I am sorry to necrobump, but I don't get it.
$ sudo echo -n '2-3' | tee -a /sys/bus/usb/drivers/usb/unbind
Produces, on my system, this: 'tee: unbind: Permission denied'. Similarly if I have used 'su' to obtain root:
# echo -n '2-3' | tee -a /sys/bus/usb/drivers/usb/unbind 2-3tee: /sys/bus/usb/drivers/usb/unbind: No such device # ls /sys/bus/usb/drivers/usb 1-1 1-1.2 1-1.6 2-1 bind uevent unbind usb1 usb2 usb3 usb4
I am sorry to necrobump, but I don't get it.
$ sudo echo -n '2-3' | tee -a /sys/bus/ usb/drivers/ usb/unbind
Produces, on my system, this: 'tee: unbind: Permission denied'. Similarly if I have used 'su' to obtain root:
# echo -n '2-3' | tee -a /sys/bus/ usb/drivers/ usb/unbind usb/drivers/ usb/unbind: No such device usb/drivers/ usb
2-3tee: /sys/bus/
# ls /sys/bus/
1-1 1-1.2 1-1.6 2-1 bind uevent unbind usb1 usb2 usb3 usb4