Portal | Level: L2: Operations | Topics: Linux Fundamentals, Prometheus | Domain: DevOps & Tooling
Symptoms: Disk Full Alert, Cause Is Runaway Logs, Fix Is Loki Retention¶
| File | Purpose |
|---|---|
| symptoms.md | Problem statement and observable symptoms |
| questions.md | Diagnostic questions to work through |
| investigation.md | Full investigation path across domains |
| remediation.md | Cross-domain fix and verification |
| grading.md | Self-assessment rubric |
Cross-domain incident study — see cross-domain index for context.
Pages that link here¶
- /proc Filesystem - Primer
- Adversarial Interview Gauntlet
- Alerting Rules - Skill Check
- Alerting Rules Drills
- Capacity Planning - Primer
- Cross-Domain Incident Case Studies
- Edge & IoT Infrastructure - Primer
- Grading Rubric
- Linux Distribution Comparison — Primer
- Linux Memory Management
- Linux Memory Management — Primer
- Linux Performance Tuning - Primer
- Linux Process Scheduler
- Linux Signals & Process Control - Primer
- Linux Users and Permissions — Primer
Wiki Navigation¶
Prerequisites¶
- Observability Deep Dive (Topic Pack, L2)
Related Content¶
- Adversarial Interview Gauntlet (30 sequences) (Scenario, L2) — Linux Fundamentals, Prometheus
- Ops Archaeology: The Slow Death Nobody Noticed (Case Study, L2) — Linux Fundamentals, Prometheus
- /proc Filesystem (Topic Pack, L2) — Linux Fundamentals
- Advanced Bash for Ops (Topic Pack, L1) — Linux Fundamentals
- Alerting Rules (Topic Pack, L2) — Prometheus
- Alerting Rules Drills (Drill, L2) — Prometheus
- Bash Exercises (Quest Ladder) (CLI) (Exercise Set, L0) — Linux Fundamentals
- Capacity Planning (Topic Pack, L2) — Prometheus
- 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