The OpenBao (Vault fork) course focuses on an open source system for managing secrets. Students first learn how OpenBao works: its architecture, how it stores and protects secrets, how authentication, policies and leases fit together, and why sensitive information must never live in plain text. In the practical sessions they do not type commands: they instruct the machine in natural language to set up a local development environment, install and configure OpenBao, create and rotate secrets and write access policies, then review every command and policy the machine produces, check that permissions are no broader than requested, and correct it when something is unsafe. In this way students learn to use OpenBao efficiently and securely for their specific needs, staying in control of what the machine does.
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