1.\" Copyright (c) 2004 Poul-Henning Kamp <phk@FreeBSD.org> 2.\" Copyright (c) 2003 Sean M. Kelly <smkelly@FreeBSD.org> 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.Dd October 18, 2014 27.Dt WATCHDOG 8 28.Os 29.Sh NAME 30.Nm watchdog 31.Nd watchdog control program 32.Sh SYNOPSIS 33.Nm 34.Op Fl d 35.Op Fl t Ar timeout 36.Sh DESCRIPTION 37The 38.Nm 39utility can be used to control the kernel's watchdog facility. 40.Pp 41The 42.Fl d 43option 44enables debugging. 45.Pp 46The 47.Fl t Ar timeout 48option 49specifies the desired timeout period in seconds, a value of 50zero will disable the watchdog. 51The default timeout is 128 seconds. 52.Sh SEE ALSO 53.Xr watchdog 4 , 54.Xr watchdogd 8 , 55.Xr watchdog 9 56.Sh HISTORY 57The 58.Nm 59utility appeared in 60.Fx 5.1 . 61.Sh AUTHORS 62.An -nosplit 63The 64.Nm 65utility and manual page were written by 66.An Sean Kelly Aq Mt smkelly@FreeBSD.org 67and 68.An Poul-Henning Kamp Aq Mt phk@FreeBSD.org . 69.Pp 70Some contributions made by 71.An Jeff Roberson Aq Mt jeff@FreeBSD.org . 72