I have no issues with Back-UPS RS 1500MS2 on Linux. I had to configure an udev rule though for it to set up a static USB device name since that wasn't happenin

I have no issues with Back-UPS RS 1500MS2 on Linux. I had to configure an udev rule though for it to set up a static USB device name since that wasn't happening out of the box, but other than that - no problems. See http://apcupsd.org/manual/manual.html#usb-configuration http://apcupsd.org/manual/manual.html#usb-configuration