Aside from acting as a unique address to each network device in your PC (like wired ethernet port, WiFi, etc), MAC serves different other purposes like MAC authentication, address filtering, static IP assignment, device tracking, etc. That said, not every network device supports changing of MAC address. So if your network device doesn’t support changing of MAC address, then you just can’t change it.
1. When it comes to Ubuntu, changing MAC address is even easier than in Windows. To change MAC address in Ubuntu system, select the network icon in the top panel of Ubuntu and select “edit connections” from the list of options.
2. The above action will open the “network connections” dialog box. Select your connection and click on the “edit” button displayed on the right side.
3. This will open another window where you can edit connection settings. Navigate to the “Ethernet” tab and select your network interface under “device MAC address.” Enter your desired MAC address in the empty box next to “cloned MAC address.”
4. Once you have done that, click on the save button to save changes.
That’s all there is to do, and you can confirm the changes using the below command in your terminal.
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ip link ls
Note: The changes we have done to our MAC address in Ubuntu are just temporary. i.e. they will be reset to the original MAC address on every reboot.