Red Hat Linux Troubleshooting (RH242)

Course Overview

System administrators will learn techniques for troubleshooting a Linux system and how to use the troubleshooting tools available on Red Hat Enterprise Linux.

Who Should Attend

Linux system administrators who understand how to install and configure a Red Hat Enterprise Linux system and who wish to deepen their understanding of troubleshooting on Linux.

Course Objectives

This course is a 4-day, heavily lab-oriented class designed to help the student learn or improve troubleshooting skills. Students will gain troubleshooting experience by debugging live, virtualized systems.

Course Outline

1 - Being Proactive, Part 1

  • Proactively monitor log files, hardware, file systems, and system and network performance

2 - Being Proactive, Part 2

  • Several approaches to managing configuration changes and developing a recovery plan

3 - Basic Troubleshooting Techniques and Procedures

  • An introduction to troubleshooting methods, best practices, and tools

4 - Booting Issues

  • Use recovery run levels and rescue mode; work with advanced GRUB features

5 - Hardware Issues

  • Preempting hardware failures (looking for the signs); protecting against hardware failures; redundant configurations; tools to help identify hardware failures and intermittent problems

6 - File System Issues

  • Locate unauthorized changes; audit software; file system tuning and repair; file recovery

7 - Disk Issues

  • Rescuing LVM volumes; maintenance of LUKS-encrypted volumes

8 - Networking Issues

  • Manual configuration of network cards; connectivity issues; network diagnostic tools; monitor packets; tune kernel parameters; troubleshoot SAN communication

9 - Application Issues

  • An overview of tools and techniques for troubleshooting applications; some common application problems and how to solve them

10 - Security Issues

  • Working effectively with (and not against) security tools, including SELinux, authentication, and firewall

11 - Red Hat Resources

  • Support options; Knowledgebase; certified training; initiating support calls; TAM support; developer support; Bugzilla; support workflow; diagnostic and information-gathering tools

Enroll Today

This is a 4-day class

Price: $3,200.00
Payment Options

ILT Instructor‑Led Training


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Class times are listed Eastern time. This class is available for Private Group Training

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