실행kubectl get nodes조치# 확인sudo kubectl get nodes --kubeconfig /etc/kubernetes/admin.conf# 에러couldn't get current server API group list: Get "https://192.168.0.3:6443/api?timeout=32s": dial tcp 192.168.0.3:6443: connect: connection refused# 조치sudo chmod 644 /etc/kubernetes/admin.conf

오류ERRO[0000] validate service connection: validate CRI v1 runtime API for endpoint "unix:///var/run/dockershim.sock": rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing: dial unix /var/run/dockershim.sock: connect: no such file or directory"조치sudo vi /etc/default/kubelet---------------------------------------KUBELET_EXTRA_ARGS="--container-runtime-endpo..

vi가 정상적으로 작동하지 않을 경우 수행 sudo apt update sudo apt install vim

resetsudo kubeadm reset -f# 오류containerd.sock: connect: no such file or directory# 확인sudo systemctl status containerd# containerd inactive인 경우sudo systemctl restart containerdinitsudo kubeadm init --pod-network-cidr=10.244.0.0/16# 오류detected that the sandbox image "registry.k8s.io/pause:3.8" of the container runtime is inconsistent with that used by kubeadm. It is recommended that using "registr..

sudo netstat -tulnp | grep 6443

sudo crictl ps | grep kube-apiserver