'\" t .\" Title: upsimage.cgi .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.78.1 .\" Date: 04/17/2015 .\" Manual: NUT Manual .\" Source: Network UPS Tools 2.7.3 .\" Language: English .\" .TH "UPSIMAGE\&.CGI" "8" "04/17/2015" "Network UPS Tools 2\&.7\&.3" "NUT Manual" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" upsimage.cgi \- Image\-generating helper for upsstats\&.cgi .SH "SYNOPSIS" .sp \fBupsimage\&.cgi\fR .if n \{\ .sp .\} .RS 4 .it 1 an-trap .nr an-no-space-flag 1 .nr an-break-flag 1 .br .ps +1 \fBNote\fR .ps -1 .br .sp 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 you\&. .sp .5v .RE .SH "DESCRIPTION" .sp \fBupsimage\&.cgi\fR generates the graphical bars that make up the right side of the page generated by \fBupsstats.cgi\fR(8)\&. These represent the current battery charge, utility voltage, and UPS load where available\&. .sp The images are in PNG format, and are created by linking to Boutell\(cqs excellent gd library\&. .SH "ACCESS CONTROL" .sp upsstats will only talk to \fBupsd\fR(8) servers that have been defined in your \fBhosts.conf\fR(5)\&. If it complains about "Access to that host is not authorized", check that file first\&. .SH "FILES" .sp \fBhosts.conf\fR(5) .SH "SEE ALSO" .sp \fBupsd\fR(8), \fBupsstats.cgi\fR(8) .SS "Internet resources:" .sp The gd home page: http://libgd\&.bitbucket\&.org .sp The NUT (Network UPS Tools) home page: http://www\&.networkupstools\&.org/