http://qkpm2ov2rjhjkhfsftskqho77uj5rewd5y44unkf6cb7tdhaxwcvh2id.onion/books/apc/APCUPSD%20User%20Manual.html
Finally,
there are a number of technical reference sections which
gives full details on things like configuration file directives and
event-logging formats. You should begin by reading the Quick Start (see Quick Start for
Beginners ) instructions. Basic User's Guide Quick Start for Beginners apcupsd is a complex piece of software, but
most of its complexities are meant for dealing with older hardware
and operating systems.