/etc/resolv.conf

Tue Apr 3 06:31:38 UTC 2012

On 04/03/2012 08:11 AM, Chuck Peters wrote:
>
> I just completed a 12.04 beta2 lubuntu upgrade of an old laptop and
> since the second bootup /etc/resolv.conf is not picking up the correct
> settings from the dhcp server.  It is showing the following:
>
> root at tuxtop:/home/cp# cat /etc/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
> search lan
>
> Obviously we have a bug, but which package?
>
it is not a bug, 12.04 integrate a DNS Resolver daemon and uses 
resolvconf to manage /etc/resolv.conf

You can learn more in the technical overview (section Other, point 5) 
and in this blog post [2]

[1] https://wiki.ubuntu.com/PrecisePangolin/TechnicalOverview/Beta2#Other
[2] http://www.stgraber.org/2012/02/24/dns-in-ubuntu-12-04/

-- 
Jean-Baptiste
irc: jibel