On 2015-03-17 22:39:56 -0500, David Wright wrote:
> Quoting Vincent Lefevre (vinc...@vinc17.net):
> > I would like to know why is eth0 up by default?
> > 
> > IIRC, this wasn't the case in the past, but I'm not sure.
> 
> Not knowing what you mean by the past, nor what you're running, I can
> but hazard a guess. And I mean guess.

IIRC, several years ago, it wasn't up. Three months ago, I used
my laptop with wifi only for 1 - 2 weeks, and there wasn't any
problem, so that it is quite recent I think.

> I can't remember ever having modified /etc/init.d/networking but I
> find I also have /etc/init.d/networking.dpkg-old. Comparing them,
> there is a paragraph which was:
[...]

Perhaps I could do some tests to see whether eth0 was up before
entering this script and after...

> I haven't tried to trace whether /etc/init.d/networking is calling
> ifup_hotplug () on eth0 or any other interface. It's perfectly
> possible that my eth0 is up because I (wicd) am watching for the wired
> interface to appear (because it should prefer it to wlan).

I also use wicd, but I don't track the wired interface (in the config,
the device field is blank instead of containing "eth0") because I use
it for wifi only.

-- 
Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)


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