If I have disable recovery option and someone still get's to root using the ro recovery nomodeset how do I password protect root?

Question

If I have disable recovery option and someone still get's to root using the ro recovery nomodeset how do I password protect root? I know how to block the recovery just Want it to require a password every time you use a command in root

Answer 1

I found out that is was really simple, all you have to do is run the following command and it adds a password to root.sudo passwd root.