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How to Add a User and Grant Root Privileges on CentOS 6.5

Pre-Flight Check

These instructions are intended specifically for adding a user on CentOS 6.5.
I’ll be working from a Liquid Web Core Managed CentOS 6.5 server, and I’ll be logged in as root.

Step 1: Add the User

It’s just one simple command to add a user. In this case, we’re adding a user called mynewuser :

Now set the password for the new user:

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

Find the following code:

## Allow root to run any commands anywhere

In this case, we’re granting root privileges to the user mynewuser . Add the following below that code:

Then exit and save the file with the command :wq .

If you’ve followed the instruction above correctly, then you should now have a user setup by the name of mynewuser which can use sudo to run commands as root!

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