First of all, you need to make an SSH connection to your server. If you are not sure how to connect to a Linux server, you can access our article by clicking the link here.

After you have made an SSH connection to your server;

To restart the server: reboot

To Shut Down the Server: shutdown

To shut down the server at a specific time (Example: 21.32): shutdown - 21:32

To shut down the server after a specified minute (Example: after 3 minutes): shutdown -h +3

To restart the server after the specified minutes (Example: after 17 minutes): shutdown -r +17