Course Description
Red Hat Linux Troubleshooting (RH242)
System administrators will learn techniques for troubleshooting a Linux system and how to use the troubleshooting tools available on Red Hat Enterprise Linux.
Who Should Attend:
Linux system administrators who understand how to install and configure a Red Hat Enterprise Linux system and who wish to deepen their understanding of troubleshooting on Linux.
Duration:
* Classroom Learning - 4 Day(s)
* Online LIVE - 4 Day(s)
Lesson 1: Being Proactive, Part 1
* Proactively monitor log files, hardware, file systems, and system and network performance
Lesson 2: Being Proactive, Part 2
* Several approaches to managing configuration changes and developing a recovery plan
Lesson 3: Basic Troubleshooting Techniques and Procedures
* An introduction to troubleshooting methods, best practices, and tools
Lesson 4: Booting Issues
* Use recovery runlevels and rescue mode; work with advanced GRUB features
Lesson 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
Lesson 6: File System Issues
* Locate unauthorized changes; audit software; file system tuning and repair; file recovery
Lesson 7: Disk Issues
* Rescuing LVM volumes; maintenance of LUKS-encrypted volumes
Lesson 8: Networking Issues
* Manual configuration of network cards; connectivity issues; network diagnostic tools; monitor packets; tune kernel parameters; troubleshoot SAN communication
Lesson 9: Application Issues
* An overview of tools and techniques for troubleshooting applications; some common application problems and how to solve them
Lesson 10: Security Issues
* Working effectively with (and not against) security tools, including SELinux, authentication, and firewall
Lesson 11: Red Hat Resources
* Support options; Knowledgebase; certified training; initiating support calls; TAM support; developer support; Bugzilla; support workflow; diagnostic and information-gathering tools.
Agenda
Being Proactive, Part 1
- Proactively monitor log files, hardware, file systems, and system and network performance
Being Proactive, Part 2
- Several approaches to managing configuration changes and developing a recovery plan
Basic Troubleshooting Techniques and Procedures
- An introduction to troubleshooting methods, best practices, and tools
Booting Issues
- Use recovery runlevels and rescue mode; work with advanced GRUB features
Hardware Issues
- Preempting hardware failures (looking for the signs); protecting against hardware failures; redundant configurations; tools to help identify hardware failures and intermittent problems
File System Issues
- Locate unauthorized changes; audit software; file system tuning and repair; file recovery
Disk Issues
- Rescuing LVM volumes; maintenance of LUKS-encrypted volumes
Networking Issues
- Manual configuration of network cards; connectivity issues; network diagnostic tools; monitor packets; tune kernel parameters; troubleshoot SAN communication
Application Issues
- An overview of tools and techniques for troubleshooting applications; some common application problems and how to solve them
Security Issues
- Working effectively with (and not against) security tools, including SELinux, authentication, and firewall
Red Hat Resources
- Support options; Knowledgebase; certified training; initiating support calls; TAM support; developer support; Bugzilla; support workflow; diagnostic and information-gathering tools.
Comments
Virtual Red Hat Linux Troubleshooting (RH242) Online Live training option
Imagine an industry-leading classroom training experience from wherever you have access to the Internet.
The Virtual Online Live events listed here gives you an effective and proven online virtual learning experience with the freedom to attend virtually from anywhere.
There is also an option of experiencing Online Live from one of the many national partner centers where a computer and headset will be provided for you.
This rich and engaging virtual classroom environment lets you conveniently interact with instructors and other students.
You will hear and see your instructor as they teach the course and answer your questions via voice or text.
Choose the online live virtual training option and you can access the recorded version even after the class has finished.
The onDemand labs give you access to the same client and server technologies covered in class so you can test, apply and hone your skills by accessing the labs before and even after the class.
Technical Requirements: a computer or laptop with a modern browser and high speed internet access along with one or two monitors.