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Tailscale has messed up my internet connection (lemmy.ml)

submitted 17 hours ago* (last edited 12 hours ago) by ludicolo@lemmy.ml to c/selfhosted@lemmy.world

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I have no idea why this is happening on my arch linux machine. I was trying to set it up as a client device, and now i have no internet connection on my wired network. This is bare metal not docker. I just wanted to add the device to my tailnet.

Any help is appreciated

Thank you for your time.

EDIT: I have completely uninstalled tailscale yet I still do not have internet access. I am connected to the network fine. If i cinnect through wifi it is the same result.

EDIT 2: the error I am recieving is limited connectivity.

EDIT 3: It has been fixed! scrion@lemmy.world solution fixed it!

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[–] SuperUserDO@sh.itjust.works 1 points 14 hours ago (1 children)

Let us know the following

If ping works for: localhost, your gateway, 1.1.1.1, google.com.

The contents of your /etc/resolve.conf

If you have a tun0 interface (ifconfig or ip a)

You said you uninstalled tailscale. Are there any running process or active systemd units laying around?

[–] ludicolo@lemmy.ml 1 points 13 hours ago* (last edited 13 hours ago) (1 children)

So I was able to get it working again by doing this solution that badlotus suggested. I did not delete the file because it was already gone after the first timw I attempted this. If I reboot my device however the issue comes back. If I run the command again my internet is back.

Badlotus' solution:

"Have you tried deleting /etc/systemd/resolved.conf and restarting the service with systemctl restart systemd-resolved?"

[–] SuperUserDO@sh.itjust.works 1 points 11 hours ago* (last edited 11 hours ago)

Good that it's working (kinda).

So it sounds like your DNS resolver is botched. Id dig into the doc on how systemd-resolverd should look and see if you can't rectify what went wrong (the arch wiki should have examples of what a default config looks like).

I don't remember if arch uses cloud init configs but it being reset at boot feels like a cloud init config problem.