Change to root
$ su - Password:
adduser mynewuser
Now set the password for the new user:
passwd mynewuser
Step 2: Grant Root Privileges to the User
For a refresher on editing files with vim see: New User Tutorial: Overview of the Vim Text Editor
visudo
Find the following code:
## Allow root to run any commands anywhere root ALL=(ALL) ALL
In this case, we’re granting root privileges to the user mynewuser . Add the following below that code:
mynewuser ALL=(ALL) ALL