What is the "better / best " method to multi-boot different OSes natively WITHOUT VirtualBox(es) ?

[Ralf Mardorf]

On Mon, 26 Oct 2020 08:20:15 +0100, Ralf Mardorf wrote:
>Indeed, I've forgotten that some circuits contain big capacitors, so
>discharging using a resistor is usually done (and sometimes even the
>screwdriver is used, not recommended ;).

Oops, I contradict myself. If the gear is powered, we better don't try
to discharge a capacitor :D. If the gear isn't powered, we don't need
galvanic isolation by a transformer.

So I'm mistaken, galvanic isolation is not perfectly safe. But it's
still better to isolate.