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

Setting up a secondary database server

Redundancy is an amazing thing. If a primary server fails for some reason, you can keep your applications running by having a secondary database server available in case the original meets its demise. Of course, you can always create regular backups of your database servers and restore if necessary, but it's very hard to keep up with databases that are always changing, so backups have a tendency to become stale quite fast. A secondary database server enables you to have a copy that is always up to date. This doesn't mean that you no longer need backups, but it does give you another option for recovery when faced with a problem.

The industry is moving away from terms like "Master" and "Slave" to describe a primary and secondary server. In this chapter and moving forwards, we will use the terms "Primary" and "Secondary" to describe the relationship of one main database server, that replicates...