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- Join Date
- Feb 2006
How to change nameservers WITHOUT editing resolv.conf???
For years I have attempted to do this with a package called 'netconfig' (these are fedora boxes) but netconfig has a bug that causes the nameservers not to be updated with the supplied info on the first attempt. Usually, and this is especially true when going from DHCP to static, a second netconfig attempt is required to get the nameservers to update.
I'd like to find a more reliable way to do this. Are there any command line tools that take a nameserver as an argument and updates resolv.conf accordingly? something along the lines of 'ifconfig' is what I am looking for, although I know ifconfig cannot be used to change nameservers.
In all the googling I have done the only command line related option that I could find for updating nameservers is to manually edit the resolve.conf file and this is not really an option for my application. I need to be able to issue a command to the system to get the job done.
Does anyone here have any good suggestions?
Are there any command line tools that take a nameserver as an argument and updates resolv.conf accordingly?
- Join Date
- Nov 2007
#!/bin/bash # Assumes nameserver IP is passed on the command line and updates resolv.conf # Could also add support to check command line for any number of nameservers. NS=$1 # ===> First command line argument echo "nameserver $1" > /etc/resolv.conf #===> Overwrites resolv.conf and adds only the nameserver exit