From charlesreid1

The procedure for changing your mac address.

Take Down Network Interface

You'll want to take your network device offline to change your mac address:

$ ifconfig eth0 down

or if you're using wireless,

$ ifconfig wlan2 down

Change Your Mac

Change it to something random:

macchanger -r eth0

Bring Up Your Network Interface

Time to bring your network device back online:

$ ifconfig eth0 up

Check To Make Sure

$ ifconfig