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From: Jan Panteltje <alien@comet.invalid>
Newsgroups: sci.electronics.design
Subject: Re: OT: Linix goes politics
Date: Mon, 28 Oct 2024 07:03:34 GMT
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On a sunny day (Sun, 27 Oct 2024 17:34:05 -0000 (UTC)) it happened Cursitor
Doom <cd999666@notformail.com> wrote in <vfltic$hdku$2@dont-email.me>:

>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?

;-) Does not everybody have stuff like that these days?