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content/en/docs/tasks/administer-cluster/kubeadm/kubeadm-certs.md

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 - sig-cluster-lifecycle
 title: Certificate Management with kubeadm
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 {{< feature-state for_k8s_version="v1.15" state="stable" >}}
 
 Client certificates generated by [kubeadm](/docs/reference/setup-tools/kubeadm/kubeadm/) expire after 1 year. This page explains how to manage certificate renewals with kubeadm.
 
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 You should be familiar with [PKI certificates and requirements in Kubernetes](/docs/setup/best-practices/certificates/).
 
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 ## Using custom certificates {#custom-certificates}
 
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 [cert-cas]: /docs/setup/best-practices/certificates/#single-root-ca
 [cert-table]: /docs/setup/best-practices/certificates/#all-certificates
 
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