Portal | Level: L2: Operations | Topics: Linux Fundamentals | Domain: Linux

Symptoms¶

File	Purpose
symptoms.md	Problem statement and observable symptoms
questions.md	Diagnostic questions to work through
solution.md	Detailed root cause analysis and fix
grading.md	Self-assessment checklist
artifacts/	2 supporting file(s)

/proc Filesystem (Topic Pack, L2) — Linux Fundamentals
Advanced Bash for Ops (Topic Pack, L1) — Linux Fundamentals
Adversarial Interview Gauntlet (30 sequences) (Scenario, L2) — Linux Fundamentals
Bash Exercises (Quest Ladder) (CLI) (Exercise Set, L0) — Linux Fundamentals
Case Study: CI Pipeline Fails — Docker Layer Cache Corruption (Case Study, L2) — Linux Fundamentals
Case Study: Container Vuln Scanner False Positive Blocks Deploy (Case Study, L2) — Linux Fundamentals
Case Study: Disk Full Root Services Down (Case Study, L1) — Linux Fundamentals
Case Study: Disk Full — Runaway Logs, Fix Is Loki Retention (Case Study, L2) — Linux Fundamentals
Case Study: HPA Flapping — Metrics Server Clock Skew, Fix Is NTP (Case Study, L2) — Linux Fundamentals
Case Study: Inode Exhaustion (Case Study, L1) — Linux Fundamentals

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