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$ kubectl apply -f https://docs.projectcalico.org/v3.17/manifests/calico.yaml
# Flannel is an alternative
$ kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml |
Now let's finally expand our cluster by adding worker nodes. Let's connect to the nodes via SSH and take administrator privileges. Now we paste the command, saved previously, returned to us by kubeadm init
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