Home-Assistant: Blank Canvas. I immediately took a snapshot like before: Home-Assistant Snapshot. And there you have it. You have Supervised Home-Assistant running on Proxmox, with instant snapshots you can roll back to. You can use the add-ons in the VM, or you can choose to use containers in docker as you see fit. 2018. 2. 19. · Which actually raises a question. In the HA menu you set the theme on a per-user basis but this does not seem to get applied to all devices logged on as the same user. Unless of course this is a cacheing issue, but then how do.