Hands-On Linux and DevOps Challenges
Fix real Linux servers.
Practice your troubleshooting skills.
Solve real-world scenarios. Use hints if you get stuck. Check the full walkthrough if you need help.
Practice in Real Linux Servers
Each lab gives you access to a real Linux server where something is broken.
You can inspect logs, analyze processes, and debug issues exactly like you would in a real production environment.
Break things. Experiment freely without risk. If something goes wrong, just restart the lab and try again.
No simulations. No fake terminals. Just real Linux servers and real troubleshooting.
Why use these labs?
Learn by doing
Solve real problems in hands-on labs instead of watching tutorials.
Realistic production scenarios
Each scenario is a broken Linux server that you must investigate and fix.
Launch labs in seconds
Start a new lab instantly from your browser. No setup required.
Interview-style challenges
Practice the troubleshooting skills companies test in DevOps and SRE interviews.
Hints available if you get stuck
Request hints to guide your investigation without revealing the solution.
Full walkthroughs
If you want to learn the full debugging process, each scenario includes a complete step-by-step solution.
Who is this for?
These scenarios are built for engineers who want real-world troubleshooting practice:
- Engineers preparing for DevOps or SRE interviews.
- Developers moving into DevOps roles.
- Engineers who want to get better at debugging production issues.
Improve specific skills
Skill paths are curated collections of scenarios focused on a specific area of DevOps troubleshooting.
Enroll in a skill path if you want to focus your practice on a specific skill.