List of devices attached???????????? No permissions

If shown below:
List of devices attached
???????????? No permissions
Set up USB

$ lsusb
Bus 005 Device 001:id 1d6b:0001 Linux Foundation 1.1 root Hub
Bus 004 Device 001:id 1d6b:0001 Linux Foundation 1.1 root Hub
Bus 003 Device 001:id 1d6b:0001 Linux Foundation 1.1 root Hub
Bus 002 Device 003:id 413c:2106 Dell computer Corp.
Bus 002 Device 002:id 0461:4d81 Primax Electronics, LTD
Bus 002 Device 001:id 1d6b:0001 Linux Foundation 1.1 root Hub
Bus 001 Device 010:id 0bb4:0c87 high Tech computer Corp.
Bus 001 Device 001:id 1d6b:0002 Linux Foundation 2.0 root Hub

Find your device to the USB ID
$sudo Vim/etc/udev/rules.d/70-android.rules

subsystem== "USB", attrs{idvendor}== "0bb4", attrs{idproduct}== "0c87", mode= "0666"

ID 0bb4 is Idvendor, 0c87 is idproduct

$sudo chmod a+rx/etc/udev/rules.d/70-android.rules
$sudo Service Udev Restart

Unplug the USB reconnect and perform:

sudo./adb kill-server
./ADB Devices
./adb Root

List of devices attached???????????? No permissions