[Nut-upsuser] Problem detecting USB/HID UPS

[Peter Selinger]

Brian Foster wrote:
> 
> Hi all,
> I guess this is more for the development side of things, rather than for 
> my own benefit:
> In response to the permission problems I was experiencing, I looked at 
> the udevinfo output for my Tripplite SMART1200LCD, and this is all it 
> gives me:
> 
> brifo at thebeast:/$ udevinfo -q all -p /class/usb_device/usbdev1.18
> P: /class/usb_device/usbdev1.18
> N: bus/usb/001/018
> E: USB_BUS=001
> E: USB_DEV=018

Did you try running "udevinfo" as root? It seems, if there is a
permission problem, you cannot open the device as a regular user,
hence not get any information about it.

> man udevinfo states that these are the attributes that can be used when 
> making rules for the udev .rules files.  The obvious problem is that the 
> only available information for the Tripplite SMART 1200 USB is its USB 
> connectivity info, which changes with each unplug and boot.  This makes 
> it next to impossible to form dependable permissions rules.  I think 
> I'll take Peter's advice on his website and just run the apps (upsmon,  
> upsdrvctl, etc) as root.  If anyone has any better solutions, I would 
> gladly be open to suggestions. 
> 
> ~Brian Foster
> 
> 
> 
> >
> 
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