On Nov 27 09:37:19, mytraddress@gmail.com wrote:
> The main thing I am trying to do is to make it sleep
> every now and then to protect resources.
How much eletricity does the machine eat?
(What other "resources" are you concerned about?)
> 1) Make it sleep and wake up when woken up remotely
> I investigated Wake On Lan, which I enabled via ifconfig. However, this system is deployed remotely, and I have no access to other computers on the LAN, so I am unable to make this work.
>
> 2) Make it sleep for a few hours and then wake up
Do you know in advance at what hours the machine
needs to run, and when it can sleep?
> After 3hours+ of research in man pages and the internet,
> I have not seen any solution for that.
Some machines have a wake option in their BIOS.
> 3) hard drives Spin down, CPU lower freq
> I have been able to lower the CPU speed by running `apm -L`.
How much electricity have you saved by that?
> I haven't been able to spin down the hard drives.
How much resources would that save?
I you are concerned about resources, wouldn't you be better off
getting a low-power machine, with SSD disks? There are machines
out there that eat around 10W and get the job done (dependeing
on the job of course); and SSD doesn't need to spin down.
> I cannot share the full dmesg for security reasons
Bullshit.
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