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UNIX System Administration Handbook, Third Edition by Trent R. Hein, Evi Nemeth, Garth Snyder, Scott Seebass

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16.1 DNS FOR THE IMPATIENT: ADDING A NEW MACHINE

This chapter is almost a mini-book in itself. Before we dive into its mind-numbing depths, let’s take a quick breather to answer the most common DNS question: How do you add a new host to a network that’s already using DNS? The following recipe shows you how to do it by copying and modifying the existing records for a similar computer—templatehost.my.domain.

Step 1: Choose a hostname and IP address for the new machine in conjunction with local sysadmins or your upstream ISP (Internet service provider).

Step 2: Identify a similar machine on the same subnet. We’ll use that machine’s records as a model for our new ones.

Step 3: Log in to the master name server machine.

Step 4: Look through ...

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