Opis: Gain advanced diagnostic and troubleshooting skills to improve reliability of infrastructure systems and applications running Red Hat Enterprise Linux

The Red Hat Enterprise Linux Diagnostics and Troubleshooting course (RH342) 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.

Course overview

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 8.4.

Course content summary 

• Use the scientific method to approach troubleshooting
• Troubleshoot boot issues
• Troubleshoot security issues
• Troubleshoot storage issues
• Troubleshoot network issues

Cel: Impact on the organization

This course is intended to develop the skills needed to prevent costly downtime due to system failure and quickly recover failed systems using analysis, diagnosis, and troubleshooting.

Red Hat has created this course in a way intended to benefit our customers, but each company and infrastructure is unique, and actual results or benefits may vary.

Impact on the individual

As a result of attending this course, students should be able to leverage the software development life-cycle process to plan, create, test, and provision host systems within an organization.

Grupa docelowa: The Red Hat Enterprise Linux Diagnostics and Troubleshooting course is aimed at senior system administrators who wish to learn more about troubleshooting.

Uwagi: Duration:

• Classroom – 4 days
• Virtual Training – 5 days

Recommended next exam or course:

• EX342 Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam

Test your ability to analyze Red Hat Enterprise Linux systems for common issues that may cause degradation or loss of performance and either correct the issues or gather forensic information that can be passed along to a third party.

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Wymagania: Red Hat recommends these prerequisites:

• Have earned a Red Hat Certified System Administrator (RHCSA) or have similar experience
• It is recommend that students have earned a Red Hat Certified Engineer (RHCE) or have similar experience

Konspekt:

1. Introduction to troubleshooting
   • Describe a generalized strategy for troubleshooting.
2. Take proactive steps to prevent small issues
   • Prevent small issues from becoming large problems by employing proactive system administration techniques.
3. Troubleshoot boot issues
   • Identify and resolve issues that can affect a system’s ability to boot.
4. Identify hardware issues
   • Identify hardware problems that can affect a system’s ability to operate.
5. Troubleshoot storage issues
   • Identify and fix issues related to storage.
6. Troubleshoot RPM issues
   • Identify and fix problems in, and using, the package management subsystem.
7. Troubleshoot network issues
   • Identify and resolve network connectivity issues.
8. Troubleshoot application issues
   • Debug application issues.
9. Deal with security issues
   • Identify and fix issues related to security subsystems.
10. Troubleshoot kernel issues
    • Identify kernel issues and assist Red Hat Support in resolving kernel issues.
11. Red Hat Enterprise Linux Diagnostics and Troubleshooting comprehensive review
    • Practice and demonstrate knowledge and skills learned in Red Hat Enterprise Linux Diagnostics and Troubleshooting.

Notyfikacja: Note: The course outline is subject to change as technology advances and the underlying job evolves. For questions or confirmation on a specific objective or topic, please contact us at osec@osec.pl