Public SourceMage Discussion List

[Arwed von Merkatz <v.merkatz AT gmx.net>]

On Sat, Apr 15, 2006 at 03:51:41AM +0300, Juuso Alasuutari wrote:
> On Friday 14 April 2006 13:32, Arwed von Merkatz wrote:
> > On Fri, Apr 14, 2006 at 11:57:53AM +0200, Mads Laursen wrote:
> <slice>
> > > The reason I'm suggesting this is, that I think it would be a lot
> > > nicer to keep all the network(-card) config in /etc/sysconfig/network
> > > instead of spreading it out over more files. And the format is also
> > > simple enough that something like netconf actually works quite nicely.
> >
> > That is possible with udev, udev rules can call out to a program to
> > determine the name for a device. Sounds like a good idea to me.
> 
> How would an external program export a variable back to udev-space to be 
> used 
> with NAME=? I'm still a bit skeptical, but interested.

Pretty simple actually, I just looked it up in the udev man page as I
haven't done it before:
KERNEL=="eth0", PROGRAM=="/path/to/our/script", NAME="$result"

$result contains the stdout output of PROGRAM. If PROGRAM returns false
the whole rule is dropped.

> While we can of course work on that option and switch to using it later, 
> I've 
> just submitted an edit to udev to test. It's a script which binds network 
> device MAC addresses to their currently assigned interface names. It's of 
> course optional and defaults to n. It's not the most elegant solution, but 
> it 
> works.
> 
> Juuso
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-- 
Arwed v. Merkatz                              Source Mage GNU/Linux developer
                                                    http://www.sourcemage.org