jq + kubectl for SRE

Incident-oriented JSON queries for Kubernetes resources

Triage Kubernetes incidents faster with a practical jq + kubectl pocketbook. Real commands, real use-cases, zero fluff: from pod failures and endpoint mismatches to rollout drift, node pressure, and RBAC checks.

Luca Sepe

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About the Book

A practical pocketbook for engineers who need fast, reliable Kubernetes insights during incidents.

Instead of generic jq examples, this guide is built around real-world `kubectl -o json | jq ...` workflows used in production triage: pod health, restarts, pending scheduling, service/endpoints mismatches, node pressure, rollout drift, storage signals, RBAC checks, and more.

Each section is action-oriented:

what to run
when to use it
how to quickly interpret the output

This book is designed for SREs, DevOps engineers, platform teams, and backend engineers who want to move from “cluster feels broken” to concrete evidence in minutes.

You can use it as:

a rapid incident companion
a daily cluster inspection reference
a teaching aid for teams adopting jq-powered Kubernetes troubleshooting

The content is versioned and continuously improved with new operational recipes, so the book stays useful as your environments evolve.

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Author

About the Author

Luca Sepe

Software craftsman with 25+ years of experience building simple, reliable systems.

I work mainly with Go and C-like languages, designing and delivering CLI tools, data pipelines, scrapers, custom toolchains, and production systems in Kubernetes ecosystems.

My engineering style is straightforward: clarity over cleverness, pragmatism over trends, and working software over everything else.

Complexity is optional.

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