This article will guide you on the different methods through which you can effectively reboot your #Ubuntu 20.04 system without any difficulty.
To #reboot immediately, append the -r flag: $ sudo shutdown -r now.
To power down immediately: $ sudo shutdown -P now.
You can use the poweroff #command: $ poweroff.
To reboot after 10 minutes: $ sudo shutdown -r 10.
To reboot Linux using the command line:
- To reboot the Linux system from a terminal session, sign in or "su"/"sudo" to the "root" account.
- Then type " sudo reboot " to reboot the box.
- Wait for some time and the Linux server will reboot itself.
https://linuxapt.com/blog/90-how-to-reboot-ubuntu-20-04-lts