I’m Not a test fan of Umbrel (They are not fully Open-source) I personally recommend spending time to understand and use:
https://raspiblitz.org
Or https://runcitadel.space (from a talented previous Umbrel dev that didn’t like the way things evolved)
Or you can try and download this Node software : https://samouraiwallet.com/ronin
On the other hand if tutorials is what you ask for I got this for example:
https://youtube.com/@MinistryofNodes