HOWTO add user to sudoers list in Debian/Ubuntu

You need to have root access to do that. So the first step to become root with the following command:

ken@debian:~$ su<br /> Password:<br /> debian:/home/ken# visudo<br />

Now you can add a username to the list. For example:

<br /> ken ALL=(ALL) ALL<br />

Save the file to complete the process.

Credit: Ubuntu Forum