The visudo command for Linux allows a user to edit the sudoers file and change permissions for users on the system. Open the sudoers file this way. NEVER edit it with a standard text editor. ┌─[[email protected]]─[~] └──╼ $su Password: [email protected]:/home/jason# visudo This is the result of my editing. I have added the user jason to …

This is how to rerun a previous command with sudo if you forgot the sudo command to elevate privileges. Here I have tried to cat a file and I have forgotten to elevate my privileges with the sudo command. [email protected] ~ $ cat /etc/shadow cat: /etc/shadow: Permission denied Instead of re-typing the command; I just …