Create a config file (
/var/lib/connman, with the followinf content:
[service_<any_name>] Type = wifi Name = <SSID> EAP = peap Phase2 = MSCHAPV2 Identity = <user_name> Passphrase = <user_password>
<any_name>is a unique identifier among the services in the config file,
<SSID>is the SSID of the network you want to connect to,
<user_password>are the credentials for the user to access the network.