2. Looking up Card Name
First, identify your Built-in Adapter Name
So first, possibly disable the Plugged-in USB Wifi Dongle.
Then simply play:
ifconfig | grep wl
The grep Command refine the output List showing only the Entries matching the Keyword.
3. Discovering Wireless Driver
Now to find out the Wireless Kernel Module in use
Possibly replace “wlan0” with the identifier found in the former step.
4. Disabling Wifi Adapter
Finally, to Turn Off Wireless Interface
Unload the Kernel Module with:
sudo modprobe -r [MYMOD]
Replace with the current one in the above Command.
So for instance:
sudo modprobe -r wl
Finally, to make the change permanent then Blacklist it editing:
sudo nano /etc/modprobe.d/blacklist.conf
And appending the blacklisted Network Interface Module like:
Ctrl+x to Save & Exit from nano Editor.
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