good. and can I do all these thing at the same time / running in parallel ?
Yes correct. You can do all these things and much more with a RaspiBlitz node
Check out the link on how to setup here👇
https://docs.raspiblitz.org/docs/category/raspiblitz-setup
Very easy to do.
Summary
1) get all hardware (pi, SD card, 2TB SSD, etc.)
2) download balena etcher (to flash SD card)
3) download the lastest raspiblitz release
4) flash raspiblitz release to SD card via the etcher program
5) plug everything in to raspberry pi
6) turn on
7) go through setup & IBD
Discussion
Yes absolutely.