Working with User and Group IDs

Libraries: If you want this lab, consider one of these libraries.
Cloud

Working with User and Group IDs

In this hands-on lab, we will practice working with user and group IDs. Understanding how user IDs function gives you the knowledge needed to prevent ID collisions with external authentication sources.

Get started Contact sales

Lab Info

Level

Beginner

Last updated

Sep 14, 2025

Duration

45m

Challenge

Determine the UID Scheme
1. Run the following command:
```
cat /etc/passwd
```
1. Determine the UID range for system users (root, chrony, etc.).
2. Determine the UID range for standard users (cloud_user, jbillings, etc.).
3. Determine the absolute highest UID value for the current users.
4. Choose a higher value for where UIDs on a remote host should begin.
Challenge

Determine the GID Scheme
1. Run the following command:
```
cat /etc/group
```
1. Determine the highest GID value.
2. Choose a higher value for where GIDs on a remote host should begin.

About the author

Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

Real skill practice before real-world application

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Learn by doing

Engage hands-on with the tools and technologies you’re learning. You pick the skill, we provide the credentials and environment.

Follow your guide

All labs have detailed instructions and objectives, guiding you through the learning process and ensuring you understand every step.

Turn time into mastery

On average, you retain 75% more of your learning if you take time to practice. Hands-on labs set you up for success to make those skills stick.