186 lines
5.2 KiB
Groff
186 lines
5.2 KiB
Groff
'\" t
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.\" Title: upssched.conf
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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: 12/29/2015
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.\" Manual: NUT Manual
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.\" Source: Network UPS Tools 2.7.3.1
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.\" Language: English
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.\"
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.TH "UPSSCHED\&.CONF" "5" "12/29/2015" "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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upssched.conf \- Configuration for upssched timer program
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.SH "DESCRIPTION"
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.sp
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This file controls the operations of \fBupssched\fR(8), the timer\-based helper program for \fBupsmon\fR(8)\&.
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.SH "CONFIGURATION DIRECTIVES"
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.PP
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\fBCMDSCRIPT\fR \fIscriptname\fR
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.RS 4
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Required\&. This must be above any AT lines\&. This script is used to invoke commands when your timers are triggered\&. It receives a single argument which is the name of the timer that caused it to trigger\&.
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.RE
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.PP
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\fBPIPEFN\fR \fIfilename\fR
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.RS 4
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Required\&. This sets the file name of the socket which will be used for interprocess communications\&. This should be in a directory where normal users can\(cqt create the file, due to the possibility of symlinking and other evil\&.
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.RE
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.if n \{\
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.sp
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.\}
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.RS 4
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.it 1 an-trap
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.nr an-no-space-flag 1
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.nr an-break-flag 1
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.br
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.ps +1
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\fBCaution\fR
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.ps -1
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.br
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.sp
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if you are running Solaris or similar, the permissions that upssched sets on this file \fBare not enough\fR to keep you safe\&. If your OS ignores the permissions on a FIFO, then you MUST put this in a protected directory!
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.sp .5v
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.RE
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.if n \{\
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.sp
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.\}
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.RS 4
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.it 1 an-trap
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.nr an-no-space-flag 1
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.nr an-break-flag 1
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.br
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.ps +1
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\fBNote\fR
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.ps -1
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.br
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.sp
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by default, \fBupsmon\fR(8) will run upssched as whatever user you have defined with RUN_AS_USER in \fBupsmon.conf\fR(8)\&. Make sure that user can create files and write to files in the path you use for PIPEFN and LOCKFN\&.
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.sp .5v
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.RE
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.sp
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My recommendation: create a special directory for upssched, make it owned by your upsmon user, then use it for both\&.
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.sp
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The stock version of the upssched\&.conf ships with PIPEFN disabled to make you visit this portion of the documentation and think about how your system works before potentially opening a security hole\&.
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.PP
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\fBLOCKFN\fR \fIfilename\fR
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.RS 4
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Required\&. upssched attempts to create this file in order to avoid a race condition when two events are dispatched from upsmon at nearly the same time\&. This file will only exist briefly\&. It must not be created by any other process\&.
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.sp
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You should put this in the same directory as PIPEFN\&.
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.RE
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.PP
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\fBAT\fR \fInotifytype\fR \fIupsname\fR \fIcommand\fR
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.RS 4
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Define a handler for a specific event
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\fInotifytype\fR
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on UPS
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\fIupsname\fR\&.
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\fIupsname\fR
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can be the special value * to apply this handler to every UPS\&.
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.sp
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This will perform the command
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\fIcommand\fR
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when the
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\fInotifytype\fR
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and
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\fIupsname\fR
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match the current activity\&. Possible values for
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\fIcommand\fR
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are:
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.PP
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\fBSTART\-TIMER\fR \fItimername\fR \fIinterval\fR
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.RS 4
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Start a timer of
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\fIinterval\fR
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seconds\&. When it triggers, it will pass the argument
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\fItimername\fR
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as an argument to your CMDSCRIPT\&.
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.sp
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Example:
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.sp
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Start a timer that\(cqll execute when any UPS (*) has been gone for 10 seconds
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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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AT COMMBAD * START\-TIMER upsgone 10
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.fi
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.if n \{\
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.RE
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.\}
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.RE
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.PP
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\fBCANCEL\-TIMER\fR \fItimername\fR [\fIcmd\fR]
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.RS 4
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Cancel a running timer called
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\fItimername\fR, if possible\&. If the timer has passed then pass the optional argument
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\fIcmd\fR
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to CMDSCRIPT\&.
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.sp
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Example:
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.sp
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If a specific UPS (myups@localhost) comes back online, then stop the timer before it triggers
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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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AT COMMOK myups@localhost CANCEL\-TIMER upsgone
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.fi
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.if n \{\
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.RE
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.\}
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.RE
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.PP
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\fBEXECUTE\fR \fIcommand\fR
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.RS 4
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Immediately pass
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\fIcommand\fR
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as an argument to CMDSCRIPT\&.
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.sp
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Example:
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.sp
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If any UPS (*) reverts to utility power, then execute
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ups\-back\-on\-line
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via CMDSCRIPT\&.
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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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AT ONLINE * EXECUTE ups\-back\-on\-line
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.fi
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.if n \{\
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.RE
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.\}
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.RE
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.RE
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.sp
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Note that any AT that matches both the \fInotifytype\fR and the \fIupsname\fR for the current event will be used\&.
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.sp
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For a complete list of \fInotifytype\fR possible values, refer to the section NOTIFY EVENTS in \fBupsmon\fR(8)\&.
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.SH "SEE ALSO"
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.sp
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\fBupssched\fR(8), \fBupsmon\fR(8)
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.SS "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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