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Groups > comp.os.linux.misc > #87302

Re: Redundancy/Survival

From TheLastSysop <thelastsysop@dev.null>
Newsgroups comp.os.linux.misc
Subject Re: Redundancy/Survival
Date 2026-05-31 05:09 +0000
Organization The Null Device Restoration Society
Message-ID <d371c36a695dc3112b7d@dev.null> (permalink)
References (8 earlier) <O-CdnbqPFZ_Kcor3nZ2dnZfqnPSdnZ2d@giganews.com> <10vb4pn$3tios$1@dont-email.me> <UYicndKFJtzjuIT3nZ2dnZfqnPSdnZ2d@giganews.com> <n7sqf4Fu3pfU4@mid.individual.net> <mRWdnV86O9inJob3nZ2dnZfqnPSdnZ2d@giganews.com>

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>On Sun, 31 May 2026 00:38:01 -0400, c186282 <c186282@nnada.net> wrote:
>On 5/29/26 02:36, rbowman wrote:
>
>   DID used to know Code ... but that was a LONG time ago.
>
>   But, if NECESSARY, could RE-learn it.
>
>   A fuzzily-tuned spark gap transmitter might
>   be good fun  :-)
>
>   Ah, DID finally get ONE (of four) PiCams to
>   work. Couldn't get three to even acknowledge
>   their existence. The working one - PART of
>   the problem was trying to do "rpi-still"
>   over a VNC connection ... it didn't like that,
>   can't entirely cope with a virtual screen.
>[...trimmed...]
>   into the trash (KEPT the cord though).
> [...trimmed...]

If you want to keep using the CSI Pi camera, I would avoid trying to make the
raw h264 stream look like a webcam and instead put a thin server in front of it.

A safe first check is whether the current stack sees the camera at all:

    libcamera-hello --list-cameras

For a quick LAN stream, something like this on the Pi is usually simpler than
fighting VNC preview windows:

    libcamera-vid -t 0 --inline --listen -o tcp://0.0.0.0:8888

Then on another box, tell VLC what it is receiving rather than letting it guess:

    vlc tcp/h264://PI_ADDRESS:8888

If you need RTSP/MJPEG because other software expects it, put mediamtx,
GStreamer, or ffmpeg between libcamera and the clients. That also keeps the Pi
Zero usable, since the camera capture stays local and the network side can be
made as dumb as possible.

Also worth checking: the older raspistill/raspivid tools and the newer
libcamera/rpicam tools are not interchangeable on recent Raspberry Pi OS images.
Mixing examples from the two eras causes a lot of false trails.

-- 
TheLastSysop <thelastsysop@dev.null>
"I survived the great rm -rf / rehearsal and all I got was this .signature."

