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- If any of the weave pods face a problem and gets stuck at "ImagePullBackOff " state, you can try running the " sudo kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')" " again.
- Sometimes, you need to delete the problematic pod, to let it terminate and start fresh. Use "kubectl delete po/<pod-name> -n <name-space> " to delete a pod.
- To "Unjoin" a worker node "kubectl delete node <node-name> (go through the "Undeploy SDNC" process at the end if you have an SDNC cluster running)
- If for any reason you need to re-create kubernetes cluster, first remove /etc/kubernetes/ and /var/lib/etcd and /etc/systemd/system/kubelet.service.d/ . Then run kubeadm init command.
Install Helm and Tiller on the Kubernetes Master Node (k8s-master)
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