Video description
Linux troubleshooting and administration
About This Video
- Troubleshoot IT and Linux-related issues with effective tools and techniques
- Diagnose and repair common networking and filesystem errors
In Detail
Explore the key tips and techniques for maintaining a reliable and highly available Linux server infrastructure and reducing downtime with this interactive course.
Beginning with troubleshooting best practices, you’ll go on to understand the technique of effectively diagnosing and fixing common and complex Linux server configuration and administration issues. From system access troubleshooting through to filesystem troubleshooting, you’ll learn with practical examples and tackle a variety of critical issues. Later, you’ll even get to grips with system recovery. All along, this course will guide you on how to apply your skills in a production environment.
By the end of this course, you will have developed the skills you need to effectively troubleshoot a variety of Linux-related issues.
Who this book is for
This course is for beginners in the IT field who are looking to troubleshoot daily issues, and experienced system administrators or engineers who want to improve their existing skills. Basic knowledge of the Linux command line is required.
Publisher resources
Table of contents
- Chapter 1 : Introduction and Course Overview
- Chapter 2 : Troubleshooting Best Practices
- Chapter 3 : Lab Setup
- Chapter 4 : Conceptual Troubleshooting
- Chapter 5 : System Access Troubleshooting
-
Chapter 6 : FileSystem Troubleshooting
- Welcome to FileSystem Troubleshooting
- Cannot cd into a Directory
- Cannot Open a File or Run a Script
- Having Trouble Finding Files and Directories
- Cannot Create Links
- Cannot Write to a File
- Cannot Delete, Copy, Move or Rename a File
- Cannot Change File Permissions or View Other Users Files
- Disk Space Full or Add More Disk Space
- Add Disk and Create Standard Partition
- Add Disk and Create LVM Partition
- Extend Disk with LVM
- How to Delete Old Files
- Script to Delete Old Files
- FileSystem is Corruption
- Corruption in /etc/fstab
-
Chapter 7 : System Administration Troubleshooting
- Welcome to System Administration Troubleshooting
- Running Out of Memory
- Add Swap Space
- System Rebooted or Process Restarted
- Unable to get IP Address
- IP Assigned but not Reachable
- Having Trouble using vi Editor
- Cannot Run Certain Commands
- Cannot Change Password
- User Account has no Home Directory
- How to Change Every Instance of a Word in a File
- How to Use sed Command
- How to Kill a User Terminal or Process
- Recover Root Password
- SOS Report
- List of Users Logged in by Date
- System is Running Slow
- Rollback Updates and Patching
- Chapter 8 : System Recovery
-
Chapter 9 : Additional Resources
- Welcome to Additional Resources
- Introduction to FileSystem
- File Ownership Commands (chown, chgrp)
- Files and Directory Permissions (chmod)
- System Logs Monitor (/var/log)
- Soft and Hard Links
- curl and ping commands
- Programs and Service Management
- Processes and Jobs (systemctl, ps, kill, top, crontab, at)
- New Network Command
- Difference Between CentOS/Redhat 5, 6 and 7
Product information
- Title: Linux Troubleshooting Course with Real Life Examples
- Author(s):
- Release date: July 2019
- Publisher(s): Packt Publishing
- ISBN: 9781838982263
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