cert-manager Certificate Stuck Pending? Debug & Fix (2026)
July 8, 2026
cert-manager Certificate stuck in pending? Debug the Certificate to Challenge resource chain and fix the HTTP-01, DNS-01, and Let's Encrypt rate-limit causes.
#kubectl
kubectl debug Ephemeral Containers: No-Shell Pods 2026
June 25, 2026
Debug a no-shell distroless pod with kubectl debug and ephemeral containers: the --target flag, /proc filesystem access, and CrashLoopBackOff pod copies.
Resize Kubernetes Pods Without Restart (2026 Guide)
June 16, 2026
Resize a running Kubernetes pod's CPU and memory without restarting it using in-place resize: kubectl commands, resizePolicy, QoS rules, and limitations.