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Old 04-17-2012, 08:18 PM
Arnt Karlsen
 
Default ..when to scrap old junk, was: old machine wheezy vs apt

On Tue, 17 Apr 2012 15:10:38 +0100, Dom wrote in message
<4F8D79DE.20208@rpdom.net>:

> On 16/04/12 21:34, Aleksandar Kostadinov wrote:
> > To anybody interested, debian wheezy can't run on 64MB RAM on i386.
> > Or actually it can run but package management is unusable so all
> > debian benefits are actually lost.
> >
> > I tried pulling the .deb files on another machine, then transfer to
> > the old machine. But dpkg is killed on 95% reading database (I think
> > OOM killer). It fails even if I try to install 1 package.
>
> I run a basic Wheezy system on old machines with 64MB or 32MB of RAM
> on i386. I agree that the package management is almost unusable
> without work.
>
> What I do for a start is run a cutomised kernel with just the
> necessary drivers for those machines built in. Smaller kernel = more
> memory free for other things. Any devices other than the built in
> ones are supported via kernel modules when needed.
>
> Also, and this is the important thing, I have my own cut-down version
> of the Wheezy repository running on a slightly more powerful machine.
> By reducing the Packages file to just the packages that I use, the
> time and memory needed to process them comes down from hours to a few
> minutes.
>
> I realise that I'm not going to be able to keep these machines
> running for much longer, but I'll keep trying for as long as I can.

..do the math on power, maintenance etc cost on keeping the old
junk running vs doing it e.g in a virtual machine on a newer host
iron, you may find that the newer iron adds academic profits such
as learning to run virtual machines.

..then again, in some climates, you _may_ have a use for the
100W or 300W or so of waste heat generated by that old iron.

..waste heat value: Say 150W @ .5NOK/kWh and per year?
arnt@celsius:~$ qalc 150W*1year*.5NOK/kWh to $
warning: It has been more than one week since the exchange
rates last were updated.
(150 * watt * (1 * year) * (0.5 * NOK)) / (kilowatt * hour)
= approx. $110.73655
arnt@celsius:~$


--
..med vennlig hilsen = with Kind Regards from Arnt Karlsen
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.


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