#!/bin/bash -x

# Check configuration file is there
if [ ! -e "/home/aaa/conf/`hostname --fqdn`/network/interfaces" ]; 
then echo "Missing interfaces file in configuration"; exit 1;
fi

# Display the changes
echo "The following changes are applied to your network configuration"
diff -Nur /etc/network/interfaces /home/aaa/conf/`hostname --fqdn`/network/interfaces

cp -f /etc/network/interfaces /etc/network/interfaces.bkp
cp -f /home/aaa/conf/`hostname --fqdn`/network/interfaces /etc/network/interfaces

# Restart the network
/etc/init.d/networking restart