[Dnsmasq-discuss] How to add local configuration to Network Manager initiated dnsmasq in Ubuntu 12.04

[Jay Imerman]

Strange. I installed 12.04 from scratch, and had to install dnsmasq
and change it in the NetworkManager. In fact I finally fixed an issue
with the Ubuntu machine itself not resolving names outside itself (ie
Internet DNS) by changing the line to "dns=dnsmasq,dns"

Thus the default on a new install was dns not dnsmasq. I will check
the workstation I upgraded to 12.04 later tonight.



- Jay
Sent from my iPhone

On Oct 9, 2012, at 4:39, Chris Green <cl at isbd.net> wrote:

> On Mon, Oct 08, 2012 at 06:49:38PM -0400, Jay Imerman wrote:
>> On Oct 8, 2012, at 14:04, Chris Green <cl at isbd.net> wrote:
>>
>>> I have run dnsmasq with local configuration for quite a while now to
>>> provide local DNS services on my home LAN.
>>>
>>> I am now upgrading my machines to [xl]ubuntu 12.04 and in this version
>>> dnsmasq is run automatically by Network Manager.  A default installation
>>> just puts the following in resolv.conf:-
>>>
>>>   # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
>>>   #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
>>>   nameserver 127.0.0.1
>>>
>>> How can I customize the dnsmasq configuration in a way that won't get
>>> broken by future upgrades?  The NM dnsmasq runs as follows:-
>>>
>>>   chris$ ps -ef | grep dnsmasq
>>>   nobody    1341  1090  0 17:40 ?        00:00:00 /usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interfaces --pid-file=/var/run/sendsigs.omit.d/network-manager.dnsmasq.pid --listen-address=127.0.0.1 --conf-file=/var/run/nm-dns-dnsmasq.conf --cache-size=0 --proxy-dnssec
>>>
>>> Since the config file is specified as "--conf-file=/var/run/nm-dns-dnsmasq.conf"
>>> it's difficult to do anything that won't get lost at upgrade time.
>> Did you edit /etc/NetworkManager/NetworkManager.conf?  The line should
>> say dns=dnsmasq
>
> *I* didn't edit that line, the upgrade to Ubuntu 12.04 (well xubuntu
> actually but that's of no import) did it.
>
> What I want to know is what is the 'right' way to add local
> configuration to the dnsmasq that Ubuntu 12.04 has added to my system.
> I didn't used to run dnsmasq on this system at all, I run it on a
> separate server system.  However, now that dnsmasq is being run for me
> on my desktop it seems to make sense to me to use it there rather than
> trying to maintain a separate configuration elsewhere.
>
> --
> Chris Green
>
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