You're reading from Mastering Ubuntu Server Gain expertise in the art of deploying, configuring, managing, and troubleshooting Ubuntu Server

Product type Paperback

Published in Dec 2020

Publisher Packt

ISBN-13 9781800564640

Length 702 pages

Edition 3rd Edition

Tools

Ubuntu Server

Concepts

System Administration

Author (1):

Jay LaCroix

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Table of Contents (26) Chapters

Preface

1. Deploying Ubuntu Server

2. Managing Users and Permissions FREE CHAPTER

3. Managing Software Packages

4. Navigating and Essential Commands

5. Managing Files and Directories

6. Boosting Your Command-line Efficiency

7. Controlling and Managing Processes

8. Monitoring System Resources

9. Managing Storage Volumes

10. Connecting to Networks

11. Setting Up Network Services

12. Sharing and Transferring Files

13. Managing Databases

14. Serving Web Content

15. Automating Server Configuration with Ansible

16. Virtualization

17. Running Containers

18. Container Orchestration

19. Deploying Ubuntu in the Cloud

20. Automating Cloud Deployments with Terraform

21. Securing Your Server

22. Troubleshooting Ubuntu Servers

23. Preventing Disasters

24. Another Book You May Enjoy

25. Index

Troubleshooting resource issues

I don't know about others, but it seems that a majority of my time troubleshooting servers is usually spent pinpointing resource issues. By resources, I'm referring to CPU, memory, disk, input/output, and so on. Generally, issues come down to a user storing too many large files, a process going haywire that consumes a large amount of CPU, or a server running out of memory. In this section, we'll go through some of the common things you're likely to run into while administering Ubuntu servers.

First, let's revisit topics related to storage. In Chapter 9, Managing Storage Volumes, we went over concepts related to this already, and many of those concepts also apply to troubleshooting as well. Therefore, I won't spend too much time on those concepts here, but it's worth a refresher in regard to troubleshooting storage issues. First, whenever you have users that are complaining about being unable to write new files...