Friday, December 29, 2017

RED HAT ENTERPRISE LINUX DIAGNOSTICS AND TROUBLESHOOTING (RH342)



Red Hat Enterprise Linux Diagnostics and Troubleshooting course (RH342) provides system administrators with the tools and techniques they need to successfully diagnose, and fix, a variety of potential issues. To solve problems in various subsystems to diagnose and fix common issues.

COURSE OVERVIEW:


Students 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.


COURSE SUMMARY:

    ü Introduction to troubleshooting
     ü Troubleshoot boot issues, Identify hardware issues
     ü Troubleshoot storage issues, Troubleshoot RPM issues
     ü Troubleshoot network issues, Troubleshoot application issues
      ü Deal with security issues, Troubleshoot kernel issues

PREREQUISITES:

    ü Have earned a Red Hat Certified System Administrator (RHCSA) or have similar experience
    ü It is recommended that peoples have earned a Red Hat Certified Engineer (RHCE) or have similar experience
    ü System administration knowledge under Red Hat Enterprise Linux, including:
Ø Installation
Ø Service management (using service and chkconfig, for example)
Ø  Basic system monitoring (using ps and top and perhaps meminfo and the /proc file system)
Ø  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 CONTENTS:

Understand and employ general methods for troubleshooting
         Collect system information to aid in troubleshooting
        Consult documentation resources to aid in troubleshooting
        Monitor systems for vital characteristics
        Configure systems to send log messages to a centralized host

Diagnose and troubleshoot system start up issues
          Identify and resolve service failures affecting boot
        Regain root control of a system
        Troubleshoot boot issues
        Identify hardware and hardware problems
        Manage kernel modules and their parameters

Diagnose and troubleshoot file system issues
          Recover corrupted file systems
        Recover mis-configured or broken LVM configurations
        Recover data from encrypted file systems
        Identify and fix iSCSI issues

Resolve package management issues
          Resolve package management dependency issues
        Recover a corrupted RPM database
        Identify and restore changed files

Troubleshoot and fix network connectivity issues
        Use standard tools to verify network connectivity
        Identify and fix network connectivity issues
        Inspect network traffic to aid troubleshooting

Diagnose application issues
          Identify library dependencies for third-party software
        Identify if an application suffers from memory leaks
        Use standard tools to debug an application
        Identify and fix issues related to SELinux

Identify and fix authentication issues
          Identify and fix pluggable authentication module (PAM) issues
        Identify and fix LDAP and Kerberos identity management issues

Gather information to aid third party investigation of issues
          Create kernel crash dumps
        Compile and execute System Tap modules




If you want further details, please visit our







No comments:

Post a Comment

Networking terms in basic level

Basics of Computer Networking Open system: A system which is connected to the network and is ready for communication. Closed system...