20 articles tagged with Debugging.
Teams spend most of their Kubernetes time debugging, not building. This is the map to the errors that eat that time: what each one means, how to diagnose it fast, and the fix.
A pod that logged fine for weeks starts throwing EMFILE at 3am. Here's how to tell a real file-descriptor leak from a limit that's just set too low.
The ordered kubectl toolkit we reach for when a pod misbehaves, with the five commands we run first and what each one actually tells you.
A node flips to NotReady and pods start disappearing. Here's the order we check things in, the usual culprits, and how to recover without making it worse.
A PVC stuck in Pending means nothing on the cluster can hand it a volume. Here's how we read the events and get it bound fast.
A pod can't reach a service by name, the app throws connection errors, and everyone blames the network. Usually it's DNS, and usually it's fixable.
When RAG answers go sideways, the model usually isn't the problem. Here's the top-to-bottom checklist we run to find where retrieval actually breaks.
Your pods are running, your Service exists, and nothing can reach it. Here's the exact order we check things when a Kubernetes Service goes dark.
A 502 from your ingress means no healthy backend to talk to. A 504 means the backend answered too slowly. Here's how to tell them apart and fix each.
A pod stuck in CreateContainerConfigError means kubelet can't build the container config, almost always a ConfigMap or Secret reference that doesn't line up.
Every crash loop leaves a number behind. Learn to read exit codes straight from kubectl describe and know the fix before you open the logs.
Evicted pods are the kubelet telling you a node ran out of something. Here's how to read the signal, stop the bleeding, and keep it from happening again.
