Bob ubuntu-qygzanxc at
Fri Jun 20 04:52:03 UTC 2014

** Reply to message from "Bob" <ubuntu-qygzanxc at> on Thu, 19 Jun
2014 13:38:09 -0700

> I have a UPS and have installed the NUT Monitor.  I have just noticed that it
> has not been running for a while.  At startup the NUT window closed before I
> could see any error messages so I started it from the command line.  I assume
> the reason it stopped running is that a driver has not been installed after an
> Ubuntu update.  Being a somewhat newbe to Ubuntu I had expected that an update
> would not cause this kind of problem.

The file /etc/nut/upsd.users was over written, most likely by a system update. 
The file /etc/nut/ups.conf had not been changed.

> Do I need to uninstall the NUT Monitor and reinstall it or is there another way
> to get the driver working?

I removed the NUT-Monitor and reinstalled it.  I am getting the same results as

> Is there a way to tell when I need to do that after an update?
> bob1 at Jupiter:/$ NUT-Monitor
> Traceback (most recent call last):
>   File "/usr/bin/NUT-Monitor", line 901, in <module>
>     gui = interface()
>   File "/usr/bin/NUT-Monitor", line 216, in __init__
>     self.connect_to_ups()
>   File "/usr/bin/NUT-Monitor", line 685, in connect_to_ups
>     commands = self.__ups_handler.GetUPSCommands( self.__current_ups )
>   File "/usr/lib/python2.7/dist-packages/", line 173, in GetUPSCommands
>     raise Exception, result.replace( "\n", "" )

What program do other people use to monitor a UPS?

Robert Blair

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