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Lessons

Practical AI, security, and infrastructure labs.

Pick the subject that matches the work in front of you. Each live lesson includes the commands, diagrams, and checks needed to repeat it.

Browse the lessons Teaching options

These are field lessons from systems I build and operate: agent workflows, open-source security operations, homelab infrastructure, and self-hosted services. Live lessons appear once below. Planned subjects stay attached to their track, so there is one clear place to start.

Foundations 8 live

AI Foundations

Plain-English lessons on LLMs, tokens, prompts, tools, skills, MCP, memory, and guardrails.

Understand what is happening before you ask an agent to do real work.

How An LLM Responds beginner / 20 min Tokens And Context Windows beginner / 25 min Prompts, Instructions, And System Messages beginner / 25 min What Is An AI Agent Skill? beginner / 25 min Memory, Notes, And Handoffs beginner / 35 min AI Guardrails For Beginners beginner / 25 min Tools, Skills, And MCP beginner / 30 min Prompt Caching intermediate / 35 min
Planned Route one task between local and hosted modelsMeasure retrieval quality in an agent memoryWrite a safe tool contract for an agentTest a multi-agent handoff end to end
Security Ops 4 live

Open-Source SOC And Security Ops Labs

Small labs based on Wazuh, TheHive, Cortex, MISP, Zeek, Suricata, and MCP work.

Turn alerts, IOCs, and playbooks into useful operator workflows.

Turn One IOC Into A Useful MISP Note beginner / 30 min Ask MISP Useful Questions Through MCP beginner / 30 min Write A Small Wazuh Alert Triage Playbook beginner / 35 min Map One Alert To ATT&CK Without Overcomplicating It beginner / 30 min
Planned Turn a Wazuh alert into a TheHive caseRun Cortex enrichment without losing provenanceInvestigate a Suricata alert with Zeek evidenceSync a MISP warning list into detection rules
Infrastructure 4 live

Infrastructure Automation And Homelab Ops

Proxmox homelab, service health, backups, and agent-assisted infrastructure lessons.

Build a small lab, operate it safely, then let agents help only where guardrails exist.

Set Up A Proxmox Homelab beginner / 60 min Design A Lab Layout beginner / 45 min Build A Boring Backup Freshness Check beginner / 40 min Agent-Managed Proxmox Ops advanced / 55 min
Planned Prove a Proxmox backup with a restore drillSegment a homelab with VLANs and firewall rulesMonitor Proxmox storage and capacityPatch a service with snapshot and rollback

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