Thanks, I typed that command, and i got my ‘public IP address’ which is the one I was using in immich that begins with 5. Further down the list I saw an IP address I hadn’t seen before neither in the setup of proxmox ve, nor in immich. That one begins wth 192.168 I tried it in immich app, and it worked straight away… It was with the line that had <BROADCAST, MULTICAST, UP, LOWER_UP> in it.

Thank you a million times over, only now I do not feel as relieved as I thought I would. I think this is a lot harder than I thought it would be, as now I have to get it working when I am not inside the same wifi…

It is bedtime for me now, thank you for your help, and everyone else. I will try and pick up where I left off tonight if I can remember what I need to do.