auto eth0
iface eth0 inet static
address 192.168.0.8
netmask 255.255.255.0
gateway 192.168.0.1

ifconfig eth0 up
 /etc/init.d/networking restart

apt-get update && apt-get upgrade

allow-hotplug eth0

sudo vi /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE="eth0"
BOOTPROTO="static"
BROADCAST="192.168.254.255"
DNS1="192.168.254.25"
GATEWAY="192.168.254.254"
HWADDR="F2:24:08:AE:93:10"
IPADDR="192.168.254.236"
NETMASK="255.255.255.0"
ONBOOT="yes"
TYPE="Ethernet"

sudo service network restart

sudo update-rc.d network defaults