Linux Diagnostics And Troubleshooting

This course is aimed at senior system administrators who wish to learn more about troubleshooting, various assignment

Created by: Shikhar Verma • 95k+ Students Worldwide
Solutions Architect and IT Trainer

What Will I Learn?

• Linux Diagnostics And Troubleshooting
• To fix common issues on a Red Hat Enterprise Linux machine, using tools provided by the distribution.
• What is troubleshooting?
• Troubleshooting a login issue
• Troubleshoot a web server issue using the log files
• Troubleshoot a FTP Connectivity Issue
• System Monitoring with Cockpit
• Centralized log server using rsyslog
• Advanced Intrusion Detection Environment (AIDE)
• System Auditing with auditd
• Identify various harwdare and their problems
• Hardware Error Reporting using mcelog and rasdaemon
• Manging Kernel Modules
• Troubleshooting to disable MSI-X interrupt handling in the driver
• Troubleshooting Storage Issues
• Overview about Filesystems, Device Manager & Device Mapper Multipath
• Recovering from File System Corruption
• Migrating a Volume Group from one system to another
• Configuration of Iscsi target & Initiator
• Troubleshooting RPM Issues
• Recover a corrupted RPM Database
• Working with transaction history using Yum command
• Troubleshooting a Network Issues
• Scanning Network Ports using nmap
• nc & iptraf-ng commands
• Troubleshooting a network issue (One network interface is not working properly)
• Troubleshooting a Boot Issues
• Lab on Basic System Recovery
• Reset the root passwd using installation disk or rd break
• Troubleshooting a Security Issues
• Troubleshooting a SELinux Issue
• SELinux Audit Logs & Troubleshooting
• Overview of PAM Security & Concepts of PAM
• GRUB Boot Loader Issues
• Kernel Panic
• Filesystem Corruption

Requirements

• PC or Laptop with internet Connection
• A RHCSA/RHCE certification, or equivalent knowledge is required to successfully sit this course.

Target audience

• Linux Diagnostics and Troubleshooting course is aimed at senior system administrators who wish to learn more about troubleshooting.