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upsimage.cgi - Image-generating helper for upsstats.cgi
As a CGI program, this should be invoked through your web
server. If you run it from the command line, it will
either complain about unauthorized access or spew a PNG at
upsimage.cgi generates the graphical bars that make up the
right side of the page generated by upsstats.cgi(8).
These represent the current battery charge, utility volt-
age, and UPS load where available.
The images are in PNG format, and are created by linking
to Boutell's excellent gd library.
upsstats will only talk to upsd(8) servers that have been
defined in your hosts.conf(5). If it complains about
"Access to that host is not authorized", check that file
The gd home page: http://www.boutell.com/gd/
The NUT (Network UPS Tools) home page:
NUT mailing list archives and information:
Wed Oct 16 2002 upsimage.cgi(8)
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