This topic describes how to update the Kubernetes cluster certificates that are about to expire through the Container Service console.


  • A Kubernetes cluster is created with ACK and the cluster certificates are about to expire. For more information, see Create an ACK cluster.
  • The required tasks have been completed. For more information, see Renew cluster certificates.


  1. Log on to the Container Service console.
  2. In the left-side navigation pane under Container Service-Kubernetes, choose Clusters > Clusters.
  3. Click Update Certificate on the right of the target cluster.
    Note If cluster certificates are about to expire in about two months, the system displays the Update Certificate prompt for the cluster.
  4. Click Update Certificate.
  5. Click Confirm.


  • The Update Certificate page displays Success.
  • On the Cluster List page, the Update Certificate prompt of the target cluster has been removed.