[Nut-upsuser] troubleshooting UPS ups at localhost is unavailable

[Arnaud Quette]

2009/12/1 raf <nut at raf.org>:
> Arnaud Quette wrote:
>
>> 2009/11/30 raf <raf at raf.org>:
>> > Arnaud Quette wrote:
>> >
>> >> 2009/11/30 raf <nut at raf.org>:
>> >> > hi,
>> >>
>> >> Hi Raf,
>> >>
>> >> > i've just set up two new computers each with a Powerware 3105 ups.
>> >> > they have identical nut configurations and identical upss which
>> >> > are both plugged in via usb but only one is being detected by nut.
>> >> > the other keeps saying:
>> >> >
>> >> >  Broadcast Message from nut at server-1
>> >> >          (somewhere) at 14:52 ...
>> >> >  UPS ups at localhost is unavailable
>> >> > (...)
>> >>
>> >> everything seems fine there.
>> >> I've recently made several changes and improvements on this driver
>> >> (the USB one) and would be interested in a driver debug output, ie:
>> >> $ /lib/nut/bcmxcp_usb -DDD -a ups
>> >>
>> >> according to these info, I'll be able to give you a solution.
>> >>
>> >> cheers,
>> >> Arnaud
>> >> --
>> >> Linux / Unix Expert R&D - Eaton - http://www.eaton.com/mgeops
>> >> Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org/
>> >> Debian Developer - http://www.debian.org
>> >> Free Software Developer - http://arnaud.quette.free.fr/
>> >
>> > hi arnaud,
>> >
>> > i've attached the output from both hosts. strangely, the output
>> > for the one that works is almost identical to the one that
>> > doesn't.
>>
>> have you started NUT on both machine the same way (ie using
>> /etc/init.d/nut or invoke-rc.d)?
>
> i started it using /etc/init.d/nut start
>
>> the driver starts fine on both machine, but it seems upsd is missing
>> on the 2nd box...
>> can you check it (using "ps")?
>> and if you confirm it is not there, can you try launching upsd
>> manually and report back.
>
> many thanks. that was the problem. i tried restarting it and
> in saw in /var/log/syslog:
>
>  bcmxcp_usb[28359]: Signal 15: exiting
>  bcmxcp_usb[28359]: CLOSING
>  upsmon[28363]: Signal 15: exiting
>  upsmon[28362]: upsmon parent: read
>  bcmxcp_usb[1222]: Startup successful
>  upsd[1223]: listening on 0.0.0.0 port 3493
>  upsd[1223]: Can't open /etc/nut/ups.conf: Can't open /etc/nut/ups.conf: Permission denied
>  upsmon[1225]: Startup successful
>  upsmon[1227]: UPS [ups at localhost]: connect failed: Connection failure: Connection refused
>
> so the cause was that the files in /etc/nut weren't
> group readable to nut.
>
> many thanks for your time. it's working beautifully now.

happy to hear it.

cheers,
Arnaud
-- 
Linux / Unix Expert R&D - Eaton - http://www.eaton.com/mgeops
Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org/
Debian Developer - http://www.debian.org
Free Software Developer - http://arnaud.quette.free.fr/