How to configure Static IP in Linux

With the below commands you can configure the Static IP address in a Linux machine.

Configure IP address and Subnetmask:

#sudo ifconfig eth0 192.168.1.2 netmask 255.255.255.0

Configure Default Gateway/Router:

#sudo route add default gw 192.168.1.2

Configure DNS addresses:

Under Linux / UNIX / BSD operating system, you need to edit the /etc/resolv.conf file and add the line:

#vi /etc/resolv.conf

Modify or enter nameserver as follows:

nameserver 4.2.2.2
nameserver 4.2.2.1

(Note in your network you should  use your ISP or your local DNS server addresses instead of 4.2.2.2 and 4.2.2.1)