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Complete Linux Troubleshooting Course (Practical Examples)

Introduction and Course Overview

Course Promo Video (1:19)
Course Syllabus (7:01)
Download Syllabus

Troubleshooting Best Practices

Welcome to Troubleshooting Best Practice (2:37)
Follow Policies and Standards (3:38)
Documentation Or Ticketing Process (5:21)
Patience To Work with the Users Group (6:30)
Get Online Help (4:39)
Understanding the Issue Before Making a Decision (2:36)
Involve Vendors if Needed (3:15)
Log Monitor (3:21)
Be Honest and Ask Questions (3:18)
Slides

Lab Setup

Welcome to lab setup (2:48)
What is VirtualBox (1:51)
Download and Install VirtualBox (3:32)
Creating First Virtual Machine (5:20)
Linux CentOS Installation (23:38)
Slides

Conceptual Troubleshooting

Welcome to Conceptual Troubleshooting (0:09)
Who is who (4:23)
Cannot Access Server (6:35)
Cannot Install OS (4:33)
VM Running Slow (4:50)
Slides

System Access Troubleshooting

Welcome to System Access Troubleshooting (0:09)
Server is Not reachable (14:08)
Cannot Connect to a Website or an Application (12:55)
Cannot SSH as Root or Other User (14:12)
Firewall (6:29)
Terminal or Client is Not Working (4:43)
Troubleshooting Putty Connection (11:41)
Slides

FileSystem Troubleshooting

Welcome to Filesystem Troubleshooting (0:09)
Cannot CD Into a Directory (18:53)
Cannot Open a File Or Run a Script (10:19)
Having Trouble Finding Files and Directories (10:28)
Cannot Create Links (18:22)
Cannot Write to a File (12:21)
Cannot Delete, Copy, Rename or Move a File (17:56)
Cannot Change File Permissions Ownership (15:01)
Disk Space Full (22:21)
Add Disk and Create Standard Partition (12:19)
Add Disk and Create LVM Partition (12:26)
Extend Disk with LVM (14:10)
How to Delete Old Files (7:27)
Script to Delete Old Files (10:52)
Filesystem Corruption - UPDATED (20:30)
fstab Corruption (16:56)
Handouts
Slides

System Administration Troubleshooting

Welcome to System Administration Troubleshooting (0:09)
Running Out of Memory (32:14)
Add Swap Space (13:00)
System Rebooted Or Process Restarted (13:10)
Unable to get an IP Address (19:08)
IP Address Assigned but not Reachable (20:37)
Having Trouble Using vi Editor (9:53)
Cannot Run Certain Commands (14:59)
Cannot Change Password (13:16)
User Has No Home Directory (13:16)
How to Change Every Instance of a Word in a File (5:17)
How to Use sed Command (6:30)
How to Kill a Process, User or Terminal (9:55)
Recover Root Password (5:26)
sosreport (6:34)
List of Users Logged in by Date (15:30)
System is Running Slow (33:54)
Rollback Updates and Patches (14:22)
Script to Delete Old Files (10:52)
Troubleshoot kernel panic (12:35)
Slides

System Recovery

Welcome to System Recovery (0:09)
Recover Virtual System (9:03)
Recover Physical System (3:51)
Disaster Recovery (6:20)
Slides

Additional Resources

Welcome to Addtinal Resources (0:09)
Introduction to File System (5:14)
File Ownership Commands (11:35)
Files and Directory Permissions (12:57)
System Log Monitoring (11:08)
Hard and Soft Link (12:28)
curl and ping (9:56)
Programs and Service Management (17:35)
Processes and Jobs (19:39)
New network command (3:52)
Redhat Installation - optional (7:45)
Difference Between Linux 5, 6 and 7 (14:45)
Absolute and Relative Paths (5:03)
Wildcards (10:02)
Combining and Splitting Files (6:46)
File maintenance Commands (11:44)
Filter-Text Processor Commands (13:24)
Environment Variable (13:35)
Monitor Users (7:07)
sed Command (21:00)
System Monitoring Commands (9:09)
Advance Package Management (15:01)
File Transfer Commands (10:25)
Securing Linux Machine - OS Hardening (24:26)
File System Check (16:43)
System Backup (14:04)
NAS Device Setup for Filesystem Sharing (9:58)
Congratulations All (0:08)

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