Commands
Install Mac Changer tool
sudo apt-get install macchanger
Find the interface (The interface you will use to spoof the Mac address)
ip addr
Setup a random Mac Address
macchanger -r <interface-name>
Setting up a Specific MAC ID
macchanger --mac=XX:XX:XX:XX:XX:XX <interface-name>
Restore Mac Address
macchanger -p <interface-name>