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Mac > Mac Misc > Re: Power-Butto...
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Re: Power-Button on PowerBook G4 FW800

by Jolly Roger <jollyroger@[EMAIL PROTECTED] > May 9, 2008 at 04:10 PM

In article <slrng29dq8.1ujb.g.kreme@[EMAIL PROTECTED]
>,
 Lewis <g.kreme@[EMAIL PROTECTED]
> wrote:

> In message <jollyroger-A2A747.12210009052008@[EMAIL PROTECTED]
> 
>   Jolly <jollyroger@[EMAIL PROTECTED]
> wrote:
> > In article <slrng290fi.1214.g.kreme@[EMAIL PROTECTED]
>,
> >  Lewis <g.kreme@[EMAIL PROTECTED]
> wrote:
> 
> >> In message
<4E9B76ED-7EE4-4418-BA5D-6E9B2C9443B9%edv@[EMAIL PROTECTED]
> 
> >>   Florian <edv@[EMAIL PROTECTED]
> wrote:
> >> > Hi NG,
> >> > i have wall-mounted a headless powerbook to become my home server.
> >> > I have added a new power button on the outside.
> >> > Is there a possibility to change the switch-off behavior in osx?
> >> > I want a direct shutdown (shutdown now -h) instead off the finders 
> >> > shutdown dialog. I run os 10.4.11 on this machine.
> >> 
> >> First, Bad idea.
> 
> > You think doing a graceful shut down without the confirmation dialog
is 
> > a bad idea?
> 
> You think shutdown -h now is graceful?

The OP went through the trouble of installing a power button on the 
outside of the case. It's obvious he wishes to press the power button to 
shut down the machine - he simply wants to avoid the Mac OS X shutdown 
dialog that appears when he presses the power button. Doing this sort of 
shutdown is *very* graceful when compared to either 'shutdown -h now' or 
interrupting power by holding the power button in for 6 seconds - 
especially the latter.

Since you ask, yes, 'shutdown -h now' in *indeed* a graceful shutdown. 
The operating system does a normal, if expedient, shut down, flu****ng 
disk caches and so on, like normal. The logout operation is forced, and 
applications running in the user space are force quit, in effect, but 
the rest of the shutdown operation is quite graceful.

Cutting power, on the other hand, doesn't even give the operating system 
a chance to flush the disk cache to disk!  This is a bad idea, for 
obvious reasons.

> >> Second, press and hold the power button for 6 seconds.
> 
> > ...but you think cutting power to the system while it's running is a 
> > good idea?
> 
> No, I said it was a bad idea.

Actually, you said shutting down by pressing the power button (not 
holding it down) and avoiding the shutdown dialog was a bad idea.  Then 
you suggested cutting power as an alternative or solution.

-- 
Please send all responses to the relevant news group. E-mail sent to
this address may be devoured by my very hungry SPAM filter. I do not
read posts from Google Groups. Use a real news reader if you want me to
see your posts.

JR
 




 17 Posts in Topic:
Power-Button on PowerBook G4 FW800
Florian Zschocke <edv@  2008-05-09 12:09:28 
Re: Power-Button on PowerBook G4 FW800
Lewis <g.kreme@[EMAIL   2008-05-09 11:55:14 
Re: Power-Button on PowerBook G4 FW800
Jolly Roger <jollyroge  2008-05-09 12:21:00 
Re: Power-Button on PowerBook G4 FW800
Lewis <g.kreme@[EMAIL   2008-05-09 15:42:48 
Re: Power-Button on PowerBook G4 FW800
Jolly Roger <jollyroge  2008-05-09 16:10:19 
Re: Power-Button on PowerBook G4 FW800
Lewis <g.kreme@[EMAIL   2008-05-13 10:08:54 
Re: Power-Button on PowerBook G4 FW800
Jolly Roger <jollyroge  2008-05-13 12:20:58 
Re: Power-Button on PowerBook G4 FW800
Florian Zschocke <edv@  2008-05-09 18:16:15 
Re: Power-Button on PowerBook G4 FW800
Jolly Roger <jollyroge  2008-05-09 14:08:35 
Re: Power-Button on PowerBook G4 FW800
Florian Zschocke <edv@  2008-05-09 20:14:06 
Re: Power-Button on PowerBook G4 FW800
Jolly Roger <jollyroge  2008-05-09 16:02:13 
Re: Power-Button on PowerBook G4 FW800
Florian Zschocke <edv@  2008-05-09 21:39:21 
Re: Power-Button on PowerBook G4 FW800
Jolly Roger <jollyroge  2008-05-09 21:56:12 
Re: Power-Button on PowerBook G4 FW800
fudo <fudo@[EMAIL PROT  2008-05-09 10:42:50 
Re: Power-Button on PowerBook G4 FW800
Jolly Roger <jollyroge  2008-05-09 12:46:05 
Re: Power-Button on PowerBook G4 FW800
Florian Zschocke <edv@  2008-05-09 18:22:42 
Re: Power-Button on PowerBook G4 FW800
fudo <fudo@[EMAIL PROT  2008-05-12 16:17:59 

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tan12V112 Sat Nov 22 7:31:57 CST 2008.