Shulou(Shulou.com)06/03 Report--

Unable to connect to the server: x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")

Root@ubuntu:~# kubectl get svcUnable to connect to the server: x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes") root@ubuntu:~# rm-rf $HOME/.kuberoot@ubuntu:~# mkdir-p $HOME/.kuberoot@ubuntu:~# sudo cp-I / etc/kubernetes/admin.conf $HOME/.kube/configroot@ubuntu:~# sudo chown $(id-u): $(id-g) $HOME/.kube / configroot@ubuntu:~# kubectl get svcNAME TYPE CLUSTER-IP EXTERNAL-IP PORT (S) AGEkubernetes ClusterIP 10.96.0.1 443/TCP 9m30s

Delete $HOME/.kube first

Node NotReady

Root@ubuntu:~# kubectl get nodeNAME STATUS ROLES AGE VERSIONubuntu NotReady master 12m v1.17.3

Because no flannel network was created

Root@ubuntu:~# kubectl create-f kube-flannel.ymlpodsecuritypolicy.policy/psp.flannel.unprivileged createdclusterrole.rbac.authorization.k8s.io/flannel createdclusterrolebinding.rbac.authorization.k8s.io/flannel createdserviceaccount/flannel createdconfigmap/kube-flannel-cfg createddaemonset.apps/kube-flannel-ds-amd64 createddaemonset.apps/kube-flannel-ds-arm64 createddaemonset.apps/kube-flannel-ds-arm createddaemonset.apps/kube-flannel-ds-ppc64le createddaemonset.apps/kube-flannel-ds-s390x createdroot@ubuntu:~# kubectl get nodeNAME STATUS ROLES AGE VERSIONubuntu NotReady master 14m v1.17.3

Wait for the network to be created

Root@ubuntu:~# kubectl get nodeNAME STATUS ROLES AGE VERSIONubuntu Ready master 15m v1.17.3

For more information:

What does it mean to have Unable to connect to the remote server?

Genymotion Startup error report: the solution of "unable to connect to the virtual device"

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