Beta v2 image with ROS support for Navio boards

This is exactly the reason it might not work. Please, try the newer method. We have published the new docs.

This is also fixed and will be updated in the new beta. Sorry for that.

I suggest walking you through every step to launch ardupilot with systemd. This way we can make it as easy as possible for all of users.

As a first step I reckon you might wanna try follow the steps the are shown on SSH login.