this post was submitted on 15 Sep 2024
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14
local DNS server does not work as expected (lemmy.ml)
submitted 2 months ago by [email protected] to c/selfhosted
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So I am working on my home server. I installed docker and use a dnsmasq container as my dns server to resolve local ip adresses.

Laptop and server are both linux (ubuntu LTS 24.4)

What works:

  • 'resolvectl status' shows the ip of my dns server
  • i can ping the ip of the dns server (that will run other stuff like nextcloud soon as well)
  • i can use nslookup to resovle server.local to the correct ip address (even after changing the entry, so its not the cache in my laptop)

what does not work:

  • i can not ping server.local (- for testing i have to stop the systemd-resolved.service to run the dnsmasq server, or else there are port collisions, but that should not be the problem i guess. I am happy to hear your solution :))
  • i can also not use ssh to log in to server.local, ip address works

What am i missing?

Thanks a lot already! BTW: ZFS is crazy nice :D

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[–] [email protected] 8 points 2 months ago (2 children)

First, don't use .local, as it's used by mDNS. You should use .internal or a domain you own. I recommend changing before you get any more committed to your environment.

I'm not really following your post, because you're not specifying whether each point is on the server or laptop.

Personally, I dislike Ubuntu on the server because of how it runs stuff like systemd-resolvd, which as you've experienced, gets in the way of standard operation.

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