title: Disabling USB ports on a debian machine
body: <p>I think I'm missing something on this case.
  I wanna disable all the USB ports of a machine (to avoid somebody plugs a mouse or a keyboard and ruin everything in it)
  As I saw on other topics, for Kernel above 2.6.38, I have to use this :</p>
  
  <pre><code>echo "0" &gt; "/sys/bus/usb/devices/usbX/power/autosuspend_delay_ms" 
  echo "auto" &gt; "/sys/bus/usb/devices/usbX/power/control"
  </code></pre>
  
  <p>The script is technically working, settings are good in those files but my ports are still working as well.
  What am I missing ?</p>
  
  <p>Thank you !</p>