Using the troubleshooting tools available within the RHEL environment

1.5 hours
  • 4 Learning Objectives

About this Hands-on Lab

In this activity, you will practice using the troubleshooting tools available with RHEL 7.

Learning Objectives

Successfully complete this lab by achieving the following learning objectives:

Collect system information.

You should begin by logging in to the host and obtaining the following information to verify the user complaints:

  • Current system load
  • Current disk usage
  • Swap usage

Performance Co-Pilot is installed. You should use it to help assess the problems.

  • Enable pmcd
  • Start pmcd
Resolve disk space issues.

You will need to find out what’s consuming all of the disk space and see if it’s something that can be removed.

Resolve CPU load issues.

You will need to investigate the cause of CPU load issues and resolve them.

Resolve disk I/O issues.

You will need to investigate the cause of disk I/O issues and resolve it.

Additional Resources

Users are complaining of general slowness on this particular host ever since a junior employee was using it. They are also complaining about a lack of disk space available. You will need to log in and assess the situation and resolve any issues contributing to these complaints, if necessary.

What are Hands-on Labs

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.

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