this post was submitted on 05 Mar 2025
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Home Assistant in Proxmox, local dns not working (lemmy.ml)
submitted 1 year ago* (last edited 1 year ago) by WbrJr@lemmy.ml to c/selfhosted@lemmy.world
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Hi there, I just installed Proxmox on my home server and like the idea a lot, but there is a noticable learning curve. I used this wonderful website and the provided link for home assistant os.

Usually home assistant is available at homeassistant.local without any configuration, i think its called mdns? But on my setup, homeassistant.local does not work for me, on any device, but the ip does.

So i suspect some settings in the proxmox firewall stops the ha vm mdns service from creating an entry in my router (fritzbox). I could not find any useful information about this though, and AI gave me the usual not quite helpful advice.

I hope you have some tips what i can check. Thanks a lot!

ps: I want to host caddy as a reverse proxy on the server some day. Does it make more sense to host a dns server as well and use caddy to forward to the ip?

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[–] Oisteink@feddit.nl 1 points 1 year ago

Multicast DNS uses multicasting (surprise!) so keep your devices on the same network and it just works. Docker is not very multicast friendly but lxc or a vm should have no issues.