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Mastering Ubuntu Server

You're reading from   Mastering Ubuntu Server Master the art of deploying, configuring, managing, and troubleshooting Ubuntu Server 18.04

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Product type Paperback
Published in May 2018
Publisher Packt
ISBN-13 9781788997560
Length 552 pages
Edition 2nd Edition
Concepts
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Author (1):
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Jay LaCroix Jay LaCroix
Author Profile Icon Jay LaCroix
Jay LaCroix
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Table of Contents (21) Chapters Close

Preface 1. Deploying Ubuntu Server 2. Managing Users FREE CHAPTER 3. Managing Storage Volumes 4. Connecting to Networks 5. Managing Software Packages 6. Controlling and Monitoring Processes 7. Setting Up Network Services 8. Sharing and Transferring Files 9. Managing Databases 10. Serving Web Content 11. Learning Advanced Shell Techniques 12. Virtualization 13. Running Containers 14. Automating Server Configuration with Ansible 15. Securing Your Server 16. Troubleshooting Ubuntu Servers 17. Preventing and Recovering from Disasters 18. Using the Alternate Installer 19. Assessments 20. Other Books You May Enjoy

Evaluating the problem space

After you identify the symptoms of the issue, the first goal in troubleshooting is to identify the problem space. Essentially, this means determining (as best you can) where the problem is most likely to reside, and how many systems and services are affected. Sometimes the problem space is obvious. For example, if none of your computers are receiving an IP address from your DHCP server, then you'll know straight away to start investigating the logs on that particular server in regard to its ability (or inability) to do the job designated for it. In other cases, the problem space may not be so obvious. Perhaps you have an application that exhibits problems every now and then, but isn't something you can reliably reproduce. In that case, it may take some digging before you know just how large the scope of the problem might be. Sometimes, the...

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