Enterprise Linux Diagnostics and Troubleshooting
Advanced
7h
By: David Lewis
Overview
This course is appropriate for Enterprise Linux® system administrators seeking validation of their skills and ability to analyze Red Hat Enterprise Linux systems for common issues that may cause degradation or loss of performance and either correct the issues or gather forensic information that can be passed along to a third party. It is also appropriate for IT professionals who are on the path to earn Red Hat® Certified Specialist in Linux Diagnostics and Troubleshooting.
Skills Learned
After completing this online training course, students will be able to:
- Troubleshoot boot issues
- Identify hardware issues
- Troubleshoot storage issues
- Troubleshoot RPM issues
- Troubleshoot network issues
- Troubleshoot application issues
- Fix security issues
Modules
1. Topic: What Is Troubleshooting - Class Recordings
1.1 Using the Scientific Method12 min
1.2 Collecting Information13 min
1.3 Using Red Hat Resources18 min
2. Topic: Being Proactive - Class Recordings
2.1 Monitoring Systems12 min
2.2 Configuring Remote Logging12 min
2.3 Using Configuration Management9 min
2.4 Configuring Change Tracking11 min
3. Topic: Troubleshooting Boot Issues - Class Recordings
3.1 Resolving Boot Loader Issues on BIOS Systems8 min
3.2 Resolving Boot Loader Issues on UEFI Sytems3 min
3.3 Dealing with Failing Services19 min
3.4 Resetting a Root Password11 min
4. Topic: Identifying Hardware Issues - Class Recordings
4.1 Identifying Hardware Issues9 min
4.2 Managing Kernel Modules8 min
4.3 Handling Virtualization Issues8 min
5. Topic: Troubleshooting Storage Issues - Class Recordings
5.1 Orientation to the Linux Storage Stack14 min
5.2 Recovering from File System Corruption13 min
5.3 Recovering from LVM Accidents12 min
5.4 Dealing with LUKS Issues17 min
5.5 Resolving iSCSI Issues16 min
6. Topic: Troubleshooting RPM Issues - Class Recordings
6.1 Resolving Dependency Issues10 min
6.2 Recovering a Corrupt RPM Database6 min
6.3 Identifying and Recovering Changed Files7 min
6.4 Subscribing Systems to Red Hat Updates6 min
7. Topic: Troubleshooting Network Issues - Class Recordings
7.1 Testing Connectivity16 min
7.2 Resolving Connectivity Issues22 min
7.3 Inspecting Network Traffic10 min
8. Topic: Troubleshooting Application Issues - Class Recordings
8.1 Resolving Library Dependencies16 min
8.2 Debugging Memory Leaks9 min
8.3 Debugging Application Execution10 min
9. Topic: Dealing with Security Issues - Class Recordings
9.1 Fixing SELinux Issues35 min
9.2 Handling Authentication Issues8 min
9.3 Resolving Kerberos and LDAP Issues12 min
10. Topic: Troubleshooting Kernel Issues - Class Recordings
10.1 Kernel Crash Dumps5 min
10.2 Kernel Debugging with SystemTap9 min
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