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How to disable DNS on Linux

02/09/10

Permalink 12:02:04 pm by iServices, Categories: Scripts and Codes , Tags: dns, linux, server

IF you're not using it, it's just wasting resources! Most Linux distro's today come packaged with BIND and run DNS services by default however, if your organization uses an ISP's DNS servers for name resolution or you have other dedicated DNS servers it's very easy to shutdown BIND and free up approximately 10 megabytes of memory on your server, here's how to do it:

NOTE: If you are serving zones from your server directly do not follow these steps!

 

service named stop
Stopping named:                                            [  OK  ]
chkconfig --level 3 named off

 

You'll also need to ensure your /etc/resolv.conf has the following lines:

 

nameserver 64.79.200.111
nameserver 64.79.200.113

 

If there are any lines referencing 127.0.0.1 be sure and delete them.

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