How to shutdown Ubuntu Server
You can shoutdown ubuntu server by following command
sudo poweroff
shutdown ubuntu at schedule time
You can shoutdown ubuntu at schedule time by following command
To shutdown ubuntu / linux at 11:30 pm, type
$ sudo shutdown -h 23:30 "Your server is going down for maintenance"
User will get message at 11.15 pm for server down and at 11:30 server will shutdown. User will get message 15 minutes ago.
How to reboot ubuntu server?
You can reboot ubutu server by following command
sudo reboot