Octoprint on banana pi a20 with network connection and external HDD

i have a banana pi a20 installed with Debian buster, with an external bootable HDD und a networkconnetion (LAN).
So i want to know how to install octopriint on that banana pi.
I have download the latest version of octoprint as image.
The Printer will be send next week. ( Original Prusa i3 MK3S)
Do you have a Guide for it?
I am not a Linux Expert.

Hello @Alero!

You may have a look on this: OctoPrint On Linux - Install - How To - Chris's Basement

Hi, thanks a lot.
Regards Alero