Usage
To show available wifi networks
$ nmcli device wifi
To connect to a wifi network
$ nmcli dev wifi connect <BSSID or SSID> password <PASSWORD>
To connect to a wifi on the wlan1 wifi interface
$ nmcli dev wifi connect <BSSID or SSID> password <PASSWORD> iface wlan1 [profile name]
To disconnect an interface
$ nmcli dev disconnect iface eth0
To reconnect an interface marked as disconnected
$ nmcli con up uuid <uuid>
To get a list of UUIDs
$ nmcli con show
To see a list of network devices and their state
$ nmcli dev
To turn off wifi
$ nmcli r wifi off