After a while of not playing with my EV3 I wanted to play around with Java 8 a little bit I started to setup my EV3 with leJOS 0.9.1-beta setup.
The first mistake (which I did with older leJOS-releases too) was that I unzipped the lejosimage.zip with a double click from Finder which created a lejosimage-folder with the contents. This will cause the sd to not boot.
To create a Java 8 JRE for the SD card I followed the awesome instructions on this blog.
Short command summary:
The created tar needs to be copied to the sd card before booting the first time.
To connect to my EV3 I realized that because of a bug on OSX El Capitan HoRNDIS will not work so I switch to bluetooth which works like a charm (paired devices, connected from Mac to EV3) with ssh:
To avoid remembering the IP I added the following snippet to my .ssh/config: