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Red Hat Enterprise Linux Diagnostics and Troubleshooting (RH342)

Red Hat Enterprise Linux Diagnostics and Troubleshooting (RH342) Diagnose problems, gather information, and fix common issues with Red Hat Enterprise Linux

Course Overview

System Administrators 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.

Audience

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

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.
System administration knowledge under Red Hat Enterprise Linux, including:

  • Installation
  • Service management (using service and chkconfig, for example)
  • Have taken Red Hat OpenStack Administration (CL210) course
  • Basic system monitoring (using ps and top and perhaps meminfo and the /proc file system)
  • File system management (using fdisk and mkfs)
  • Basic troubleshooting (including managing log files and perhaps using hardware probing tools, such as ethtool and lspci)
Course content
  • Introduce 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 administrations 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 demonstrate knowledge and skills learned in Red Hat Enterprise Linux Diagnostics and troubleshooting
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