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Talos Linux automatically manages and rotates all server side certs for etcd, Kubernetes, and the Talos API. Note however that the kubelet needs to be restarted at least once a year in order for the certificates to be rotated. Any upgrade/reboot of the node will suffice for this effect. Client certs (talosconfig and kubeconfig) are the user’s responsibility. Each time you download the kubeconfig file from a Talos Linux cluster, the client certificate is regenerated giving you a kubeconfig which is valid for a year. The talosconfig file should be renewed at least once a year, using the talosctl config new command.