ced4568andClaude Sonnet 5
15b616274b
Adds all 6 ROOT 01 modules (how computers run software, the shell, filesystem navigation, files & text, processes, users & permissions foundations), each with a real lesson, demonstration/guided exercise, knowledge check where warranted, a hands-on Lab, and a reflection — 35 activities, 29 new content files. Adds 6 new hands-on Linux scenarios (linux-inspect-hardware, linux-shell-basics, linux-filesystem-navigation, linux-files-and-text, linux-process-management, linux-permissions-foundations) plus 2 MCQ scenarios, using the existing generic scenario/ validation engine (docs/ROOT_FOUNDATIONS_LAB_STRATEGY.md §1) — every one tested end-to-end via the real scenario setup/validate API, including negative tests confirming they correctly FAIL when not actually solved (e.g. the process-management scenario fails while the target process is still running; the permissions scenario is tested against a real `su - labuser` denial). Wires rootnode-linux-foundations-assessment (2 required + 4 random-draw scenarios) using the existing Phase 3B assessment engine. Adds a real, server-side ROOT 01->02->03->04->05 course prerequisite chain (courses.prerequisites) — verified live on two students: one who completed ROOT 01 sees ROOT 02 unlock; a fresh student sees ROOT 02 correctly locked while 03/04/05 stay vacuously satisfied (their own prerequisite courses are still empty). ROOT 06+ and the Capstone are unaffected. Co-Authored-By: Claude Sonnet 5 <[email protected]>
28 lines
1.3 KiB
Markdown
28 lines
1.3 KiB
Markdown
# Reflection: You Just Looked Inside the Box
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## Reflection questions
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1. How close was your guess to the real numbers? What surprised you most?
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2. Name one thing you now understand about "the computer" that you couldn't have explained
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before this module.
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3. When you eventually run `kubectl describe pod` and see `requests`/`limits` for CPU and
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memory, what do you now expect those numbers to actually be constraining?
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## Real Ops takeaway
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**Every resource limit you'll ever configure — in Docker, in Kubernetes, in a systemd unit — is
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a promise about exactly the three things this module named: CPU, memory, and storage.** You
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can't reason well about "why did my container get killed" or "why is my Pod stuck Pending"
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without this base model. This module isn't computer-science trivia — it's the vocabulary the
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rest of ROOT_ assumes you have.
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This module is complete. Continue to the next module.
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## Instructor Notes
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**Discussion questions for a live classroom:** question 3 is worth spending real time on — it's
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the first moment students connect this abstract lesson to something they'll type as a real
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command many courses from now. Naming that connection explicitly here pays off later.
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**Approximate timing:** 5-8 minutes live discussion; 5 minutes self-paced writing.
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