79 lines
2.7 KiB
Groff
79 lines
2.7 KiB
Groff
.\" $NetBSD: lambd.8,v 1.5 2001/12/03 19:03:24 wiz Exp $
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.\"
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.\" Copyright (C) 2001 WIDE Project. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the project nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd July 14, 2001
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.Dt LAMBD 8
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.Os
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.Sh NAME
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.Nm lambd
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.Nd shutdown switch monitoring daemon for Wildlab LAMB
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.Sh SYNOPSIS
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.Nm
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.Op Fl Ldfn
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.Op Fl M Ar str
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.Op Ar usec
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.Sh DESCRIPTION
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.Nm
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monitors shutdown switch on Wildlab LAMB, and issues
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.Dq Li shutdown -h now
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if pressed.
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It also blinks LED every 1 second, or the interval specified by
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.Ar usec .
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Normally
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.Nm
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becomes a daemon on invocation.
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.Pp
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The following options are available:
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.Bl -tag -width indent
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.It Fl L
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Instead of heartbeat, LED will present the current load average.
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A single blink means 0.5 in load average.
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therefore, if you see 4 blinks, the current load average would be 2.
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.Ar usec
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argument decides the interval between LED blinks.
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.It Fl M Ar str
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Show an alphanumeric string,
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.Ar str ,
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in morse code on LED.
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.Ar usec
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argument decides the speed of the morse code.
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.It Fl d
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The flag lets
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.Nm
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generate more messages, and forbids it from shutting down the machine
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even if the shutdown button is pressed.
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.It Fl f
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.Nm
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will run in foreground mode
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.Pq do not become daemon .
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.It Fl n
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Avoid any hardware I/O accesses from
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.Nm Ns .
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.El
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.Sh SEE ALSO
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.Pa http://www.wildlab.com/
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