87 lines
2.5 KiB
Groff
87 lines
2.5 KiB
Groff
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.TH UPSC 8 "Mon Mar 12 2007" "" "Network UPS Tools (NUT)"
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.SH NAME
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upsc \- example lightweight UPS client
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.SH SYNOPSIS
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.B upsc \-l | \-L [\fIhost\fB]
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.B upsc \fIups\fB [\fIvariable\fB]
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.SH DESCRIPTION
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.B upsc
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is provided as a quick way to poll the status of a UPS server. It can be
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used inside shell scripts and other programs that need UPS data but don't
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want to include the full interface.
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.SH OPTIONS
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.IP \-l\ \fIhost\fR
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List all UPS names configured at \fIhost\fR, one name per line. The hostname
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defaults to "localhost". You may optionally add a colon and a port number.
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.IP \-L\ \fIhost\fR
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As above, list all UPS names configured at \fIhost\fR, including their
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description provided by the remote \fBupsd\fR(8) from \fBups.conf\fR(5). The
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hostname defaults to "localhost". You may optionally add a colon and a port
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number to override the default port.
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.IP \fIups\fR
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Display the status of that UPS. The format for this option is
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upsname[@hostname[:port]]. The default hostname is "localhost".
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.IP \fIvariable\fR
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Display the value of this variable only. By default, upsc retrieves
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the list of variables from the server and then displays the value for
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each. This may be useful in shell scripts to save an additional pipe
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into grep.
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.SH EXAMPLES
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To list all variables on an UPS named "myups" on a host
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called "mybox", with \fBupsd\fR(8) running on port 1234:
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.nf
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$ upsc myups@mybox:1234
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battery.charge: 100.0
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battery.voltage: 13.9
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battery.voltage.nominal: 13.6
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. . .
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.fi
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To list the UPSes configured on this system, along with their descriptions:
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.nf
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$ upsc -L
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apc: Back-UPS 500
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ppro2: Patriot Pro II
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.fi
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To retrieve the status for all UPSes connected to mybox, using Bourne-shell
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syntax:
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.nf
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$ for UPS in `upsc -l mybox:1234`; do
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upsc $UPS ups.status
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done
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.fi
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.SH DIAGNOSTICS
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upsc will either print a list of UPS names, a list of all supported variables
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and their values on the UPS, or an error message. If you receive an error,
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make sure you have specified a valid UPS on the command line, that
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\fBupsd\fR(8) is really running on the other host and that no firewalls are
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blocking you.
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.SH HISTORY
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Earlier versions of this program used the \fBupsfetch\fR library and UDP
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sockets to talk to upsd. This version of upsc uses the new
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\fBupsclient\fR library, which only talks TCP. This is why \fBupsct\fR
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no longer exists.
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.SH SEE ALSO
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\fBupsd\fR(8)
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.SS Internet resources:
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The NUT (Network UPS Tools) home page: http://www.networkupstools.org/
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