0.4.7
It works, it doesn't crash, the beautiful market, and the transactions are showing.. I am ready!
Somehow create_wallet_from_json didn't work in the console, so I copied my wallet's folder over to the right place, started again and now everything is super. It says "not connected" but much better than before, where it was always jumping between not connected, syncing and so on.
Xeroc, they announced that they would provide a solution for linux. I think what they need now is a mobile massage team to relax the shoulder/neck area, maybe lower back, face.. haha