Re: [gentoo-user] Emergency shutdown, how to?

[Volker Armin Hemmann]

On Mittwoch, 2. April 2008, Steven Lembark wrote:
> Liviu Andronic wrote:
>  > On Fri, Mar 28, 2008 at 10:07 AM, Dale <dalek1967@×××××××××.net> wrote:
>  >>> By the way the safest and recommended command, although a bit longish
>  >>> should be ALT+SysRq(or print)+S(ync)+U(mount)+B(Reboot).
>  >>
>  >>  Since I wanted to shutdown instead of reboot, it would be ALT + SysRq
>  >> + S + U + O then correct?
>  >
>  > Are there any potential harms to the hardware / system in case one
>  > tends to abuse (i.e. use more often than necessary) of this command?
>  > It's so often so tempting to shut down your system fast.
>
> Short of a serious emergency (e.g., UPS with
> 30-sec lag and no input power) stick with
> 'shutdown -fh now'. The main problem is that
> you bypass the stop phase of all the app's
> started up via init.d; very little short of
> just hitting the reset switch or yanking the
> power.

if you do it the right way, start with 'e' and 'i', all apps are cleanly 
terminated/killed. So if an app does not quit cleanly, it is broken.

The correct sequence is: e,i,u,b/o and it is absolutly save.
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