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.\" $OpenBSD: sensorsd.8,v 1.10 2007/05/30 07:49:37 cnst Exp $
.\"
.\" Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
.\" Copyright (c) 2005 Matthew Gream <matthew.gream@pobox.com>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd March 15, 2005
.Dt SENSORSD 8
.Os
.Sh NAME
.Nm sensorsd
.Nd monitor hardware sensors
.Sh SYNOPSIS
.Nm sensorsd
.Sh DESCRIPTION
The
.Nm
utility retrieves sensor monitoring data like fan speeds,
temperatures, voltages, and
.Xr ami 4
logical disk status via
.Xr sysctl 3 .
If the data is out of given limits, an alert is sent using
.Xr syslog 3
and a command, if specified, is executed.
.Pp
By default,
.Nm
also monitors status changes on all sensors that keep their state.
.Pp
Limit and command values for a particular sensor may be specified in the
.Xr sensorsd.conf 5
configuration file.
This file is reloaded upon receiving
.Dv SIGHUP .
.Sh FILES
.Bl -tag -width "/etc/sensorsd.conf"
.It /etc/sensorsd.conf
Configuration file for
.Nm .
.El
.Sh SEE ALSO
.Xr sysctl 3 ,
.Xr syslog 3 ,
.Xr sensorsd.conf 5 ,
.Xr syslogd 8
.Sh HISTORY
The
.Nm
program first appeared in
.Ox 3.5 .
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