However, I gave up a long time ago. It took ages until this thread was actually approved. This whole forum seems rather useless to me. Waiting a week before your threads appear is kind of ridiculous.
I went the oldfashined route and digged up the official documentation efpressif is providing. And as it turns out they provide a complete vm image with almost everything preinstalled.
Whoever created that crappy github tutorial: SHAME ON YOU! 32 open issues; 0 replies.