Learn by Doing.
Fix by Understanding.
Improve your Linux, DevOps and SRE skills by solving real‑world challenges.
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Learn by doing
Learn through step-by-step interactive labs, not passive lectures or videos.
Real-world challenges
Solve real-world problems inspired by real scenarios.
Launch labs in seconds
Don't waste your time setting up environments. We've done it for you.
Learn from anywhere
Maximize your learning time with our mobile-friendly labs.
Self-paced learning
No deadlines. Learn at your own pace.
No AI-generated content
Content 100% created by humans for humans.
Real environments
Our labs are real Linux systems, not simulated environments. This allows you to learn in a safe and controlled environment. You don't have to worry about breaking things. If something goes wrong, you can terminate the lab and start it again.
Mobile-friendly labs
It doesn't matter which device you use, our labs are mobile-friendly. You can choose to type commands on the terminal or click on a button to run them instead. Make the most of your commute time and learn on the go!
Learn one concept at a time
Each scenario has been designed to help you learn a single main concept. Only the minimum amount of theory needed to grasp that concept is included per scenario. Additional links are provided if you want to take a deep dive.
Focus on improving specific skills
Skill paths are curated lists of scenarios focused on improving a specific skill. Enroll on a skill path if you want to focus your learning on a specific topic.
