Ubuntu 14.04 LTS Server Post-Install

#!/bin/bash
#
# Ubuntu Server 14.04 LTS post-install script
# updating, ntp, static IP, enable firewall
# versie 1.00
# written by Henry den Hengst
#
# update server
sudo apt-get update -y && sudo apt-get upgrade -y
#
# install time-server
sudo apt-get install ntp -y
#
# Enable firewall
sudo ufw enable
#
# Edit /etc/network/interfaces to meet your requirements.
#
sudo sed -i 's!dhcp!static!g' /etc/network/interfaces
sudo sed -i '$ a\address 192.168.0.2' /etc/network/interfaces
sudo sed -i '$ a\netmask 255.255.255.0' /etc/network/interfaces
sudo sed -i '$ a\network 192.168.0.0' /etc/network/interfaces
sudo sed -i '$ a\broadcast 192.168.0.255' /etc/network/interfaces
sudo sed -i '$ a\gateway 192.168.0.1' /etc/network/interfaces
sudo sed -i '$ a\dns-nameservers 192.168.0.1 8.8.8.8 8.8.4.4' /etc/network/interfaces
#
# Re-start networking services
sudo /etc/init.d/network restart