#!/bin/sh -e ip=`cat /proc/cmdline | sed 's/ /\n/g' | grep '^ip=' | cut -d = -f 2` gw=`cat /proc/cmdline | sed 's/ /\n/g' | grep '^gw=' | cut -d = -f 2` nm=`cat /proc/cmdline | sed 's/ /\n/g' | grep '^netmask=' | cut -d = -f 2` if [ -n "$ip" ]; then echo echo "Configuring eth0 with $ip netmask $nm gw $gw (via /proc/cmdline)" ifconfig eth0 $ip netmask $netmask route add default gw $gw fi exit 0