# airmon-ng > Activate monitor mode on wireless network devices. > Part of `aircrack-ng`. > More information: . - List wireless devices and their statuses: `sudo airmon-ng` - Turn on monitor mode for a specific device: `sudo airmon-ng start {{wlan0}}` - Kill disturbing processes that use wireless devices: `sudo airmon-ng check kill` - Turn off monitor mode for a specific network interface: `sudo airmon-ng stop {{wlan0mon}}`