On Thu, Nov 06, 2008 at 08:49:49PM +0000, Adrian Bridgett wrote:
> Package: debian-installer
>
> using PXElinux, if you add "IPAPPEND=3" in the pxelinux.cfg,
> /proc/cmdline will contain the boot adapter's MAC address.
>
> Using this we can automatically detect which card the box PXEbooted
> from. This removes the need for us to hardcode eth0 on some servers,
> eth1 on others, eth5 on yet others.
>
> I use the attached script (/bin/set-bootif) run from
> /lib/debian-installer-startup.d/S32set-bootif:
> #!/bin/sh
> /bin/set-bootif
This is a nice thing to have! Installations get difficult if not all
interfaces are usuable for installation (e.g. if they're crosslinks for
DRBD).

> db_set netcfg/choose_interface $interface
> # must mark question as seen otherwise you are reprompted
> db_fset netcfg/choose_interface seen true
Isn't prompting o.k. here? Preselecting the correnct interface and
giving a message that this was autodetected might be better, because
folks might want to choose a different interface.
Cheers,
-- Guido




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On Sat, Nov 8, 2008 at 09:57:26 +0100 (+0100), Guido Günther wrote:
> On Thu, Nov 06, 2008 at 08:49:49PM +0000, Adrian Bridgett wrote:
> > db_set netcfg/choose_interface $interface
> > # must mark question as seen otherwise you are reprompted
> > db_fset netcfg/choose_interface seen true
> Isn't prompting o.k. here? Preselecting the correnct interface and
> giving a message that this was autodetected might be better, because
> folks might want to choose a different interface.

Good point. In my case this was part of an automated install so
prompting would be bad. However I suppose the ideal would be to use
this to try and autodetect the right interface and also provide a way
to automatically accept it _if_ required.

Adrian
--
Email: adrian@smop.co.uk -*- GPG key available on public key servers
Debian GNU/Linux - the maintainable distribution -*- www.debian.org



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