Rotating Expired etcd TLS Certificates in a Kubernetes Cluster
When etcd TLS certificates expire, the Kubernetes control plane becomes unstable—API server failures, kubelet connection drops, and cluster-wide unresponsiveness commonly follow. This guide outlines a safe, coordinated procedure to renew etcd’s certificate authority (CA) and member certificates across a multi-node etcd cluster without data loss ...
Posted on Fri, 21 Aug 2026 16:43:17 +0000 by TimUSA