[Nut-upsuser] Ubuntu server won't restart

Arjen de Korte nut+users at de-korte.org
Sun Feb 20 08:23:38 UTC 2011

Citeren Erik Hjertén <erik op hjerten.com>:

> I'm quite stuck now so any pointers on how to troubleshoot is most  
> appreciated.

The first thing to check is whether or not the UPS receives the  
shutdown command. Power your system from an alternative source (this  
is important!) and run the command

     /path/to/usbhid-ups -k -a UPS

This signals the UPS to cycle the output (if mains is present) or  
shutdown the output and wait for the power to return (if not). Look at  
the console for messages that are displayed.

If the above works (both with and without mains present), there  
probably is an issue with running this command late in the system halt  
script. This is something the people from Ubuntu should be able to  
help you with. If it doesn't work, come back here for more help.

Best regards, Arjen
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