initramfs-tools: setting the hostname obtained with dhcp (Bug 18466)

Juan Jesús Ojeda Croissier wrote:
> El mar, 22-11-2005 a las 16:24 -0800, Matt Zimmerman escribió:
> [...]
> 
>>Does klibc or busybox have a hostname command?  It would be simpler to set
>>it in early userspace and be done with it.
> 
> 
> Actually, busybox does.
Yes, but this applet is not built in busybox-cvs-initramfs

> Anyway, since the procfs is the same before and after the initramfs, and
> the real 'hostname' is stored in '/proc/sys/kernel/hostname', we could
> just set the hostname there by echoing.
> For example:
> <file='scripts/nfs-bottom/hostname'>
> ...
> 
> . /tmp/net-${DEVICE}.conf
> 
> if [ -n ${HOSTNAME} ]; then
>    echo ${HOSTNAME} > /proc/sys/kernel/hostname
> fi
> 
> ...
> </file>
I have just tried as you suggest but /proc is unmounted right before
passing to the real init (and remounted by etc/init.d/mountvirtfs?) The
hostname seems to be restored to (none)



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François Périchon
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