https://devzone.nordicsemi.com/f/nordic-q-a/16989/no-such-device-using-hcitool-scanWhen I connect the Nordic 51822 DK to the PC, I can not detect the device using root@riot-VirtualBox:/home/riot# hcitool scan Device is not available: No such device When i type the jlink to detect, there show two devcies: J-Link&gt;ShowEmuListen-USTelligent Community 13Tue, 11 Oct 2016 12:01:51 GMThttps://devzone.nordicsemi.com/thread/65179?ContentTypeID=1Tue, 11 Oct 2016 12:01:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:20d33ae7-a21b-49da-9be5-97bf3a1fe41ddesword<p>@Wojtek Thanks, however, I still can not detect the BLE device, as shown in <a href="https://devzone.nordicsemi.com/question/98119/can-not-detect-the-serial-port-number-when-connect-to-the-nordic-51822-using-jlink-in-ubuntu-144/#98125">devzone.nordicsemi.com/.../</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/65178?ContentTypeID=1Tue, 11 Oct 2016 11:46:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bd9c48a9-9359-4323-8753-39013658d5ffWojtek<p>nrf5x are not controlled by hci commands, so hcitool won&#39;t work. you should use some ble enabled usb dongle if you want such functionality, or just use nordic connectivity driver instead</p><div style="clear:both;"></div>