Getting started: which guide to follow?



I am getting stated using balena and I’m a little confused as to which guide I should follow.

At this point I have been all over the place, installing the old (?) resin-cli and then switching to the new balena-cli . The new one gave me errors with rsync so I thought that maybe the problem was my environment manager (conda) so I’ve gotten rid of that and I’m getting ready to jump back in.

Before I get back into learning mode, I’d like to know which guide to follow:
this one -
or this one -

Or is there another one that I’m missing? Or should I do some sort of hybrid guide where I rely on the reference docs to translate from the commands is getting-started to the most recent ones?

Happy to do that if that’s the case, just looking for a nudge in the right direction so that I’m not spending more time learning a tool that is being retired.