On Wed, Aug 10, 2016 at 9:31 AM, Mian Tang <mian.tang....@gmail.com> wrote:
> Hi,
> I'm using BeagleBone Black with Wifi dongle plugged-in (TL-WN722N), and
> trying to configure BeagleBone black to get wifi work with my office's wifi
> network. In general, username and password are necessary for my phone, but
> it's more  complicated to configure BeagleBone black. I did following:
> (1) configure /etc/network/interfaces:
>     auto wlan0
>     allow-hotplug wlan0
>     iface wlan0 inet dhcp
>         wpa-driver wext
>         wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
> (2) configure /etc/wpa_supplicant/wpa_supplicant.conf:
>     ctrl_interface=/var/run/wpa_supplicant
>     ap_scan=1
>     network={
>        ssid="officewave"
>        proto=WPA2
>        pairwise=CCMP
>        group=CCMP
>        key_mgmt=WPA-EAP
>        eap=PEAP
>        identity="myemailaddress"
>        password="12345678"
>     }
> And after that, I reboot and run the following command:
>     wpa_supplicant -B -Dwext -iwlan0
> -c/etc/wpa_supplicant/wpa_supplicant.conf -f /var/log/wpa_supplicant.log
> And got the error below:
>     wlan0: failed to initiate ap scan
> I'm a beginner. Could anyone please tell me how to do with this issue, or
> any suggestions?

If your using Jessie, just use connmanctl:

##connman: WiFi
#sudo connmanctl
#connmanctl> tether wifi disable
#connmanctl> enable wifi
#connmanctl> scan wifi
#connmanctl> services
#connmanctl> agent on
#connmanctl> connect wifi_*_managed_psk
#connmanctl> quit


Robert Nelson

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