I found this and it seems to work. MT-3000 AX: Disable USB port permanently for security reasons
#turn USB off
echo 0 > /sys/class/gpio/usb_power/value
#turn USB on
echo 1 > /sys/class/gpio/usb_power/value
I found this and it seems to work. MT-3000 AX: Disable USB port permanently for security reasons
#turn USB off
echo 0 > /sys/class/gpio/usb_power/value
#turn USB on
echo 1 > /sys/class/gpio/usb_power/value