Red Hat · hands-on lab
RHCSA Lab 26: Tune System Performance
Choose the recommended tuned profile, change process priorities with renice and find a CPU hog with ps.
- 40 minutesTime in the lab
- IntermediateLevel
- 4 tasksChecked automatically
- CertificateVerifiable link when you finish
The situation
A batch job slows servera, and the server has no tuning profile yet.
What you will do
- Guided exercise: Recommended profile
- Guided exercise: Find the hogquestion
- Lab: Lower its priority
- Nice rangequestion
How it works
The lab opens in your browser: a real terminal or desktop, nothing to install. Work through the tasks, press Check after each one and the portal verifies your work. Stuck? Ask for a hint. Finish every task and you get a certificate page with its own verification link for LinkedIn or your CV.