Well, I have the same error - running on a Raspberry Pi 4B with 2GB. I installed it on Raspbian/buster with the latest release just yesterday and tried to follow the instructions for installing the Raspi HQ Cam.
indilib.org/raspberry-pi/raspberry-pi-camera.html

But the command

sudo add-apt-repository ppa:mutlaqja/ppa

Traceback (most recent call last):
  File "/usr/bin/add-apt-repository", line 95, in <module>
    sp = SoftwareProperties(options=options)
  File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 109, in __init__
    self.reload_sourceslist()
  File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 599, in reload_sourceslist
    self.distro.get_sources(self.sourceslist)    
  File "/usr/lib/python3/dist-packages/aptsources/distro.py", line 93, in get_sources
    (self.id, self.codename))
aptsources.distro.NoDistroTemplateException: Error: could not find a distribution template for Raspbian/buster

Hi stash,

stash wrote: IBM wrote a good paper on using MQTT for "serious" Astronomy to share/control data/devices over the world. Biggest plus as I see it is not having to know where the device are. IBM had developed an Ascom wrapper for MQTT but now with Alpaca/Indi maybe it will provide best of all flavours.

Hello Radek,
reading your comment on MQTT driver for INDI, I had to register for this Forum!
I am looking for exactly such a driver!
In times of IoT and home automation, it would totally make sense to have some kind of gateway between INDI and MQTT.
My use case would be (for a starter):
A weather station sends its data via MQTT -> (configurable) INDI Driver makes necessary data available to observatory.

This way, no need to write a specific driver for each and every weather station, just have it send its data via MQTT and the observatory could subscribe to the relevant topics.

Unfortunately, I don't have enough coding experience to write something like this - but definitely willing to test such a driver.

Greetings,
Herwig
astrohd.de

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