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

submitted 13 hours ago* (last edited 8 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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[–] infinitejones@sh.itjust.works 14 points 12 hours ago (12 children)

I've had similar problems in the past - apparently no internet connection, and both times I narrowed it down to the machine being unable to resolve domain names.

Turns out Tailscale had changed the IP address for the machines' DNS resolution in resolv.conf to 100.100.100.100

That's fine when the machine is connected to Tailscale but not when it isn't!

Reverting the DNS IP back to whatever it was previously, or to something like 1.1.1.1 solved the problem for me, at least to the extent that it could resolve URLs again.

Worth a look, if only to rule it out...?

[–] ludicolo@lemmy.ml 1 points 12 hours ago* (last edited 12 hours ago) (10 children)

I try to nano into my resolv.conf but it appears to only be a symbolic link file. I apologize for my ignorance but is there any other way to revert my dns back?

EDIT: the symbolic link leads to a directory that does not exist:

/run/systemd/resolve/stub-resolv.conf

[–] pipe01@programming.dev 3 points 12 hours ago (1 children)

Does ping 1.1.1.1 work?

[–] ludicolo@lemmy.ml 2 points 11 hours ago

Yes it does

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