The preceding recipe is pretty slim, but there is a fair bit of assumption and knowledge that you need to know about in regards to sudo. First, be careful. Second, be more careful. And finally, take care to keep your account secure with adequate password policies:
- In step one, we tried to run two commands that require user permissions. Normally, rebooting or halting a system requires privilege escalation (unless done through the GUI). The shutdown -c command cancels a shutdown. If you used shutdown -h now, the system would shut down immediately. This cannot be stopped.
- In the second step, we use the new visudo command to make edits to the /etc/sudoers file. In bold, Cmnd_Alias allows you define a group of commands, however, ...
