Jack Wallen walks you through creating new users and groups on Linux and adding those new users to the new groups.

sudo usermod -aG sudo USER Where USER is the new username. You’ve just created a new user and given them sudo privileges on Ubuntu Server. How to create a sudo-able user on CentOS ...

If you administer a Linux server, you likely will have to create users and groups. You will be limited in a few crucial ways without knowing how to create users. First off, new users cannot be ...