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

Adding a DNS server

I'm sure most of you are familiar with the purpose of a Domain Name System (DNS) server. Its simplest definition is that it's a service that's responsible for matching an IP address to a domain or hostname. When you connect to the internet, name-to-IP matching happens constantly as you browse. After all, it's much easier to connect to https://www.google.com/ using its domain name than it is to remember its IP address. When you connect to the internet, your workstation or server will connect to an external DNS server in order to figure out the IP addresses for the websites you attempt to visit.

It's also very common to run a local DNS server internally in your organization. The benefit is that you'll be able to resolve your local hostnames as well, something that an external DNS server would know nothing about. For example, if you have an intranet site that you intend to make available to your co-workers, it would be easier to give...