Quick Fixes for Common Kubernetes Issues

If you’ve ever used Kubernetes in a real-world project, you've probably hit an error that made no sense at first glance — a Pod stuck restarting, a Service not routing traffic, or your app mysteriously vanishing from the internet. The good news? You’re not alone. This guide walks you through the most common Kubernetes problems developers and DevOps teams face — and more importantly, how to fix them quickly. Whether you're new to Kubernetes or scaling your first production app, consider this your essential cheat sheet. Symptoms: Your Pod starts, crashes, restarts, and repeats the loop. Why it happens: How to fix it: Pro Tip: If your app needs time to boot, adjust initialDelaySeconds in your probe. Symptoms: Your Pod stays in Pending status forever. Why it happens: How to fix it: Look for reasons like Insufficient CPU. Symptoms: You created a Service, but can’t reach your app. Why it happens: How to fix it: If it shows <none> , your Service isn’t routing to any Pods. Symptoms: Pod never gets created due to image pulling failure. Why it happens: How to fix it: Then reference it in your Pod spec.