Install Airmon-ng (CERTIFIED)

Run iwconfig again. You should now see a new interface (often wlan0mon ) or the same interface in Mode:Monitor .

PHY Interface Driver Chipset phy0 wlan0 ath9k Qualcomm Atheros (mac80211 monitor mode vif enabled for [phy0]wlan0 on [phy0]wlan0mon) (mac80211 station mode vif disabled for [phy0]wlan0) install airmon-ng