how to configure fixed ip on ubuntu linux

sudo vim /etc/network/interfaces
[ CHANGE : ]
# The primary network interface
auto eth0
iface eth0 inet dhcp

[ TO : ]
# The primary network interface
auto eth0
#iface eth0 inet dhcp
iface eth0 inet static
 address 192.168.0.8
 netmask 255.255.255.0
 network 192.168.0.0
 broadcast 192.168.0.255
 gateway 192.168.0.1
 dns-nameservers 8.8.8.8