Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting Exam Prep (RH342 )

Training Architect
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Michael Christian

Course Introduction

Introduction

About the Author
00:00:16
About this Course
00:01:48
The Exam
00:08:51

Exam Objectives

Understand and employ general methods for troubleshooting

Get into a troubleshooting mindset
00:08:16
Collect system information to aid in troubleshooting
00:19:03
Consult documentation resources to aid in troubleshooting
00:13:16
Monitor systems for vital characteristics
00:13:51
Configure systems to send log messages to a centralized host
00:07:42
Hands-On-Lab: Using the troubleshooting tools available within the RHEL environment
01:30:00
Hands-On-Lab: Monitor systems for vital characteristics
01:30:00
Hands-On-Lab: Configure remote logging
01:00:00

Diagnose and troubleshoot system start up issues

Identify and resolve service failures affecting boot
00:09:49
Regain root control of a system
00:08:30
Troubleshoot boot issues
00:12:56
Identify hardware and hardware problems
00:09:21
Manage kernel modules and their parameters
00:18:35
Hands-On-Lab: Troubleshoot service errors on start
01:30:00
Hands-On-Lab: Manage kernel modules and their parameters
01:00:00

Diagnose and troubleshoot file system issues

Recover corrupted file systems
00:14:26
Recover mis-configured or broken LVM configurations
00:10:21
Recover data from encrypted file systems
00:14:22
Identify and fix iSCSI issues
00:13:18
Hands-On-Lab: Recover a corrupted filesystem
01:00:00
Hands-On-Lab: Recover mis-configured or broken LVM configurations
01:00:00
Hands-On-Lab: Recover data from encrypted file systems
01:00:00
Hands-On-Lab: Identify and fix iSCSI issues
01:30:00
Hands-On-Lab: Troubleshooting file system issues
04:00:00

Resolve package management issues

Resolve package management dependency issues
00:06:03
Recover a corrupted RPM database
00:05:06
Identify and restore changed files
00:06:02
Hands-On-Lab: Troubleshooting RPM issues
01:00:00

Troubleshoot and fix network connectivity issues

Use standard tools to verify network connectivity
00:09:27
Identify and fix network connectivity issues
00:12:10
Inspect network traffic to aid troubleshooting
00:07:15
Hands-On-Lab: Troubleshooting network issues
01:30:00

Diagnose application issues

Identify library dependencies for third-party software
00:05:32
Identify if an application suffers from memory leaks
00:04:27
Use standard tools to debug an application
00:05:41
Identify and fix issues related to SELinux
00:15:23
Hands-On-Lab: Troubleshooting application issues
01:30:00
Hands-On-Lab: Troubleshooting SELinux issues
01:00:00

Identify and fix authentication issues

Identify and fix pluggable authentication module (PAM) issues
00:11:17
Identify and fix LDAP and Kerberos identity management issues
00:08:27
Hands-On-Lab: Identify and fix pluggable authentication (PAM) issues
01:00:00
Hands-On-Lab: Identify and fix LDAP and Kerberos identity management issues
01:30:00
Hands-On-Lab: Troubleshooting authentication issues
02:00:00

Gather information to aid third party investigation of issues

Create kernel crashdumps
00:02:37
Compile and execute SystemTap modules
00:06:05
Sosreports
00:03:50
Hands-On-Lab: Troubleshooting kernel issues
01:30:00

RH342 Red Hat Enterprise Linux Diagnostics and Troubleshooting

Practice Exam

Hands-On-Lab: RH342 Practice Exam
04:00:00

Conclusion

Next Steps

Conclusion and Review
00:01:28
What's Next
00:01:22

Details

This course is to prepare you for the Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam (EX342). You will learn to troubleshoot, diagnose, and resolve (or provide evidence of) issues that cause degradation and loss of performance. In addition to preperation for the exam, this course is suited to those that wish to develop their skills in RHEL troubeshooting.


Interactive Diagram: https://interactive.linuxacademy.com/diagrams/TroubleshootingCompendium.html


Study Guides

Review.pdf

Interactive Diagram

https://interactive.linuxacademy.com/diagrams/TroubleshootingCompendium.html

Instructor Deck

Community

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Earn a Certificate of Completion

When you complete this course, you’ll receive a certificate of completion as proof of your accomplishment.

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