Linux and Unix DNS Configuration

Revision as of 21:12, 9 October 2016 by Mmuehlfeld (talk | contribs) (Added tags + a information about NetworkManager)


The following describes how to manually configure Linux clients to use DNS servers.

If you are running a DHCP server providing DNS settings to your client computers, configure your DHCP server to send the IP addresses of your DNS servers.

Configuring the /etc/resolv.conf

Edit your /etc/resolv.conf, add a nameserver entry for each DNS server and your search domain:


Some utilities, such as NetworkManager can overwrite manual changes in that file. Consult your distribution's documentation for information about how to configure name resolution permanently.

Testing DNS resolution

See Testing_the_DNS_Name_Resolution.