Troubleshooting Kubernetes
A running series of Kubernetes war stories: real production incidents, the wrong first instincts, the actual root cause, and the fix — each one a full troubleshooting walkthrough you can steal at 2 a.m. Cynical, honest, and technically real.
- 1
⎈ The Volume That Wouldn't Let Go: A Kubernetes PVC War Story
A 2 a.m. Kubernetes war story — a Multi-Attach error on an RWO PersistentVolumeClaim took a service down. The real fix, and where devopsaitoolkit.com came from.
July 6, 2026 · 11 min read
- 2
⎈ The Pod That Lied: A Kubernetes Readiness Probe War Story
Series #2 of Troubleshooting Kubernetes: every pod 1/1 Ready, dashboards green, users getting 500s. The readiness probe that lied — and how to write one that can't.
July 6, 2026 · 11 min read
- 3
⎈ The Lookup That Only Failed Inside the Pod: A Kubernetes DNS War Story
Series #3 of Troubleshooting Kubernetes: an external DNS lookup worked from the laptop and the node but timed out only inside the pod. The ndots:5 story, and the fix.
July 7, 2026 · 12 min read
- 4
⎈ The Certificate Nobody Owned: A Kubernetes TLS War Story
Series #4 of Troubleshooting Kubernetes: an expired admission-webhook certificate froze every write in the cluster at 3:47 on a Sunday. The failurePolicy cascade, and the fix.
July 9, 2026 · 12 min read
More installments are on the way. For the full library of Kubernetes runbooks and error guides, see the Kubernetes Troubleshooting Toolkit.