147 lines
4.3 KiB
Groff
147 lines
4.3 KiB
Groff
'\" t
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.\" Title: upsc
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.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
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.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
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.\" Date: 04/17/2015
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.\" Manual: NUT Manual
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.\" Source: Network UPS Tools 2.7.3
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.\" Language: English
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.\"
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.TH "UPSC" "8" "04/17/2015" "Network UPS Tools 2\&.7\&.3" "NUT Manual"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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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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.sp
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\fBupsc\fR \-l | \-L [\fIhost\fR]
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.sp
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\fBupsc\fR \fIups\fR [\fIvariable\fR]
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.sp
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\fBupsc\fR \-c \fIups\fR
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.SH "DESCRIPTION"
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.sp
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\fBupsc\fR is provided as a quick way to poll the status of a UPS server\&. It can be used inside shell scripts and other programs that need UPS data but don\(cqt want to include the full interface\&.
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.SH "OPTIONS"
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.PP
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\fB\-l\fR \fIhost\fR
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.RS 4
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List all UPS names configured at
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\fIhost\fR, one name per line\&. The hostname defaults to "localhost"\&. You may optionally add a colon and a port number\&.
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.RE
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.PP
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\fB\-L\fR \fIhost\fR
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.RS 4
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As above, list all UPS names configured at
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\fIhost\fR, including their description provided by the remote upsd(8) from ups\&.conf(5)\&. The hostname defaults to "localhost"\&. You may optionally add a colon and a port number to override the default port\&.
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.RE
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.PP
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\fB\-c\fR \fIups\fR
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.RS 4
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Lists each client connected on
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\fIups\fR, one name per line\&.
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.RE
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.PP
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\fIups\fR
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.RS 4
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Display the status of that UPS\&. The format for this option is
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\fIupsname[@hostname[:port]]\fR\&. The default hostname is "localhost"\&.
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.RE
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.PP
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\fIvariable\fR
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.RS 4
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Display the value of this variable only\&. By default, upsc retrieves the list of variables from the server and then displays the value for each\&. This may be useful in shell scripts to save an additional pipe into grep\&.
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.RE
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.SH "EXAMPLES"
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.sp
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To list all variables on an UPS named "myups" on a host called "mybox", with upsd(8) running on port 1234:
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.sp
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.if n \{\
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.RS 4
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.\}
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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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.if n \{\
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.RE
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.\}
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.sp
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To list the UPSes configured on this system, along with their descriptions:
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.sp
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.if n \{\
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.RS 4
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.\}
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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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.if n \{\
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.RE
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.\}
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.sp
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To retrieve the status for all UPSes connected to mybox, using Bourne\-shell syntax:
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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$ for UPS in `upsc \-l mybox:1234`; do
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upsc $UPS ups\&.status
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done
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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To list clients connected on "myups":
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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$ upsc \-c myups
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127\&.0\&.0\&.1
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::1
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192\&.168\&.1\&.2
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.fi
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.if n \{\
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.RE
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.\}
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.SH "SCRIPTED MODE"
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.sp
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If you run this program inside a shell script or similar to get the list of devices and variables, you should only consider using output from stdout, not stderr\&.
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.SH "DIAGNOSTICS"
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.sp
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upsc will either print a list of UPS names, a list of all supported variables and their values on the UPS, or an error message\&. If you receive an error, make sure you have specified a valid UPS on the command line, that \fBupsd\fR(8) is really running on the other host and that no firewalls are blocking you\&.
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.SH "HISTORY"
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.sp
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Earlier versions of this program used the \fIupsfetch\fR library and UDP sockets to talk to upsd\&. This version of upsc uses the new \fIupsclient\fR library, which only talks TCP\&. This is why \fIupsct\fR no longer exists\&.
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.SH "SEE ALSO"
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.sp
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\fBupsd\fR(8)
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.SH "INTERNET RESOURCES"
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.sp
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The NUT (Network UPS Tools) home page: http://www\&.networkupstools\&.org/
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