Red Hat Linux Troubleshooting (RH242)

Displaying courses for United States [Change]


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


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.


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.


Being Proactive, Part 1

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

Being Proactive, Part 2

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

Basic Troubleshooting Techniques and Procedures

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

Booting Issues

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

Hardware Issues

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

File System Issues

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

Disk Issues

  • Rescuing LVM volumes; maintenance of LUKS-encrypted volumes

Networking Issues

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

Application Issues

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

Security Issues

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

Red Hat Resources

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

Training provider

Teaching mode:
Classroom - Instructor Led
Online - Instructor Led
Duration: 4 days
Gooroo has partnered with the global leaders in IT training to give you access to quality training, personalised to you, targeted at increasing your job opportunities and salary.

Our pricing

We do not display pricing as Gooroo members qualify for special discounts not available elsewhere. You must enquire through Gooroo to get this benefit.

New courses are happening all the time

Our partner's expert training consultant will provide you with the times and all the details you need. Enquire today.

Top skills covered in this course

United States
This skill has an average salary of
and is mentioned in
of job ads in this area.
Red Hat Linux
United States
This skill has an average salary of
and is mentioned in
of job ads in this area.
United States
This skill has an average salary of
and is mentioned in
of job ads in this area.
Storage area network
United States
This skill has an average salary of
and is mentioned in
of job ads in this area.