I figured out that while performing “npm install” some warnings like :
Colorguard (and 2 others) shoud be installed with install -g or so.

I tried this ans after retrieing with sudo privs it worked.

Now everything is running smooth.

But thx for your help.

Like the topics says I am getting blackscreen with the sampls config. I do not get any errors while starting. but the screen stays black. I am running Ubuntu 17 in Virtualbox.