Runbooks

One symptom per page. Confirm it, follow the branch the output points to, and stop when the check says the incident is over.

• How to Fix OOMKilled in Kubernetes (2026)

  OOMKilled means a container was terminated for using more memory than its limit. How to confirm exit code 137, and how to tell it apart from a Pending pod.

• How to Fix ImagePullBackOff in Kubernetes (2026)

  ImagePullBackOff means Kubernetes could not pull the container image and is waiting longer between tries, up to 5 minutes. The checks from the official docs.