how to force a hard reboot remotely

[Robert Bonomi]

> From owner-freebsd-questions at freebsd.org  Sat Jul 16 21:40:19 2011
> Date: Sat, 16 Jul 2011 22:40:19 -0400
> From: Aryeh Friedman <aryeh.friedman at gmail.com>
> To: FreeBSD Mailing List <freebsd-questions at freebsd.org>
> Subject: how to force a hard reboot remotely
>
> Is there any way to force a complete power down and then reset of a
> i386 without physically being present?

Powerdown:   'man shutdown'  see the -p option.  Hardware dependant.

Reset after powerdown:  Hardware dependant.  requires remomte 'console' 
        access of some sort, e.g. 'lights out' managment console.

_Just_ "force a hard reboot', per Subject line:   'man reboot'.