X.509 Certificates: Structure and Format
Certificate Purpose Public key certificates are fundamental components of PKI (Public Key Infrastructure), forming the security foundation of modern internet communication. When vulnerabilities emerge in these protocols, the impact on global internet security can be severe. For this discussion, we'll simplify the CA (Certificate Authority) conc ...
Posted on Sat, 25 Jul 2026 16:04:31 +0000 by volomike
Renewing Certificates in Kubernetes High Availability Clusters
This command displays the expiration and remaining validity time for all certificates, including client certificates in the /etc/kubernetes/pki directory and client certificates embedded in KUBECONFIG files (admin.conf, controller-manager.conf, scheduler.conf). ### Manual Certificate Renewal The kubeadm certs renew command allows manual certif ...
Posted on Mon, 18 May 2026 01:26:52 +0000 by kiss_FM