Github : https://github.com/snoopspy/gmon

Gitlab : https://gitlab.com/gilgil/gmon

Install

make

Uninstall

make uninstall

Change managed mode into monitor mode

syntax : gmon <interface> [<new interface>]
sample : gmon wlan0 mon0

Change monitor mode into managed mode

syntax : gman <interface> [<new interface>]
sample : gman wlan0 mon0

NetworkManager.conf

# cat /etc/NetworkManager/NetworkManager.conf
[main]
plugins=ifupdown,keyfile

[ifupdown]
managed=false

[keyfile]
unmanaged-devices=interface-name:mon*;interface-name:wlan1;mac:00:11:22:33:44:55

Youtube : https://youtu.be/NsnGbZDrzpg