This article will guide you on the different methods to reboot a #CentOS system which includes the keyboard shortcut, command line, and GUI based methods. There's nothing different in running sudo reboot in a instance versus on your own server. This action shouldn't cause any problems. You can shutdown/start/reboot the instance and your data will persist.When used with no arguments, the shutdown command will power off the machine. sudo shutdown. The shutdown process starts after 1 minute, which is the default time interval.It is recommended that you do a #reboot of your Server at least once per month. The Dedicated Hosting Servers are just computers, you would not leave your computer on for months straight without a single reboot, so the same rules apply for servers.To reboot your Linux Server via #SSH:1. Open Command Prompt. If you have a graphical interface, open the terminal by right-clicking the Desktop > left-clicking Open in terminal.2. Use SSH Connection Issue reboot Command. In a terminal window, type: ssh –t [email protected] 'sudo reboot'.