Tuesday, February 23, 2010

How to Setup Static IP Address in Ubuntu Linux from command line

This is for system Administrators and power Users

How can you Setup a Static IP Address from command Line.
This is applicable for Debian / Ubuntu and Its Clones

First You have to remove Network Manager .

Then edit the file /etc/network/interfaces with admin privilege

$ gksu gedit  /etc/network/interfaces

add the Ip as per  your needs ( example I am Going to setup  IP address 192.168.0.5):

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# This is a list of hotpluggable network interfaces.
# They will be activated automatically by the hotplug subsystem.
mapping hotplug
script grep
map eth0

# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.0.5
netmask 255.255.255.0
network 192.168.0.0
broadcast 192.168.0.255
gateway 192.168.0.1