Portal | Level: L2: Operations | Topics: Kubernetes Core, Linux Fundamentals | Domain: DevOps & Tooling

Symptoms: HPA Flapping, Metrics Server Clock Skew, Fix Is NTP Config

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
• Chaos Engineering & Fault Injection - Primer
• Cross-Domain Incident Case Studies
• Edge & IoT Infrastructure - Primer
• Grading Rubric
• Kubernetes Concept Chain - Primer
• Kubernetes Debugging Playbook - Primer
• Kubernetes Pod Lifecycle
• Kubernetes Pods & Scheduling - Primer
• Kubernetes Scheduler
• Kustomize - Primer
• Linux Distribution Comparison — Primer
• Linux Memory Management
• Linux Memory Management — Primer

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Prerequisites

• Kubernetes Ops (Production) (Topic Pack, L2)

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