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Thread

Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-26 02:21 -0400
  Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-26 08:46 +0200
    Re: Redundancy/Survival Marco Moock <mm@dorfdsl.de> - 2026-05-26 09:49 +0200
      Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-26 04:47 -0400
      Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-26 11:25 +0200
      Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-05-26 09:53 +0000
    Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-26 04:38 -0400
      Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-26 11:35 +0200
      Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-05-26 22:09 +0000
        Re: Redundancy/Survival John Ames <commodorejohn@gmail.com> - 2026-05-26 16:17 -0700
          Re: Redundancy/Survival Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-05-27 00:02 +0000
            Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-27 00:11 -0400
              Re: Redundancy/Survival Marco Moock <mm@dorfdsl.de> - 2026-05-28 10:32 +0200
            Re: Redundancy/Survival Nuno Silva <nunojsilva@invalid.invalid> - 2026-05-27 08:41 +0100
              Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-27 11:04 +0200
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-28 03:31 -0400
                Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-28 09:18 +0100
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-28 13:42 +0200
                Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-28 15:01 +0100
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-28 21:34 -0400
                Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-29 11:07 +0100
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-29 12:55 +0200
                Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-29 12:14 +0100
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-29 13:36 +0200
                Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-29 13:26 +0100
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-29 19:36 +0200
                Re: Redundancy/Survival Richard Kettlewell <invalid@invalid.invalid> - 2026-05-29 17:24 +0100
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-29 19:37 +0200
                Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-29 19:36 +0100
                Re: Redundancy/Survival Richard Kettlewell <invalid@invalid.invalid> - 2026-05-29 22:34 +0100
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-30 04:29 -0400
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-30 13:09 +0200
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-30 23:29 -0400
                Re: Redundancy/Survival InterLinked <usenet@phreaknet.org> - 2026-05-31 21:45 -0400
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-06-01 12:15 +0200
                Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-05-29 04:30 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-29 01:34 -0400
                Re: Redundancy/Survival rbowman <bowman@montana.com> - 2026-05-29 06:36 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-31 00:38 -0400
                Re: Redundancy/Survival TheLastSysop <thelastsysop@dev.null> - 2026-05-31 05:09 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-31 03:10 -0400
                Re: Redundancy/Survival TheLastSysop <thelastsysop@dev.null> - 2026-05-31 07:14 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-06-01 00:49 -0400
                Re: Redundancy/Survival TheLastSysop <thelastsysop@dev.null> - 2026-06-01 04:57 +0000
                Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-06-01 03:20 +0000
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-06-01 19:45 +0200
                Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-06-01 18:30 +0000
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-06-01 22:27 +0200
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-29 02:17 -0400
                Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-06-01 03:50 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-06-01 01:07 -0400
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-06-01 12:47 +0200
                Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-06-01 17:36 +0000
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-06-01 22:33 +0200
                Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-06-01 12:26 +0100
                Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-06-01 17:31 +0000
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-06-01 22:49 +0200
                Re: Redundancy/Survival not@telling.you.invalid (Computer Nerd Kev) - 2026-05-30 09:09 +1000
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-30 13:17 +0200
                Re: Redundancy/Survival not@telling.you.invalid (Computer Nerd Kev) - 2026-05-31 07:33 +1000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-31 00:14 -0400
                Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-31 12:09 +0100
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-06-01 00:51 -0400
                Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-06-01 12:28 +0100
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-31 12:58 +0200
              Re: Redundancy/Survival Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-05-27 20:51 +0000
                Re: Redundancy/Survival John Ames <commodorejohn@gmail.com> - 2026-05-27 14:02 -0700
                Re: Redundancy/Survival not@telling.you.invalid (Computer Nerd Kev) - 2026-05-28 08:54 +1000
                Re: Redundancy/Survival Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-05-28 05:04 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-28 03:54 -0400
                Re: Redundancy/Survival Andy Burns <usenet@andyburns.uk> - 2026-05-28 09:15 +0100
                Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-06-01 12:29 +0000
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-28 13:45 +0200
                Re: Redundancy/Survival Robert Riches <spamtrap42@jacob21819.net> - 2026-05-29 02:50 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-29 01:17 -0400
                Re: Redundancy/Survival rbowman <bowman@montana.com> - 2026-05-29 06:48 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-30 04:25 -0400
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-30 13:20 +0200
                Re: Redundancy/Survival Robert Riches <spamtrap42@jacob21819.net> - 2026-05-30 14:16 +0000
                Re: Redundancy/Survival Robert Riches <spamtrap42@jacob21819.net> - 2026-05-30 04:00 +0000
          Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-26 23:41 -0400
            Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-27 14:09 +0100
              Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-28 03:51 -0400
                Re: Redundancy/Survival rbowman <bowman@montana.com> - 2026-05-28 17:08 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-28 22:14 -0400
                Re: Redundancy/Survival rbowman <bowman@montana.com> - 2026-05-29 04:41 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-29 01:53 -0400
                Re: Redundancy/Survival rbowman <bowman@montana.com> - 2026-05-29 06:32 +0000
                Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-06-01 13:19 +0000
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-06-01 22:52 +0200
                Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-06-01 13:08 +0000
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-06-01 22:55 +0200
        Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-26 22:39 -0400
          Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-27 14:10 +0100
            Re: Redundancy/Survival not@telling.you.invalid (Computer Nerd Kev) - 2026-05-28 09:05 +1000
              Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-28 08:19 +0100
            Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-28 03:52 -0400
              Re: Redundancy/Survival The Natural Philosopher <tnp@invalid.invalid> - 2026-05-28 09:20 +0100
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-28 20:34 -0400
                Re: Redundancy/Survival InterLinked <usenet@phreaknet.org> - 2026-05-28 21:07 -0400
                Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-06-01 13:40 +0000
                Re: Redundancy/Survival rbowman <bowman@montana.com> - 2026-05-29 01:21 +0000
                Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-29 02:08 -0400
                Re: Redundancy/Survival rbowman <bowman@montana.com> - 2026-05-29 06:41 +0000
              Re: Redundancy/Survival Rich <rich@example.invalid> - 2026-06-01 13:23 +0000
                Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-06-01 23:00 +0200
  Re: Redundancy/Survival Marco Moock <mm@dorfdsl.de> - 2026-05-26 09:44 +0200
    Re: Redundancy/Survival c186282 <c186282@nnada.net> - 2026-05-26 04:45 -0400
    Re: Redundancy/Survival "Carlos E.R." <robin_listas@es.invalid> - 2026-05-26 11:38 +0200
  Re: Redundancy/Survival "Worst Case" <fritz@spamexpire-202605.rodent.frell.theremailer.net> - 2026-05-26 17:21 +0200

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