RH142 - Linux Troubleshooting Techniques and Tools

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Troubleshooting is both an art and a science, an instinct (typically informed by experience) and a technique. In RH142 Linux Troubleshooting Techniques and Tools, participants will learn techniques for troubleshooting a Linux system and will learn to use a variety of troubleshooting tools available on Red Hat Enterprise Linux.

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Regularly:

$2,598.00

On Sale:

$2,499.00

The number of students may be adjusted after the course has been added to the cart.

Course Description

Linux Troubleshooting Techniques and Tools is a 4 day heavily lab-oriented class designed to help participants learn (or improve) their troubleshooting skills using tools available in Red Hat Enterprise Linux. Labs will offer a range of problems from RHCT level and up to allow participants to extend their knowledge and techniques.

Participants will have the opportunity to debug live systems, exercising their new troubleshooting skills on a working system so that they can start to (or continue to) develop troubleshooting experience.

Check out the complete course outline below for more details.

Audience:

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.

Prerequisites:

•Red Hat Enterprise Linux System Administration (RH133/RH131), Red Hat Certified Technician (RHCT) certification holder, or equivalent experience

•System administration knowledge under Red Hat Enterprise Linux. This knowledge includes: installation, service management (using service and chkconfig, for example), basic system monitoring (using ps and top, and perhaps meminfo and the /proc filesystem), filesystem management (using fdisk and mkfs), and basic troubleshooting (including managing log files and perhaps the use of hardware probing tools such as ethtool and lspci).


Course Outline

Unit 1 - Troubleshooting Techniques
An introduction to troubleshooting methods, best practices, and tools.
Unit 2 - Common Troubleshooting Tools
Analyzing log files; monitoring file changes; Rebuilding the RPM database.
Unit 3 - Troubleshooting Boot Issues
Working with advanced GRUB features; rescue and GRUB CDs; advanced ext2/ext3 filesystem repair; rescuing RAID and LVM volumes.
Unit 4 - Revision control
An example to track configuration changes with a revision control system.
Unit 5 - Hardware
Preempting hardware failures (looking for the signs); protecting against hardware failures; redundant configurations; tools to help identify hardware failures and intermittent problems.
Unit 6 - Applications
An overview of tools and techniques for troubleshooting applications. Some common application problems and how to solve them.
Unit 7 - Network
Manual configuration of network cards, troubleshooting advanced setups (bonded interfaces, virtual interfaces); connectivity issues; network diagnostic tools.
Unit 8 - Security
Working effectively with (and not against) security tools, including SELinux, SSL, and authentication.
Unit 9 - Red Hat Resources and Reporting Problems
Support options; Knowledgebase; certified training; initiating support calls; TAM support; developer support; bugzillas; support workflow; diagnostic and information-gathering tools.

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RH142 - Linux Troubleshooting Techniques and Tools

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