Course Curriculum
Introduction and Course Overview
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Troubleshooting Best Practices
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- 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
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Conceptual Troubleshooting
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System Access Troubleshooting
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FileSystem Troubleshooting
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- 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
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- 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)
- Slides
System Recovery
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Additional Resources
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- 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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