Installing UPS monitoring for a USB UPS on Ubuntu Server

This is for Ubuntu Server 12.04 64-bit.

Install the NUT software

sudo apt-get install nut

edit file /etc/nut/ups.conf

Scroll down to the example, uncommenting and configuring. Locate the correct driver to use from this page. (Most USB UPSes using the usbhid-ups driver, and port set to auto). Example:

driver = usbhid-ups
port = auto

Note the tag used in the brackets, you will need this later.

edit file /etc/nut/upsd.users

Find the section entitled “Configuring for upsmon”, uncomment and configure, using the example given.

Next edit upsmon.conf and add the example MONITOR line provided in upsd.users, adjusted for your settings.

Lastly, edit nut.conf and set appropriately.

now, restart

service nut restart

If you get this error:

* Restarting Network UPS Tools [ OK ]
Broadcast Message from [email protected]
 (somewhere) at 21:52 ...
Communications with UPS [email protected] lost
Broadcast Message from [email protected]
 (somewhere) at 21:52 ...
UPS [email protected] is unavailable

Run the following commands as root:

udevadm control --reload-rule
udevadm trigger
upsdrvctl start

That’s it.

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