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Is there a chat program that works offline and online and has mobile apps. (lemmy.ml)

submitted 1 year ago by LiiTheBaddie@lemmy.ml to c/asklemmy@lemmy.ml

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I am wondering if there is a chat program that works locally when the internet is out but still be connected to from the internet. I know this will be something that is self hosted.

Bonus points if I can set it up on the raspberry pi that is running Home Assistant.

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[–] LiiTheBaddie@lemmy.ml 1 points 1 year ago (1 children)

I did some looking into matrix but couldn't find if it would still work when the internet is out.

[–] DeGandalf@kbin.social 1 points 1 year ago (2 children)

Not really. You need to use a domain (correct me, if I'm wrong, but I think IP adresses don't work) to connect to the homeserver.

In theory you could setup a DNS server in your nezwork, which resolves this domain with the local adress and then it might work, but I'm not sure if the homeserver would like that.

Also I want to add, that I use TeamSpeak, which works perfectly globally and locally, but it's for voice chat.

[–] skullgiver@popplesburger.hilciferous.nl 1 points 1 year ago* (last edited 9 months ago)

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[–] hanke@feddit.nu 1 points 1 year ago

Aah, yes. You're right there. You will require a domain for it to work. Although, you could still have it work with a local DNS server for internet outages. You would still be able to chat locally in that case. But yeah, this does not seem like what OP is looking for.