Restarting your Ubuntu system help to solve some problems like software glitch, configuration changes, unable to access system GUI and many more. In Ubuntu you can restart or reboot your system using below methods.
How to Restart Ubuntu Linux
1. The reboot command
Open the terminal application (ctrl+alt+t) and run below command. It will restart your Ubuntu Linux system.
sudo reboot
[OR]
reboot
2. The shutdown command
You can also restart your Ubuntu system via the shutdown command with -r flag like below command.
sudo shutdown -r
You can also schedule the reboot like below
sudo shutdown -r +5
The above command will reboot your system after 5 minutes.
3. The init command
Use the init command like below to restart your system.
init 6