all the logged in users on your Linux system.time: You can specify when to perform the shutdown.options: You can specify if you want to halt, power off, reboot etc.It is unsurprisingly called shutdown.īefore seeing the usage of the shutdown command, let’s first see its syntax. There is a dedicated command to shut down a system in Linux.

Command shutdown timer