Setup the connection: nmcli connection add type wifi con-name eduroam ifname wlp3s0 ssid "eduroam" -- wifi-sec.key-mgmt wpa-eap 802-1x.eap ttls 802-1x.identity <your-userid>@tu-dortmund.de 802-1x.phase2-auth mschapv2 802-1x.domain-suffix-match radius.tu-dortmund.de This command will connect you to the eduroam wifi, on the first connection you will be asked for your password: nmcli connection up eduroam --ask