How to Find and Change Network Card MAC Address on Ubuntu Linux

A Media Access Control address or MAC address is a unique code assigned to every piece of hardware that connects to the Internet. Internet capable phones, Network Interface Cards for desktop or notebook computers, Wireless Access Cards, and even some memory cards are among the devices that are assigned MAC addresses.

When a manufacturer creates a network capable piece of hardware they will assign the MAC address which will usually begin with a code that is tied to the manufacturer. The MAC address will be unique to every device, even two devices of the same type.

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