TIL: How to Fix DNS Resolution Issues in K3s Related to Flannel Networking
TIL: How to Fix DNS Resolution Issues in K3s Related to Flannel Networking Recently, I was trying to set up the kubernetes-dashboard, to make it easier to monitor my k8s cluster. I however noticed I was getting the following error: … > add-kubernetes-dashboard via 🐹 v1.22.2 via via ❄ impure (nix-shell-env) k$ kubectl logs -n monitoring kubernetes-dashboard-kong-75bb76dd5f-b27ll 2024/05/05 20:55:21 [error] 1319#0: *274054 [lua] init.lua:371: execute(): DNS resolution failed: failed to receive reply from UDP server 10.43.0.10:53: timeout. Tried: nil, client: 127.0.0.1, server: kong, request: "GET / HTTP/2.0", host: "localhost:8443", request_id: "af30b3162db70e2de8f1073a40f7d865" Weird the DNS resolution seems to be failing, so I decided to follow the Kubernetes guide to try to debug issues. ...