Das OS ist im Rpi-Imager
Raspberry PI OS (other) --> Raspberry PIOS Lite (31-bit)
ausgewählt.
Mittlerweile schon 3 Versuche inc. Image neu auf SSD.
Ergebniss ist immer das gleiche.

Wird auf eine SSD Samsung T5 1TB installiert.
ssh noch drauf und gebootet.
Der Installationsvorgang wird nach Vorgabe von der IOBroker.net Seite durchgeführt.
Nach abarbeiten der Befehle vor der Installation von IOBrocker bringt die
Abfrage nodejs -v den Fehler -bash: nodejs: command not found
Auch der Befehl zum installieren des IOBroker
curl -sLf https://iobroker.net/install.sh | bash -
wird nicht ausgeführt.
Nach Eingabe des Befehls kehrt der RasPi nach kurzer Zeit ohne irgendeine Textausgabe
wieder zum Eingabeauforderung zurück.

Die Ausgaben von update und upgrade habe ich mir hier mal erspart.

----- Start der Installation -----

pi@raspberrypi:~ $ sudo apt update
pi@raspberrypi:~ $ sudo apt upgrade
Y
pi@raspberrypi:~ $ sudo reboot
pi@raspberrypi:~ $ node -v
-bash: node: command not found
pi@raspberrypi:~ $ nodejs -v
-bash: nodejs: command not found
pi@raspberrypi:~ $ npm -v
-bash: npm: command not found

pi@raspberrypi:~ $ curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
## Installing the NodeSource Node.js 12.x repo...


## Populating apt-get cache...

+ apt-get update
Hit:1 http://raspbian.raspberrypi.org/raspbian buster InRelease
Hit:2 http://archive.raspberrypi.org/debian buster InRelease
Reading package lists... Done

## Confirming "buster" is supported...

+ curl -sLf -o /dev/null 'https://deb.nodesource.com/node_12.x/dists/buster/Release'

## Adding the NodeSource signing key to your keyring...

+ curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | gpg --dearmor | tee /usr/share/keyrings/nodesource.gpg >/dev/null
gpg: WARNING: unsafe ownership on homedir '/home/pi/.gnupg'

## Creating apt sources list file for the NodeSource Node.js 12.x repo...

+ echo 'deb [signed-by=/usr/share/keyrings/nodesource.gpg] https://deb.nodesource.com/node_12.x buster main' > /etc/apt/sources.list.d/nodesource.list
+ echo 'deb-src [signed-by=/usr/share/keyrings/nodesource.gpg] https://deb.nodesource.com/node_12.x buster main' >> /etc/apt/sources.list.d/nodesource.list

## Running `apt-get update` for you...

+ apt-get update
Hit:1 http://raspbian.raspberrypi.org/raspbian buster InRelease
Hit:2 http://archive.raspberrypi.org/debian buster InRelease
Get:3 https://deb.nodesource.com/node_12.x buster InRelease [4,584 B]
Get:4 https://deb.nodesource.com/node_12.x buster/main armhf Packages [777 B]
Fetched 5,361 B in 11s (483 B/s)
Reading package lists... Done

## Run `sudo apt-get install -y nodejs` to install Node.js 12.x and npm
## You may also need development tools to build native addons:
     sudo apt-get install gcc g++ make
## To install the Yarn package manager, run:
     curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --dearmor | sudo tee /usr/share/keyrings/yarnkey.gpg >/dev/null
     echo "deb [signed-by=/usr/share/keyrings/yarnkey.gpg] https://dl.yarnpkg.com/debian stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
     sudo apt-get update && sudo apt-get install yarn

pi@raspberrypi:~ $ sudo apt install -y nodejs
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following package was automatically installed and is no longer required:
  python-colorzero
Use 'sudo apt autoremove' to remove it.
The following NEW packages will be installed:
  nodejs
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 15.9 MB of archives.
After this operation, 86.0 MB of additional disk space will be used.
Get:1 https://deb.nodesource.com/node_12.x buster/main armhf nodejs armhf 12.22.7-deb-1nodesource1 [15.9 MB]
Fetched 15.9 MB in 12s (1,276 kB/s)
Selecting previously unselected package nodejs.
(Reading database ... 40514 files and directories currently installed.)
Preparing to unpack .../nodejs_12.22.7-deb-1nodesource1_armhf.deb ...
Unpacking nodejs (12.22.7-deb-1nodesource1) ...
Setting up nodejs (12.22.7-deb-1nodesource1) ...
Processing triggers for man-db (2.8.5-2) ...

pi@raspberrypi:~ $ sudo reboot

pi@raspberrypi:~ $ node -v
v12.22.7
pi@raspberrypi:~ $ nodejs -v
-bash: nodejs: command not found
pi@raspberrypi:~ $ node -v
v12.22.7
pi@raspberrypi:~ $ curl -sLf https://iobroker.net/install.sh | bash -
pi@raspberrypi:~ $