logs from nginx show

[emerg] host not found in upstream plex in /etc/nginx/conf.d/ssl.conf

others also show unable to find ip for service names

reboot all failed kube-system stuff

kgp -n kube-system
kdelp ...

troubleshoot dns stuff

src: https://forums.rancher.com/t/k3s-dns-resolution-failure/39091

kubectl run -it --rm --restart=Never busybox --image=busybox:1.28 -- nslookup kubernetes.default
for p in $(kubectl get pods --namespace=kube-system -l k8s-app=kube-dns -o name); do kubectl logs --namespace=kube-system $p; done

fix coredns by rebooting it

so coredns is having issues let’s reboot it

kubectl get pods --namespace=kube-system -l k8s-app=kube-dns -o name
kdelp coredns-...

fix all other pods

kdelp nginx-...
kdelp plex-...