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Red Hat Enterprise Linux is a powerful, reliable, and scalable operating system that forms the foundation of many mission-critical environments. As with any complex system, however, there can be occasional issues that need to be diagnosed and resolved. The good news is that Red Hat provides a number of tools and technologies to help in this process.

The Red Hat Enterprise Linux Diagnostics and Troubleshooting (RH342) course provides system administrators with the tools and techniques they need to successfully diagnose, and fix, a variety of potential issues.

With expert instruction and ample opportunity to practice your skills, this course will help you become confident in your ability to identify and resolve a variety of issues with Red Hat Enterprise Linux.

Overview

Diagnose problems, gather information, and fix common issues with 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.

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.

Skills Covered

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

Prerequisites

Target Audience

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

Course Curriculum

Introduction to Troubleshooting

  • Describe a generalized strategy for troubleshooting.

Take Proactive Steps to Prevent Small Issues

  • Prevent small issues from becoming large problems by employing proactive system administration techniques.

Troubleshoot Boot Issues

  • Identify and resolve issues that can affect a system’s ability to boot.

Identify Hardware Issues

  • Identify hardware problems that can affect a system’s ability to operate.

Troubleshoot Storage Issues

  • Identify and fix issues related to storage.

Troubleshoot RPM Issues

  • Identify and fix problems in, and using, the package management subsystem.

Troubleshoot Network Issues

  • Identify and resolve network connectivity issues.

Troubleshoot Application Issues

  • Debug application issues.

Deal with Security Issues

  • Identify and fix issues related to security subsystems.

Troubleshoot Kernel Issues

  • Identify kernel issues and assist Red Hat Support in resolving kernel issues.

Red Hat Enterprise Linux Diagnostics and Troubleshooting Comprehensive Review

  • Practice and demonstrate knowledge and skills learned in Red Hat Enterprise Linux Diagnostics and Troubleshooting.

Dates & Locations

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Exam & Certification

Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting.

An IT professional who is a Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting is capable of performing the following tasks:

  • Understanding and employing general methods for troubleshooting
  • Diagnosing and troubleshooting system start up issues
  • Diagnosing and troubleshooting file system issues
  • Resolving package management issues
  • Troubleshooting and fixing network connectivity issues
  • Diagnosing application issues
  • Identifying and fixing authentication issues
  • Gathering information to aid third party investigation of issues

Training & Certification Guide

Prove your skills to analyze for common issues

The performance-based Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam (EX342) tests 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.

By passing this exam, you become a Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting, which also counts toward becoming a Red Hat® Certified Architect (RHCA®).

This exam is based on Red Hat Enterprise Linux 8.4.

The following audiences may be interested in becoming a Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting:

  • System administrators who manage Red Hat Enterprise Linux systems
  • System administrators who wish to demonstrate problem solving and analysis skills
  • A Red Hat Certified Engineer (RHCE) interested in becoming a Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting or a Red Hat Certified Architect (RHCA)

Red Hat recommends that candidates for the Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam have:

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