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From: Cursitor Doom <cd999666@notformail.com>
Newsgroups: sci.electronics.design
Subject: Re: OT: Linix goes politics
Date: Sun, 27 Oct 2024 17:34:05 -0000 (UTC)
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On Sun, 27 Oct 2024 09:03:41 GMT, Jan Panteltje wrote:

> On a sunny day (Sat, 26 Oct 2024 22:58:49 -0000 (UTC)) it happened
> antispam@fricas.org (Waldek Hebisch) wrote in
> <vfjs77$2ao$1@paganini.bofh.team>:
> 
>>john larkin <JL@gct.com> wrote:
>>> On Sat, 26 Oct 2024 05:55:57 GMT, Jan Panteltje <alien@comet.invalid>
>>> wrote:
>>> 
>>>>C is cool, asm is cool too.
>>>>The rest? Sometimes I thing as there is less hardware knowledge by
>>>>programmers each of those tries to re-invent the wheel  but without in
>>>>depth knowledge,
>>>>resulting an a bunch of silly 'languages', that will change in every
>>>>new release.
>>>>That will never be secure...
>>>>And why all that code? US got to the moon and back with less power
>>>>than a Raspberry PI version 1
>>> 
>>> A Pi Pico has hundreds of times more compute power. Maybe thousands.
>>> For $7.50.
>>
>>Pi Pico is more powerful than the onboard computer.  But there were also
>>mainframes in ground support center.  Pico can perform more integer
>>instructions per second than those mainframes, but has less memory.
>>And mainframes had fast mass storage (drums and a disk farm).
>>Raspberry PI version 1 has more memory and SD-card has more bandwidth
>>than several mainframe disks.  OTOH I would avoid SD-card in mission
>>critical operations, so probably two Raspberries (two for reliablilty,
>>ground support mainframes also run in redundant configuration) with
>>external USB SSD discs...
> 
> I have 2 Pi4 Raspberries, one with 4 GB RAM and one with 8 GB RAM,
> each with a 4 TB Toshiba harddisk.
> SDcard for the OS to boot from, on one raspi normally that Toshiba
> sleeps on the other it runs 24/7 recording 6 security cams, that one has
> a cooling fan.
> There is Sitecom USB hub in between on each raspi, much more is
> connected to those raspberries, for example RTL_SDR sticks for receiving
> RF stuff, use as spectrum analyzer,
> receives outside weather station, can receive stereo FM, AM, SSB.
> anything from about 20 MHz to 1.6 GHz,
> an audio USB stick (mike), GPS (on the raspi serial port), Huawei 4G USB
> stick for internet access IR camera on the GPIO, air pressure and
> magnetic compass on the GPIO, more...
> Been running fine for years, all on a UPS.
> Have a few more older raspoberries, one also running 24/7 as server for
> some stuff.
> I do make backups from the SDcards to harddisk at times.
> I seem to have stopped backing up to optical media as my 1000 disk box
> was full,
> and the PC with disk burner is mostly off these days.

So it's fair to say you're no technophobe, Jan?