Tag: observability

Riemann processes events as streams, not time-series. Here is why that distinction matters and when Clojure-based stream alerting still beats Prometheus rules.

Glances vs Netdata: which free monitor wins for your home lab? We compare install effort, UI quality, alerting, and when to ditch both for Prometheus.

Run Sentry on your own hardware to catch real application errors, stack traces, source maps, release tracking, alerts, and when you should just pay for SaaS.

Heimdall, Homepage, or Homer? Pick the right self-hosted dashboard for your homelab, real configs, Docker auto-discovery, and live API status widgets included.

Stop guessing which container is eating your RAM. Set up cAdvisor + Prometheus to get real per-container CPU, memory, and network metrics in your homelab.

Grafana Agent hit EOL in November 2025. Here is how to migrate all your monitoring nodes to Alloy without losing your mind, your metrics, or your dashboards.

Replace five scattered agents with one OpenTelemetry Collector pipeline, metrics, logs, and traces unified with real config you can drop into a home server.

Uptime Kuma goes past HTTP checks: TCP, DNS, and Docker monitors, push monitors for cron jobs, public status pages, and the scripting API that actually exists.

Chaos engineering with Pumba for Docker container chaos and Toxiproxy for network failure simulation. Find the failures in staging before your users do in prod.

Docker health checks for Dockerfiles and Compose: configure HEALTHCHECK for PostgreSQL, Redis, Nginx, and Node.js with intervals, retries, and depends_on.

Learn Docker logging from basics to centralized stacks. Master docker logs, logging drivers, log rotation, Loki+Grafana, and Fluentd setup with practical examples.

Set up auditd to log every sudo command and file change on Linux: auditctl rules, ausearch, aureport, and shipping logs to Loki or Elasticsearch for compliance.