power management with pbbuttonsd on older iMac

[Paul Robert]

Derick Centeno wrote:
> On Mon, 28 May 2007 07:25:12 -0600
> Paul Robert <paul at paulrobert.ca> wrote:
>
>   
>> I've seen a lot of people asking the same question, but no clear 
>> answers: How does one access power management options on YDL (using 
>> Gnome, let's say)? pbbuttonsd seems to promise what I'm looking for 
>> (brightness, contrast control, trigger sleep mode) but only on
>> laptops. I have YDL 5.0.1 running on a 2001 iMac DV (bubble model),
>> not a laptop. Can pbbuttonsd be of any use? Any time I try to run
>> pbbuttonsd, I get this message:
>>     
>>> WARNING: No backlight driver available - check your Kernel
>>> configuration. INFO: Initialized: ALSA Mixer
>>> pbbuttonsd 0.8.0: Unknown PowerBook - PMU version: 12
>>> INFO: Script '/etc/power/pmcs-pbbuttonsd performance ac ' lauched
>>> but exitcode is not null
>>>       
>> Obviously powerprefs, (GUI for pbbuttonsd) doesn't work either:
>> ERROR: Server message port not found. Server isn't running.
>>
>> Anybody have suggestions?
>>
>>     
>
> Hi Paul:
>
> Power Management can mean many things, just what kind of power
> (electrical tracking) support do you need??  Whenever I've heard that
> phrase I've always thought it referred to Linux or Unix being in sync
> with a UPS (Uninterruptible Power Supply) so that at brown outs or
> power surges the system has time to receive signals from the UPS
> regarding what is going on, the battery condition of the UPS and when
> the system needs to shutdown, etc.
>
> Maybe that kind of power management is overkill for you; maybe you just
> want a simple power indicator which is available within e17.  However,
> before I assume anything further it would help if you explained a bit
> more.
>
>
> ========
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>   
Okay, so I found the screensaver options under Configure > Configuration 
Panel > Screen Lock (not immediately obvious) and the system seems to 
suspend after the interval I specify ... at least the screen goes black, 
which I'm very happy with. After reading the lists re: controlling 
brightness, I don't think I'll bother trying. Apart from that, I'm 
loving Yellow Dog.
Paul