113 posts in total
2026
Moving Certificate Renewal from crontab to a Kubernetes CronJob
Node IPv6 Prefix Drift: The Silent Cross-Node Pod Network Failure Behind a "Just an Alert"
No Application Could Reach the Database: An AppArmor Stacking Incident Misdiagnosed as a Network Failure
K8s Best Practices Updated: Use Node Swap!
k3s + Cilium + Tailscale Dual-Stack Network Overhaul: Evaluation, Experimentation, and Production Rollout
How to Find Unused Resources in a K8s Cluster?
Connecting Tailscale to Prometheus Monitoring
Rook-Ceph Data Repair in Practice
ArgoCD in Practice: 7 Tips for More Stable GitOps
Argo CD User Management: Local User Configuration and Permission Separation in Practice