: Confirm the change by running iwconfig again; the mode should now be listed as "Monitor". Troubleshooting Fern Specific Issues How to Enable MONITOR MODE on Kali Linux
Before enabling monitor mode, you must know the name of your wireless adapter. iwconfig or airmon-ng . fern wifi cracker kali linux enable monitor mode
This is the standard tool for the Aircrack-ng suite, which Fern uses as a backend. : Confirm the change by running iwconfig again;