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How to disable DNS via prompt

How do I disable DNS via a terminal prompt?
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0biwan
Asked:
0biwan
1 Solution
 
chris_calabreseCommented:
What do you mean by "disable DNS?"

Do you want to no longer resolve names through DNS?  In that case, you simply remove the nameserver entries from /etc/resolv.conf (or remove references to DNS from /etc/nsswitch.conf if your system has it).

Or do you want to no longer have your machine act as a DNS server?  In that case you disable the startup script for it (probably under /etc/rc.?/*bind)
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auther_binCommented:
shutdown DNS from prompt:
        killall named
disable DNS startup when bootup
        mv /etc/rc.d/rc?.d/S??named /etc/rc.d/rc?.d/K??named

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ksematCommented:
Depending on your distribution, you can kill the named process by using
killall named as already mentioned, in Redhat you can run linuxconf go to control service activity look for named (or bind?) and select it and uncheck the box that has automatic.
For SuSE depending on distribution edit /etc/rc.config and set
START_NAMED="no"
Any other distro, you need to cd /etc/rc.d/init.d
rm named
you can then depending on which runlevel you boot into e.g if it is runlevel 3 cd /etc/rc.d/rc3.d
rm S??named where ?? represents a number that ls in the directory will show.
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auther_binCommented:
Many ways:
1. [root@yousrhost]# killall named
2. [root@yousrhost]# /etc/rc.d/init.d/named stop
3. [root@yousrhost]# kill `pidof named`
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