If you face error just isse the followng command to correct it automatically and again run the above command airmon-ng check killĤ- Select the taget Wifi Router or Access Point. This will create a new monitor mode interface which will be wlan0mon or mon or wlan1mon, you should remember this or will have to check again from step 2. This will show the devices and we have to start airmon-ng to monitor mode on one of these devices probably wlan or wlan0 or wlan1ģ- Enable monitor mode on wireless device To check the available devices we can use now. Step By Step How to Crack WPA2 WPA WiFi ( I am using Kali Linux Here ) How to Hack WiFi : Cracking WPA2 WPA WiFi Password (100%)– Step by Step GuideĢ- Compatible Wreless Network Adapter that is supported in Kali Linux or Backtrack.