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Full Discussion: How to Switch off a Unix machine abruptly
Top Forums UNIX for Advanced & Expert Users How to Switch off a Unix machine abruptly Post 302679805 by methyl on Tuesday 31st of July 2012 05:12:58 PM
Old 07-31-2012
Quote:
practically want to power off a PC , something like unplugging a power cable of a machine which doesnt has a UPS connected to it. Is it possible via any software or statements?
This is a foolish action which is quite likely to damage your data and can result in a system which never works again.

Btw. CentOS is Linux variant. It is not unix.

However if this is a proper server with a management card it should be possible to control the power switch with remote management software (however stupid this action may be). If it is just a PC, not a hope short of using Internet-controlled power switches (which are available).
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LEARN ABOUT OPENSOLARIS

gnome-power-preferences

gnome-power-preferences(1)					   User Commands					gnome-power-preferences(1)

NAME

       gnome-power-preferences - gnome power preferences GUI

SYNOPSIS

       gnome-power-preferences [--help] [--verbose]

DESCRIPTION

       gnome-power-preferences	is a GUI configuration program. It enables you to configure your preferred desktop power management policies, e.g.
       blank screen when lid is closed, hibernate system when battery power is low, suspend system when power button is pressed, or let  CPU  fre-
       quency dynamically adjust based on process load. Then, these policies are enforced by gnome-power-manager(1).

OPTIONS

       This  program  follows  the usual  command line syntax, with long options starting with two dashes (`-').  A summary of options is included
       below.

       --help	       Show summary of options.

       --verbose       Show extra debugging.

EXAMPLES

       Example 1: Launching gnome-power-preferences with the display of extra debugging messages.

       example% gnome-power-preferences --verbose

EXIT STATUS

       The following exit values are returned:

       0	Application exited successfully

       >0	Application exited with failure

FILES

       The following files are used by this application:

       /usr/bin/gnome-power-preferences

	   Executable for gnome power preferences GUI

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-power-manager	   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |Volatile			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       gnome-power-manager(1), gnome-power-statistics(1), attributes(5)

NOTES

       This manual page was written by Oliver Grawert ogra@ubuntu.com for the Debian system.

       Updated by Simon Zheng, Sun Microsystems Inc., 2008.

SunOS 5.11							    18 Feb 2008 					gnome-power-preferences(1)
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