One of my servers has a weird problem after every reboot: it can ping IP addresses just fine, but it can’t resolve any DNS names. $ ping 8.8.8.8 # works $ ping google.com # ping: google.com: Temporary failure in name resolution I’ve been working around this for a while now: after every reboot I’d SSH in and overwrite /etc/resolv.conf to point straight at 8.8.8.8 instead of the local 127.0.0.53 stub. That got DNS working again, but it was never a real fix. /etc/resolv.conf is regenerated on boot, so my edit vanished the next time the machine came up and I was back to fixing it by hand. This time I decided to attempt to properly debug it with Claude.
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