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

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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 : 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 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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