Troubleshooting

Real project problems and step-by-step solutions.

The remaining 20 errors — RBAC, HPA not scaling, PVC pending, ETCD sadness, cert expiry, quotas and more.

"It works on my pod, why not the service?" — 15 network-layer errors and their fixes.

Fifteen pod-level errors and how to fix each — from CrashLoopBackOff to Pods stuck in Terminating.

A field guide to the most common Kubernetes errors, grouped so you know exactly which article to open when your cluster is on fire.

Producers are outpacing consumers. Here's how to find and fix the bottleneck.

Your pod never leaves Pending. Here's how to figure out why in under 3 minutes.

Fix the classic 'Error acquiring the state lock' without corrupting your state file.

A checklist for the classic 'my container starts and dies in a second' problem.

The classic Postgres scaling wall — and how PgBouncer solves it.

Nine times out of ten it's one of these five issues — here's how to isolate them.

A methodical checklist to diagnose and fix crash-looping pods in production.