On Sun, 2009-06-28 at 14:50 -0700, Vagrant Cascadian wrote: > Package: initramfs-tools > Version: 0.93.3 > Severity: wishlist > Tags: patch > > when booting thin clients with multiple network cards, > initramfs-tools/ipconfig > have a hard time figuring out which interface to use. attached is a patch > which > sets DEVICE to the interface matching the mac address that pxelinux passes > when > using the IPAPPEND 2 or 3 options.
This sounds reasonable, but your patch makes unnecessary use of several
commands.
> diff --git a/scripts/functions b/scripts/functions
> index 77de8f3..ec0ffd2 100644
> --- a/scripts/functions
> +++ b/scripts/functions
> @@ -258,6 +258,19 @@ parse_numeric() {
>
> configure_networking()
> {
> +
> + # pxelinux sets BOOTIF to a value based on the mac address of the
> network
> + # card used to PXE boot, so use this value for DEVICE rather than a
> + # hard-coded device name from initramfs.conf. this facilitates network
> + # booting when machines may have multiple network cards.
> + if [ -n "${BOOTIF}" ]; then
> + normal_mac=$(echo $BOOTIF | sed -e 's,^01-,,g' -e 's,-,:,g' |
> tr [a-z] [A-Z])
You can use sed's y/// command instead of piping to tr.
> + new_device=$(ifconfig -a | awk "/$normal_mac/"'{print $1}')
[...]
You can use the files /sys/class/net/*/address instead of ifconfig.
Ben.
--
Ben Hutchings
When you say `I wrote a program that crashed Windows', people just stare ...
and say `Hey, I got those with the system, *for free*'. - Linus Torvalds
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