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Red Hat Certified Specialist in Linux Diagnostics (RH342)

Video Introducing this tutorial

1. About the Author
2. About this Course
3. The Exam
4. Get into a troubleshooting mindset
5. Collect system information to aid in troubleshooting
6. Consult documentation resources to aid in troubleshooting
7. Monitor systems for vital characteristics
8. Configure systems to send log messages to a centralized host
9. Identify and resolve service failures affecting boot
10. Regain root control of a system
11. Troubleshoot boot issues
12. Identify hardware and hardware problems
13. Manage kernel modules and their parameters
14. Recover corrupted file systems
15. Recover mis-configured or broken LVM configurations
16. Recover data from encrypted file systems
17. Identify and fix iSCSI issues
18. Resolve package management dependency issues
19. Recover a corrupted RPM database
20. Identify and restore changed files
21. Use standard tools to verify network connectivity
22. Identify and fix network connectivity issues
23. Inspect network traffic to aid troubleshooting
24. Identify library dependencies for third-party software
25. Identify if an application suffers from memory leaks
26. Use standard tools to debug an application
27. Identify and fix issues related to SELinux
28. Identify and fix pluggable authentication module (PAM) issues
29. Identify and fix LDAP and Kerberos identity management issues
30. Create kernel crashdumps
31. Compile and execute SystemTap modules
32. Sosreports
33. Conclusion and Review
34. What's Next