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Mastering Ubuntu Server - Fourth Edition

You're reading from Mastering Ubuntu Server - Fourth Edition

Product type Book

Published in Sep 2022

Publisher Packt

ISBN-13 9781803234243

Pages 584 pages

Edition 4th Edition

Languages

Concepts

Author (1):

Jay LaCroix

Table of Contents (26) Chapters

Preface

1. Deploying Ubuntu Server

2. Managing Users and Permissions

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. Other Books You May Enjoy

25. Index

Understanding the /etc/fstab file

The /etc/fstab file is a very critical file on your Linux system. You can edit this file to call out additional volumes you would like to automatically mount at boot time. However, the main purpose of this file is to also mount your main filesystem, so if you make a mistake while editing it, your server will not boot (at all). Definitely be careful here.

Analyzing the contents of /etc/fstab

When your system boots, it looks at the /etc/fstab file to determine where the root filesystem is. In addition, the location of your swap area is read from this file and mounted at boot time as well. Your system will also read any other mount points listed in this file, one per line, and mount them. Basically, just about any kind of storage you can think of can be added to this file and automatically mounted. Even network shares from Windows servers can be added here. It won’t judge you (unless you make a typo).

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Authors (1)

Jay LaCroix

Jeremy "Jay" LaCroix is a technologist and open-source enthusiast, specializing in Linux. He has a net field experience of 20 years across different firms as a Solutions Architect and holds a master's degree in Information Systems Technology Management from Capella University. In addition, Jay also has an active Linux-focused YouTube channel with over 250K followers and over 20M views, available at LearnLinuxTV, where he posts instructional tutorial videos and other Linux-related content. He has also written Linux Mint Essentials and Mastering Linux Network Administration, published by Packt Publishing.

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