#!/bin/sh
ip=$(ip addr show eth0 | grep "inet " | awk '{print $2}' | sed -r 's/\/[0-9]+//')
mac=$(ip addr show eth0 | grep "link/ether" | awk '{print $2}')
v=$(cat /etc/debian_version)

echo "Debian GNU/Linux $v \\\n \\l" > /etc/issue
echo "eth0:   $ip   $mac" >> /etc/issue