RH342LS: Red Hat Enterprise Linux Diagnostics and Troubleshooting

This course provides system administrators with the tools and techniques they need to successfully diagnose, and fix, a variety of potential issues. Students will work through hands-on problems in various subsystems to diagnose and fix common issues. Students will learn how to apply the scientific method to a structured form of troubleshooting. This approach is then used troubleshooting various types of problems, including boot issues, hardware issues, storage issues, RPM issues, network issues, third-party application issues, security issues, and kernel issues. At the end of the course students can complete various comprehensive review labs to test their skills.

This course is based on Red Hat Enterprise Linux 7.5, Red Hat Satellite 6.3, Red Hat Ansible® Engine 2.5, Red Hat Ansible Tower 3.2, and Red Hat Insights.

 Important Information about Course Delivery and Enrollment

Please note that as of January 1, 2026, Red Hat is introducing its Red Hat Learning Subscription (RHLS) course model, a flexible subscription solution that replaces their previous direct enrollment for virtual course dates.

When purchasing this product, you will receive access to an RHLS at course level, giving you the flexibility to enroll in the course date that suits you best, directly through your Red Hat training portal.

The RHLS subscription includes the following:

• One live, instructor-led course
• 12 months of access to the associated e-learning materials
• Up to 100 hours of additional lab access
• One exam voucher, including one retake if needed

Please use the e-learning order form on the right-hand side to purchase the course. You can read more about the Red Hat Learning Subscription model here.

Note that the RHLS solution is only available upon purchase of individual virtual classes. 

If you are attending a physical classroom training or a private, company-specific training, the following is included:

• Official Red Hat classroom training led by certified experts with extensive Red Hat product experience
• 45-day access to hands-on labs for any course that includes a virtual environment
• Official digital Red Hat course materials

Course Objectives

After completing this course, participants will be able to:

• Apply a structured troubleshooting methodology using the scientific method
• Diagnose and resolve boot-related issues
• Identify and troubleshoot hardware problems
• Troubleshoot storage and file system issues
• Resolve RPM and package management problems
• Diagnose and fix network connectivity issues
• Debug application and service-related issues
• Identify and resolve security-related problems
• Analyze kernel issues and gather diagnostic data for support

Audience

This course is aimed at senior system administrators who wish to learn more about troubleshooting.

Prerequisites

Red Hat recommends these prerequisites:

• Have earned a Red Hat Certified System Administrator (RHCSA) or have similar experience
• It is recommended to be a Red Hat Certified Engineer (RHCE®), or demonstrate equivalent Red Hat Enterprise Linux knowledge and experience

• Course content
• Certification
• FAQ
• Relevant courses

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