AirCrak NG Essentials
Wireless Card Compatibility
Is My Wireless Card Compatible?
Enter Monitor Mode
sudo airmon-ng start wlan0
(mac80211 monitor mode vif enabled for [phy0]wlan0 on [phy0]wlan0mon) (mac80211 station mode vif disabled for [phy0]wlan0)
If your Wireless card does not support Monitor Mode you will get an error similar to below.
PHY Interface Driver Chipset phy0 wlan0 brcmfmac Broadcom 43430 ERROR adding monitor mode interface: command failed: Operation not supported (-95)
Monitor The Air
sudo airodump-ng wlan0mon