using nut-ups with apc UPS on USB

Derek Ragona derek at
Tue Mar 27 23:44:25 UTC 2007

Which FreeBSD version are you running?  In 6.X the devs are created 
automatically on bootup.  In earlier versions you may need to make 
it.  Look at the Makefile in /dev for the correct make option.


At 05:39 PM 3/27/2007, Michael P. Soulier wrote:
>On 26/03/07 Derek Ragona said:
> > I use nut-ups on a number of systems both attached to a UPS and some as
> > network slaves.  In all my systems I use UPS's that have serial interfaces
> > and USB, but connect them via serial.
> >
> > If you read the docs on nut-ups you will see some drivers do support the
> > USB's.  You will need to specify the port in ups.conf typically in
> > /usr/local/etc/nut
> > The line would be:
> > port = /dev/usb0
> >
> > You can experiment with the port to get the right one.  Nut will tell you
> > if is can or cannot talk to the UPS.
>I don't seem to have a /dev/usb0 device file. Do I need to mknod it?

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