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Manage configuration for a kubeadm cluster persisted in a ConfigMap in the cluster.

Synopsis

There is a ConfigMap in the kube-system namespace called “kubeadm-config” that kubeadm uses to store internal configuration about the cluster. kubeadm CLI v1.8.0+ automatically creates this ConfigMap with the config used with ‘kubeadm init’, but if you initialized your cluster using kubeadm v1.7.x or lower, you must use the ‘config upload’ command to create this ConfigMap. This is required so that ‘kubeadm upgrade’ can configure your upgraded cluster correctly.

kubeadm config

Options

      --kubeconfig string   The KubeConfig file to use when talking to the cluster. (default "/etc/kubernetes/admin.conf")

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