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Red Hat Linux Troubleshooting (RH242)

Course Description Schedule Course Outline

Detailed Course Outline

Module 1: Being Proactive, Part 1

  • Proactively monitor log files, hardware, file systems, and system and network performance

Module 2: Being Proactive, Part 2

  • Several approaches to managing configuration changes and developing a recovery plan

Module 3: Basic Troubleshooting Techniques and Procedures

  • An introduction to troubleshooting methods, best practices, and tools

Module 4: Booting Issues

  • Use recovery runlevels and rescue mode; work with advanced GRUB features

Module 5: Hardware Issues

  • Preempting hardware failures (looking for the signs); protecting against hardware failures; redundant configurations; tools to help identify hardware failures and intermittent problems

Module 6: File System Issues

  • Locate unauthorized changes; audit software; file system tuning and repair; file recovery

Module 7: Disk Issues

  • Rescuing LVM volumes; maintenance of LUKS-encrypted volumes

Module 8: Networking Issues

  • Manual configuration of network cards; connectivity issues; network diagnostic tools; monitor packets; tune kernel parameters; troubleshoot SAN communication

Module 9: Application Issues

  • An overview of tools and techniques for troubleshooting applications; some common application problems and how to solve them

Module 10: Security Issues

  • Working effectively with (and not against) security tools, including SELinux, authentication, and firewall

Module 11: Red Hat Resources

  • Support options; Knowledgebase; certified training; initiating support calls; TAM support; developer support; Bugzilla; support workflow; diagnostic and information-gathering tools
 

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