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Mastering Linux Network Administration

You're reading from   Mastering Linux Network Administration Master the skills and techniques that are required to design, deploy, and administer real Linux-based networks

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Product type Paperback
Published in Nov 2015
Publisher Packt
ISBN-13 9781784399597
Length 260 pages
Edition 1st Edition
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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 (12) Chapters Close

Preface 1. Setting up Your Environment FREE CHAPTER 2. Revisiting Linux Network Basics 3. Communicating Between Nodes via SSH 4. Setting up a File Server 5. Monitoring System Resources 6. Configuring Network Services 7. Hosting HTTP Content via Apache 8. Understanding Advanced Networking Concepts 9. Securing Your Network 10. Troubleshooting Network Issues Index

Installing and configuring a DNS server


Domain Name System (DNS) makes navigating networked resources much easier. Unless you have a very small network, it's unlikely that you'll remember which IP addresses belong to which machines. DNS helps by mapping names to IP addresses, so you can refer to computers by their hostname and DNS will do the work of translating that back to the IP address.

DNS is one of those things that virtually everyone with a network connected device uses all the time, regardless of whether or not the user realizes it. Computers, servers, smart phones, tablets, smart appliances, and more all utilize DNS. Whenever you look up a service on the Internet, such as a website or a remote resource, DNS translates the name of the resource to the IP address.

Though the idea of DNS and what it does for us may be common knowledge, it's one of those things that are easy to take for granted. DNS is one of those mythical things that works in the background and makes our lives much...

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