A runbook is a documented, step-by-step procedure for performing a routine or emergency operational task — restarting a service, failing over, or responding to a specific alert — so anyone on call can execute it consistently.

Detailed Answer

Good runbooks turn tribal knowledge into repeatable actions and reduce MTTR and reliance on heroes. The best are executable/automated where possible (linked to scripts or one-click actions) and linked directly from alerts so responders find the right steps immediately. Keep them tested and current or they rot.

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Interview Tip

Note the maturity path: static runbook to automated runbook, and linking runbooks from alerts to cut MTTR.

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What is a runbook in DevOps?

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