xAppSoftware

On a terminal window type:

% sudo ifconfig <interface> ether xx:xx:xx:xx:xx:xx

where <interface> is your NIC (normally en0) and xx:xx:xx:xx:xx:xx is the new MAC address that you want to set.

May be you want to change the MAC address of your NIC adapter to test your home network. Here you can find three ways to do this for the eth0 (wifi, ethernet, ….) device:

1. Debian and derived distribution
you need to modify the /etc/network/interfaces, search for the eth0 definitions and at the end of the definitions add the following line: