ensure that /etc/resolv.conf is linked to /run/systemd/resolve/resolv.conf, and not to /run/systemd/resolve/stub- resolv.conf. ln -svf /run/systemd/resolve/resolv.conf /etc/resolv.conf ls -l /etc/resolv.conf conf lrwxrwxrwx 1 root root 32 May 23 19:15 /etc/resolv.conf -> /run/systemd/resolve/ resolv.conf https://kubernetes.io/docs/tasks/administer-cluster/dns-debugging-resolution/ #known-issues 18 • SSH a Ubuntu system running systemd resolved, check that /etc/resolv.conf is linked to /run/systemd/resolve/resolv.conf as described in step 3 in "Before You Install" on page 18 and check that your DNS server

file=/etc/kubernetes/ssl/kube-kubelet-192-168-1-225.pem -- cgroup-driver=cgroupfs --resolv-conf=/run/systemd/resolve/ resolv.conf 4.2.6 Ensure that the --protect-kernel- defaults argument is set to true (Automated) file=/etc/kubernetes/ssl/kube-kubelet-192-168-1-225.pem -- cgroup-driver=cgroupfs --resolv-conf=/run/systemd/resolve/ resolv.conf 4.2.12 Verify that the RotateKubeletServerCertificate argument is set to true (Automated)