Portal | Level: L2: Operations | Topics: Kubernetes Core, Node Lifecycle & Maintenance | Domain: Kubernetes
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) |
Wiki Navigation¶
Prerequisites¶
- Kubernetes Ops (Production) (Topic Pack, L2)
Related Content¶
- Skillcheck: Kubernetes Under the Covers (Assessment, L2) — Kubernetes Core, Node Lifecycle & Maintenance
- Adversarial Interview Gauntlet (30 sequences) (Scenario, L2) — Kubernetes Core
- Case Study: Alert Storm — Flapping Health Checks (Case Study, L2) — Kubernetes Core
- Case Study: Canary Deploy Routing to Wrong Backend — Ingress Misconfigured (Case Study, L2) — Kubernetes Core
- Case Study: CrashLoopBackOff No Logs (Case Study, L1) — Kubernetes Core
- Case Study: DNS Looks Broken — TLS Expired, Fix Is Cert-Manager (Case Study, L2) — Kubernetes Core
- Case Study: Deployment Stuck — ImagePull Auth Failure, Vault Secret Rotation (Case Study, L2) — Kubernetes Core
- Case Study: Drain Blocked by PDB (Case Study, L2) — Kubernetes Core
- Case Study: HPA Flapping — Metrics Server Clock Skew, Fix Is NTP (Case Study, L2) — Kubernetes Core
- Case Study: ImagePullBackOff Registry Auth (Case Study, L1) — Kubernetes Core
Pages that link here¶
- Chaos Engineering & Fault Injection - Primer
- Kubernetes Concept Chain - Primer
- Kubernetes Debugging Playbook - Primer
- Kubernetes Node Lifecycle - Primer
- Kubernetes Operations Case Studies
- Kubernetes Pod Lifecycle
- Kubernetes Pods & Scheduling - Primer
- Kubernetes Scheduler
- Kubernetes Under the Covers
- Kustomize - Primer
- Master Curriculum: 40 Weeks
- Mental Model: Blast Radius
- Node Maintenance - Primer
- Ops Archaeology: The Alerts That Stopped Firing
- Ops Archaeology: The Cluster That Disagrees With Itself