285 posts in total
2026
IPv6 Address Present but No Connectivity: A Complete Diagnosis of an iStoreOS ip6class Mismatch
Moving Certificate Renewal from crontab to a Kubernetes CronJob
Homelab Domain Certificate Automation: acme.sh + Tencent Cloud/Qiniu CDN Deployment Pipeline
Fully Removing Nix: Rebuilding the Local Toolchain with mise + uv, and Handing CI Over to a Single Self-Built Image
Mending the Fold After a NAS Ransomware Attack
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?