November 2021
Beginner
528 pages
11h 44m
English
Content preview from Linux for Networking Professionals
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Chapter 6: DNS Services on Linux
The Domain Name System (DNS) is a major underpinning of today's information-based society. A proverb used within the technical community (phrased in haiku format) is shown here:
It's not DNS
There is no way it's DNS
It was DNS
This describes more technical problems than you might think, up to widespread internet or cloud service outages. It also nicely describes the progression of how a problem is solved, with the answer: "The root problem is always DNS." This nicely illustrates just how important this service is to almost every facet of today's corporate networks and public internet.
In this chapter, we'll cover several topics that involve DNS basics, then build—and finally, troubleshoot—DNS services. We'll ...
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