Following the replacement of the last two mac-mini's with nuc's yesterday, today I wrote new startup scripts for these machines (nuc24 replaces video4 and nuc26 replaces video5).

Main differences are: I abandoned the 'post-it' note labeling of the video windows, I could not get this to work consistently on Deb9. I have resized all windows to cover the whole display, i.e. there is no desktop peeking through.

I've found that in order to start the digital video streams, I have had to put in a large delay before the startup script gets going. Otherwise the early video windows do not get started, but non-video applications (e.g. the reservation window) which are started first do get started.

BTW: I have installed ndscope on all the debian9 wall display machines.