Just sharing for the sake of anyone curious to try it that I’ve had an absolutely fantastic experience running ROCK on Proxmox.
I used to run Roon on a QNAP NAS, but found it pretty sluggish due to the small processor, and there were just too many things running on that NAS. So took a deep breath and bought a NUC, excited to try ROCK. I liked lots about it, its ‘appliance’-ness, its web UI, easy log access. But other things were stupid, especially the inability to set password or permissions on a media drive. So I tried installing DietPi on the NUC after advice from this forum. This was OK for a bit, but I found it finicky to update and manage, and unfortunately this was the least stable option for me - I got dropouts, which I’ve never had before.
So about six months ago I installed Proxmox on the NUC, and installed a ROCK VM on it. It was very easy both to get started on Proxmox and to find suitable settings for ROCK.
ROCK has run, um, rock-solid ever since. And I’ve got around the media drive issue as I store media on a container on the same host, accessed by ROCK as a Samba share (i.e. a network drive, but in truth both machines are on the same physical hardware!). And I have tons of power leftover for things like Home Assistant, VPN gateways, DNS servers etc, all running fast and super super stable. And I haven’t spent a penny on any of it…
If anyone’s curious about such an option and if I can help with how I did this, of course, please feel free to ask…