Bon… 
Back to square one: I reinstalled everything from scratch following the documentation
I still have a long list of tty in the zwave configuration of gladys but not 1 that recognizes the key…
However, I saw this post:
I’m going to try because I have a USB hub that I had unplugged before installing Gladys
I just tried: same thing…
I think we’re more on a Linux problem than a Docker or Gladys problem
The USB is not « as well » recognized on my Gladys Ubuntu VM as on the Jeedom VM
(for example, on one I can do « ls -l /dev/serial/by-id » and on the other it gives me an error)
If you have any ideas?