nameserver changing
Vizion
vizion at vizion.occoxmail.com
Tue May 31 22:07:52 GMT 2005
On Tuesday 31 May 2005 14:57, the author Giorgos Keramidas contributed to the
dialogue on-
Re: nameserver changing:
>On 2005-05-31 14:33, Vizion <vizion at vizion.occoxmail.com> wrote:
>> Hi
>>
>> I want to be able to automatically remove/add one or more dns servers from
>> the list of dns's used as resolvers by particular machine(s) on a network
>> which I control from data stored in a file in each computer.
>> e.g file might contain lines such as:
>> xxx.xxx.xxx.xxx remove dns xxx.xxx.xxx
>> xxx.xxx.xxx.xxx add dns xxx.xxx.xxx
>> None of the machines are running their own dns servers.
>> The changes will be initiated by cron.
>>
>> Don't ask me why I need to do it -- the answer is far too complicated :-)
>>
>> Suggestions please
>
>You could use the "template" file as a source and generate a shell
>script that will be scp'ed and executed on each host. If you have enoug
>time, you could write a Perl script that will read this format:
>
> 10.0.0.0/8 remove *
> 10.0.0.0/8 add 10.0.0.2
>
>and then create one Perl script for every host. The script could be
>scp'ed (if you have SSH keys set up correctly) and run remotely, with
>something like:
>
> # cat scripts/10.0.0.1.sh | ssh -l root 10.0.0.1
thanks - that sounds reasonable -- is freebsd configured to refer to
etc/hosts to look up the dns server ips on every occasion or do I have to
reload?
David
--
40 yrs navigating and computing in blue waters.
English Owner & Captain of British Registered 60' bluewater Ketch S/V Taurus.
Currently in San Diego, CA. Sailing May/June bound for Europe via Panama
Canal.
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