Install Airmon-ng -

sudo iwconfig wlan0mon You should see in the output.

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) Your new interface will be named something like wlan0mon or mon0 . Check the new interface: install airmon-ng

If you’re diving into Wi-Fi penetration testing , network troubleshooting, or just want to understand how wireless networks work under the hood, you’ve probably heard of airmon-ng . This powerful tool is part of the Aircrack-ng suite , and it’s the standard for enabling monitor mode on your wireless card. sudo iwconfig wlan0mon You should see in the output

iwconfig Look for an interface like wlan0 , wlp2s0 , or wlx00c0ca9abcdef . This is your wireless card. Background services like NetworkManager or wpa_supplicant can block monitor mode. Stop them (without killing your session): This powerful tool is part of the Aircrack-ng

sudo airmon-ng check kill This safely stops interfering processes. To restart them later: sudo systemctl restart NetworkManager . Now create a monitor-mode interface. Replace wlan0 with your interface name: