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Managing Users in Linux
In this lab, we are going to manage users and groups to get some practice using these utilities. Knowing how to manage users and permissions means our servers will be more secure. *This course is not approved or sponsored by Red Hat.*

Lab Info
Table of Contents
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Challenge
Add the Users to the Server
To add users to the system we can run
useradd <username>
So we would run
useradd tstark
useradd cdanvers
useradd dprince
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Challenge
Create the `superhero` Group
To create a new group we would run
groupadd <groupname>
So for this task
groupadd superhero
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Challenge
Set `wheel` Group as the the `tstark` Account's Primary Group
For this task we would run
usermod
like thisusermod -g wheel tstark
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Challenge
Add `superhero` as a Supplementary Group on All Three Users
There isn't an easy way to do this all at once, so we need to run the following command for each user
usermod -aG superhero <username>
So
usermod -aG superhero tstark
usermod -aG superhero dprince
usermod -aG superhero cdanvers
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Challenge
Lock the `dprince` Account
To lock an account all we have to do is run:
usermod -L dprince
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