Kubernetes
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kubectl logs: Follow Logs from Multiple Pods (With Examples)
Learn kubectl logs for one pod, label-selected sets, workload resources, init containers, and crashed pods. Includes –tail, –follow, –all-containers, and stern for production.
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Kubernetes Pod Pending: Causes, kubectl Checks, and Fixes
Learn why a Kubernetes Pod stays Pending, how to read FailedScheduling events, and how to fix CPU, PVC, taint, node selector, and node capacity problems.
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Kubernetes ImagePullBackOff: Causes, Fixes, and Prevention
A practical Kubernetes ImagePullBackOff runbook: read pod events, check image tags, registry credentials, service accounts, node networking, imagePullPolicy, and rollout fixes.
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Kubernetes OOMKilled: Exit Code 137, Memory Limits, and Fixes
A practical Kubernetes OOMKilled runbook: confirm exit code 137, inspect memory requests and limits, separate pod OOM from node pressure, and prevent repeat incidents.
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Kubernetes CPU Throttling: How to Detect and Fix It
Learn what Kubernetes CPU throttling means, how to detect it with kubectl and Prometheus, and how to fix limits, requests, and noisy workloads without guessing.
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kubectl rollout restart: what it does + examples + common mistakes
kubectl rollout restart triggers a rolling restart for a Deployment/DaemonSet/StatefulSet by patching the pod template. Learn safe usage, verification, troubleshooting, and common mistakes.
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