EncartaLabs

Red Hat Linux Troubleshooting

( Duration: 4 Days )

In Red Hat Linux Troubleshooting Training course, Participants will learn techniques for troubleshooting a Linux system and how to use the troubleshooting tools available on Red Hat Enterprise Linux. Through hands-on labs, they will learn to improve troubleshooting skills and gain additional experience by debugging live, virtualized systems.

By attending Red Hat Linux Troubleshooting workshop, Participants will learn:

  • Troubleshooting techniques, including being prepared
  • Troubleshooting hardware, including listing, testing, and analyzing devices
  • Troubleshooting applications, including diagnosing performance problems and investigating application and OS interactions
  • Troubleshooting disks and file systems, including LVM, LUKS, ext3/4, and unauthorized changes
  • Troubleshooting the network, including configuring, testing, and diagnosing problems with basic and advanced configurations
  • Security, including working effectively with (and not against) security tools such as SELinux, authentication, and firewall
  • Making the most of Red Hat support resources

  • Training on Red Hat System Administration and Advanced Red Hat System Administration
  • Attending a training on RHCSA or RHCSA certification or equivalent experience
  • System administration knowledge under Red Hat Enterprise Linux, including:
    • Installation
    • Service management (using service and chkconfig, for example)
    • 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 eth tool and lspci)

Linux system administrators who understand installation and configuration of a Red Hat Enterprise Linux system and wish to deepen their understanding of troubleshooting on Linux.

COURSE AGENDA

1

Being Proactive, Part 1

  • Monitor log files, hardware, and file systems
  • Monitor system and network performance
2

Being Proactive, Part 2

  • Approaches to managing configuration changes and developing a recovery plan
3

Basic Troubleshooting Techniques and Procedures

  • Recovery runlevels and rescue mode
  • Work with advanced GRUB features
4

Hardware Issues

  • Preempting hardware failures (looking for the signs)
  • Protecting against hardware failures
  • Redundant configurations
  • Tools to help identify hardware failures and intermittent problems
5

File System Issues

  • Locate unauthorized changes
  • Audit software
  • File system tuning and repair
  • File recovery
6

Disk Issues

  • Rescuing LVM volumes
  • Maintenance of LUKS-encrypted volumes
7

Networking Issues

  • Manual configuration of network cards
  • Connectivity issues
  • Network diagnostic tools
  • Monitor packets
  • Tune kernel parameters
  • Troubleshoot SAN communication
8

Application Issues

  • Tools and techniques for troubleshooting applications
  • Common application problems and how to solve them
9

Security Issues

10

Red Hat Resources

  • Support options
  • Knowledgebase
  • Certified training
  • Initiating support calls
  • TAM support
  • Developer support
  • Bugzilla
  • Support workflow
  • Diagnostic and information-gathering tools

Encarta Labs Advantage

  • One Stop Corporate Training Solution Providers for over 4,000 Modules on a variety of subjects
  • All courses are delivered by Industry Veterans
  • Get jumpstarted from newbie to production ready in a matter of few days
  • Trained more than 50,000 Corporate executives across the Globe
  • All our trainings are conducted in workshop mode with more focus on hands-on sessions

View our other course offerings by visiting http://encartalabs.com/course-catalogue-all.php

Contact us for delivering this course as a public/open-house workshop/online training for a group of 10+ candidates.

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