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Field Courses

Interactive courses on DevOps, SRE, platform engineering, AI agents and security. Learn the ideas that matter in plain language, then try them in simulators and checkpoints, right in your browser.

Plain words firstEvery concept opens with an everyday comparison, then the precise version.
Learn by doingCalculators, simulators and sorting exercises show cause and effect.
Check yourselfEach module ends with a checkpoint that explains the answer.
Pick up where you left offProgress is saved in your browser. Nothing is sent anywhere.

Courses

Book companionAvailable

SRE Workbook

The core ideas of The Site Reliability Workbook: SLIs, SLOs, error budgets, burn-rate alerting, toil, incidents, postmortems and how SRE teams work.

11 modules~50 minBeginner–practitioner
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SecurityPlanned

AI Agent Security

Prompt injection, tool permissions, the OWASP Top 10 for LLM apps, and identity and delegation for agents.

In progress
PlatformPlanned

Platform Engineering

Internal developer platforms, golden paths, self-service, and how to measure developer productivity.

In progress

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