Portal | Level: L2: Operations | Topics: Prometheus, Kubernetes Core | Domain: DevOps & Tooling
Ops Archaeology: The Alerts That Stopped Firing¶
| File | Purpose |
|---|---|
| briefing.md | Scenario briefing with artifacts |
| hints.md | Progressive hints (timed) |
| answer_key.md | Full solution and skills tested |
Ops Archaeology exercise — see ops-archaeology index for context.
Pages that link here¶
- Adversarial Interview Gauntlet
- Alerting Rules Drills
- Answer Key: The Alerts That Stopped Firing
- Capacity Planning
- Ops Archaeology: Reverse-Engineering Production Systems
- Pattern: Percentile Blindness
- Symptoms
- Symptoms
- Symptoms: Alert Storm, Caused by Flapping Health Checks, Fix Is Probe Tuning
- Symptoms: Deployment Stuck, ImagePull Auth Failure, Fix Is Vault Secret Rotation
Wiki Navigation¶
Prerequisites¶
- Observability Deep Dive (Topic Pack, L2)
Related Content¶
- Adversarial Interview Gauntlet (30 sequences) (Scenario, L2) — Kubernetes Core, Prometheus
- Alerting Rules (Topic Pack, L2) — Prometheus
- Alerting Rules Drills (Drill, L2) — Prometheus
- Capacity Planning (Topic Pack, L2) — Prometheus
- 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: DaemonSet Blocks Eviction (Case Study, L2) — Kubernetes Core
- Case Study: Deployment Stuck — ImagePull Auth Failure, Vault Secret Rotation (Case Study, L2) — Kubernetes Core