Good day everyone…
As you can guess from the title, I have installed the ubuntu server image onto the roc-rk3328 (two different devices actually).
It is CONSTANTLY displaying text about Cloud-init, network devices being disconnected or reconnected, multiple others.
I can be in the middle of editing a file with nano and the random text will fill the screen and I have to save and reopen the file to read it correctly.
It happens no matter where I am, whether I’m logged in or not, running updates, etc.
The first terminal is also be the console and those are kernel messages. You can disable kernel messages via sudo dmesg -n 1. If you want to disable kernel messages on console permanently, update the grub cmdline in /etc/default/grub and include quiet and then run update-grub.
This is standard Ubuntu instructions so you can also Google.