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Specifically, the only change for this guide's dual-node deployment is to add the worker node details to the [all] and [kube-node] groups, like thisas follows:
In [all], add line:
WORKER_NODE_HOSTNAME ansible_ssh_host=WORKER_NODE_IPADDR ansible_ssh_port=22
In [kube-node], add line:
WORKER_NODE_HOSTNAME
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