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For the past couple of weeks, I've been getting near-constant error notifications from Ubuntu (18.04 Cinnamon)

Network service discovery disabled

Your current network has a .local domain, which is not recommended and incompatible with the Avahi network service discovery. The service has been disabled.

I had never heard of Avahi in my life until these showed up. According to this AskUbuntu page, this is some sort of network software used for things like iTunes. I have never used iTunes on this computer. I haven't installed any programs that correlate to when these started to appear, as far as I can recall. The last things I can think of that I installed are the Spotify and Discord clients for Linux, both a couple of months ago, at least.

I'm prepared to disable it as outlined in the post I linked to, but I have to assume that it's there for a reason and some program is using it. Is there any way for me to know why Avahi is active on my system so that I don't break something by disabling it?

Darien Marks
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  • The easiest way is just to leave it as is. But you can disable it. It is safe. – Pilot6 Jun 14 '20 at 17:07
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    Everyone has `avahi` installed. But not all ISP's or routers have `.local` domain. – Pilot6 Jun 14 '20 at 17:09
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    @Pilot6 That is the post I linked to in my question. So no, it does not answer my question. – Darien Marks Jun 14 '20 at 18:10
  • It does answer your question. It has direction how to disable avahi warning. – Pilot6 Jun 14 '20 at 18:14
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    @Pilot6 My question is not "How do I disable it," it's "Why did this start being a problem? How do I determine, using Ubuntu's tools, what program was installed or updated that started generating this additional problem in my life?" – Darien Marks Jun 14 '20 at 18:17
  • This is not a problem. Your ISP is using `.local` domain and avahi warns you about it. – Pilot6 Jun 14 '20 at 18:22
  • You probably didn't read all answers. See https://askubuntu.com/a/616921/167850 – Pilot6 Jun 14 '20 at 18:23
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    @Pilot6 I read them, but I don't understand your comment or the answer you linked to because I don't know much about networking. From context, it seems like you're proposing that my ISP did something? Is that the only thing that would cause this error? – Darien Marks Jun 14 '20 at 18:44
  • Yes, it's the only thing. You can disable this warning as described it other answer, or leave it as is. – Pilot6 Jun 14 '20 at 18:55
  • Okay, thanks. Do whatever you want with this question – Darien Marks Jun 14 '20 at 22:45

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