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this post was submitted on 21 Aug 2024
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Linux
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I think this one beats them all.
My home server keeps a few services up, including an instance of Jitsi Meet. The server runs nixos and the nixos package for jitsi is incomplete to say the least and doesn't even support authentication, so I use the docker-compose version and I have a script that runs periodically to keep it updated. So far so good, right? Well, no.
Because the server is at home, I have a dynamic external IP address, so I have to use a DDNS provider, but jitsi doesn't expect this and uses a stun server at startup to determine the public IP of the server once, so if my connection goes down or is restarted and the IP changes, jitsi needs to be restarted or it won't work anymore.
The solution?
I've been running this setup since mid 2020 and I expect this to continue until IPv6 becomes the norm.
So... There's no plans to decommission it, ever?
why not just run the IP check script on the box jitsi is on? a quick google gave me this:
dig +short myip.opendns.com @resolver1.opendns.com
and this:wget -q -O - checkip.dyndns.org | sed -e 's/.\*Current IP Address: //' -e 's/<.\*$//'
I already had a script on the router that I used to notify me of network outages, IP changes, keep the DDNS updated, etc. and I thought it was easier to just add a couple lines to that
Valid!
Couldn't it be possible to set a script that restarts jitsi as that user's login shell?
The jitsi user is a system user so it can't login even if you set a key for it. Besides, I wouldn't risk it anyway since that user is in the docker group, if it gets compromised somehow, the attacker would have very high privileges.