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Full Discussion: How to set dns in rhel4
Operating Systems Linux Red Hat How to set dns in rhel4 Post 302365010 by pludi on Sunday 25th of October 2009 08:22:48 AM
Old 10-25-2009
The 'search' directive of resolv.conf doesn't specify which servers to search, but what domains to search through. Example: if you specify two search domains
Code:
search bar.com
search foo.bar.com

and do a lookup for the name 'baz', the resolver will look for
  • baz.
  • baz.bar.com.
  • baz.foo.bar.com.

Name servers, where the resolver should query about them, are specified by the 'nameserver' directive, eg
Code:
nameserver 192.168.0.2
nameserver 192.168.0.3

will query 192.168.0.2 first, and, if that's not reachable, 192.168.0.3.

For your server to be able to act as a name server, you'll have to install and configure the appropriate service. One of the most used is BIND, which should be available in the RHEL repositories.

Ref: resolv.conf(5), Wikipedia on BIND, ISC BIND
 

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ipa-dns-install(1)						 IPA Manual Pages						ipa-dns-install(1)

NAME
ipa-dns-install - Add DNS as a service to an IPA server SYNOPSIS
ipa-dns-install [OPTION]... DESCRIPTION
Adds DNS as an IPA-managed service. This requires that the IPA server is already installed and configured. OPTIONS
-p DM_PASSWORD, --ds-password=DM_PASSWORD The password to be used by the Directory Server for the Directory Manager user -d, --debug Enable debug logging when more verbose output is needed --ip-address=IP_ADDRESS The IP address of the IPA server. If not provided then this is determined based on the hostname of the server. --forwarder=FORWARDER A forwarder is a DNS server where queries for a specific non-resolvable address can be directed. To define multiple forwarders use multiple instances of --forwarder --no-forwarders Do not add any DNS forwarders, send non-resolvable addresses to the DNS root servers. --reverse-zone=REVERSE_ZONE The reverse DNS zone to use --no-reverse Do not create new reverse DNS zone. If used on a replica and a reverse DNS zone already exists for the subnet, it will be used. --zonemgr The e-mail address of the DNS zone manager. Defaults to hostmaster@DOMAIN -U, --unattended An unattended installation that will never prompt for user input EXIT STATUS
0 if the installation was successful 1 if an error occurred IPA
Jun 28, 2012 ipa-dns-install(1)
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