How to set permanent IP in Ubuntu ?

Steps : *) Open the interfaces file : sudo vi /etc/network/interfaces If you are using DHCP you will see the following lines : auth eth0 iface eth0 inet dhcp *) To make it static, Change the line iface eth0 inet dhcp to iface eth0 inet static and add the following just below it: address 10.35.34.209 (IP address that you need to set) netmask 255.255.255.0 (Default mask which in this case is the default class c subnet) gateway 10.35.34.1 (Typically your router’s IP address) network 10.35.34.0 (The network that this machine is running on) broadcast 10.35.34.255 Here is a screenshot of how it should look below : *) Once you save this file you need to restart your networking service. sudo /etc/init.d/networking restart or sudo service networking restart Note : /etc/init.d/networking restart command i...