Content Hub¶
Browse all learning content by asset type, domain, or tier. This is the canonical surface for finding content by format.
New? Start at training/START_HERE.md.
Topic Universe¶
289 topics organized into four tiers by career relevance:
| Tier | Label | Topics | Focus |
|---|---|---|---|
| 1 | Core | 128 | Resume-proven, interview-lead skills |
| 2 | Professional | 90 | Job-relevant, actively building depth |
| 3 | Specialty | 36 | Growth/aspirational, not yet resume-ready |
| 4 | Life Skills | 35 | Nice-to-know, enrichment, edge cases |
Tier Filter
Content index pages default to DevOps Focus (tiers 1–3), hiding Life Skills topics. Click All Tiers to see everything, or Core Only for resume-proven skills.
Browse by Content Type¶
Reference & Prose¶
| Type | Count | Description | Link |
|---|---|---|---|
| Primers | 240 | Introduction to each topic | Browse |
| Street Ops | 240 | Practical operations guides | Browse |
| Footguns | 240 | Common pitfalls and gotchas | Browse |
| Trivia | 209 topics, 2197 facts | Interesting facts by topic | Browse |
| Deep Thinking | 36 | Extended analysis and reflection | Browse |
| Cheatsheets | 34 | Quick-reference sheets | Browse |
| Runbooks | 56 | Incident response procedures | Browse |
| Case Studies | 95 | Incident narratives with grading | Browse |
| Drills | 75 | Muscle-memory CLI exercises | Browse |
| Deep Dives | 23 | Extended reference documents | Browse |
| Lessons | 125 | Cross-domain narratives that follow real problems | Browse |
Practice & Study¶
| Section | What's inside |
|---|---|
| Flashcards | 198 decks, 6639 cards — browse Q&A with collapsible answers |
| Quiz Bank | 893 questions across 154 topics — self-test by domain |
| Incident Scenarios | 60 incident response drills with expected actions |
| Study Sessions | Pre-configured mixed-mode study sessions |
| Trivia Decks | 71 fun-facts decks (card format) |
Browse by Dimension¶
| Dimension | Link |
|---|---|
| By Topic | All Topics |
| By Level (L0-L3) | Level Index |
| Full Flat Search | Search |
| Exercise Map | Exercise Map |
| Coverage Grid | Coverage Grid |
| Progress Tracking | Progress |
| Cross-Domain | Cross-Domain Content |
| Tags | Tag Index |
Browse by Domain¶
Deep-dive guides for each technology domain:
| Domain | Tier | Link |
|---|---|---|
| Linux | 1 | Linux |
| Networking | 1 | Networking |
| Datacenter & Hardware | 1 | Datacenter & Hardware |
| Kubernetes | 1 | Kubernetes |
| DevOps Tooling | 1 | DevOps Tooling |
| CLI Tools | 2 | CLI Tools |
| Observability | 1 | Observability |
| Security | 1 | Security |
| Cloud | 2 | Cloud |
Document Roles¶
| Document | Role | When to use |
|---|---|---|
| START_HERE.md | Onboarding | New? Start here — 10-min orientation |
| paths.md | Guided learning | Pick a structured journey (Daily Driver, Crash Course, Interview Prep, Comprehensive) |
| catalog.md | Registry inventory | Maintainer view — verify registered assets |
| This page | Asset-type browse | Browse everything by content format |
Surprise Me¶
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