September 2003
Intermediate to advanced
432 pages
8h 53m
English
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Configuring a DNS Client
A DNS client uses the DNS servers to carry out name resolution. DNS servers are also configured as DNS clients because they can also issue queries to be resolved. The client configuration process consists of two separate steps: one to configure the system to use DNS as a mechanism for name resolution and the second to identify the DNS servers that should be contacted to carry out the resolution. The first step involves the file /etc/nsswitch.conf, and the second involves the file /etc/resolv.conf>. Both are covered in the following sections.
/etc/nsswitch.conf
This file is the name service switch file that allows the use of flat files or other name services (such as NIS, NIS+, or LDAP) to resolve various queries. For ...