15.1. DNS for the impatient: adding a new machine
If your network is set up to use the Dynamic Host Configuration Protocol (DHCP) you may not need to perform any manual configuration for DNS. When a new computer is connected, the DHCP server informs it of the DNS servers it should use for queries. Hostname-to-IP-address mappings for use by the outside world were most likely set up when the DHCP server was configured and are automatically entered through DNS’s dynamic update facility.
For networks that do not use DHCP, the following recipe shows how to update the DNS configuration by copying and modifying the records for a similar computer.
Step 1: Choose a hostname and IP address for the new machine in conjunction with local sysadmins ...
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