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KALI – How to fix ‘ioctl(SIOCSIWMODE) failed: Device or resource busy ‘ problem.

26/07/2013

Airmon-ng and airodump-ng may fix to one channel and refuse to return to the default channel hopping mode.

The Problem/Error:

ioctl(SIOSCISWMODE) failed: Device or resource busy

monitor mode fix

The Solution:

sudo ifconfig wlan2 down

sudo iwconfig wlan2 mode monitor

sudo ifconfig wlan2 up

sudo iwconfig wlan2

Now Check your work:

airodump-ng wlan2

Airodump will now channel hop to find new basestations, rather than being fixed to one channel.

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