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.\" $FreeBSD$ 27.\" 28.Dd October 18, 2014 29.Dt WATCHDOG 8 30.Os 31.Sh NAME 32.Nm watchdog 33.Nd watchdog control program 34.Sh SYNOPSIS 35.Nm 36.Op Fl d 37.Op Fl t Ar timeout 38.Sh DESCRIPTION 39The 40.Nm 41utility can be used to control the kernel's watchdog facility. 42.Pp 43The 44.Fl d 45option 46enables debugging. 47.Pp 48The 49.Fl t Ar timeout 50option 51specifies the desired timeout period in seconds, a value of 52zero will disable the watchdog. 53The default timeout is 128 seconds. 54.Sh SEE ALSO 55.Xr watchdog 4 , 56.Xr watchdogd 8 , 57.Xr watchdog 9 58.Sh HISTORY 59The 60.Nm 61utility appeared in 62.Fx 5.1 . 63.Sh AUTHORS 64.An -nosplit 65The 66.Nm 67utility and manual page were written by 68.An Sean Kelly Aq Mt smkelly@FreeBSD.org 69and 70.An Poul-Henning Kamp Aq Mt phk@FreeBSD.org . 71.Pp 72Some contributions made by 73.An Jeff Roberson Aq Mt jeff@FreeBSD.org . 74