F21 System Wide Change: Default Local DNS Resolver

Andrew Lutomirski luto at mit.edu
Tue Apr 29 21:05:58 UTC 2014


On Tue, Apr 29, 2014 at 12:41 PM, Matthew Miller
<mattdm at fedoraproject.org> wrote:
> On Tue, Apr 29, 2014 at 09:29:00AM -0700, Andrew Lutomirski wrote:
>> OTOH, it would be straightforward to write a tiny stub that forwards
>> 127.0.0.1:53 to something outside the container.
>
> Is this tiny stub a process running inside the container? What starts that
> process? What about in the "single application" docker case where an init
> system isn't used?

No clue.  What sets /etc/resolv.conf right now?

FWIW, how many "single applications" actually work correctly when run
as PID 1?  I suspect that, eventually, Docker will end up with a
specialized PID 1 even for single applications.

--Andy


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