Linux, Q & A, Unix How to Change Media Access Control address ( MAC ) On linux Posted on July 9, 2012 by kartook Change MAC Address in Linux # ifconfig [interface name] down # ifconfig [interface name] hw ether [new MAC address] # ifconfig [interface name] up Example: # ifconfig eth0 down # ifconfig eth0 hw ether 1A:2B:3C:4F:5E:9F # ifconfig eth0 up Try below : Howto setup Second IP address on your Networkcard in linux Linux : how to find your Mac Address ? Linux : How to setup Static IP Address in Ubuntu 10.10 kartook How to configure OpenSSL over apache on Ubuntu Yahoo India sets up Grid Computing Lab at IIT Madras