3 docs tagged with "observability"

A 12-week phased learning plan from Linux comfort to production-grade SRE debugging skill — filesystem, processes, networking, CPU/memory, containers, and observability.

End-to-end reference for Observability (Grafana & Prometheus) — Prometheus architecture and PromQL, SLIs/SLOs and error budgets, alerting and dashboards, long-term storage, ELK/EFK and commercial APM tradeoffs, and interview-ready Q&A.

End-to-end reference for OpenTelemetry — traces, metrics, logs, SDK/Collector architecture, instrumentation, sampling, and interview-ready Q&A.