A reef tank is a bioreactor with an SLA: the nitrogen cycle as a bootstrapping dependency chain, monitoring and alerting with reef controllers or ESP32 builds, dosing pumps as closed-loop actuators, redundancy design, fail-safe plumbing topology, backup power sizing, and incident response when the workload is alive.
Monitoring
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The Aquarium as a Production System -
Grafana + Prometheus Homelab Stack Building a full observability stack for the homelab: Prometheus with node exporter, cAdvisor, blackbox exporter, and SNMP exporter, Alertmanager for notifications, Grafana with provisioned dashboards, and long-term storage with Thanos or Mimir.
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OpenTelemetry in Practice: Tracing, Metrics, and Logs Without Vendor Lock-In A practical guide to OpenTelemetry: instrumenting real services with the SDK, running the Collector as a telemetry pipeline, exporting traces to Grafana Tempo, metrics to Prometheus, logs to Loki, and understanding context propagation and baggage.
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The USE and RED Methods: Systematic Performance Investigation Two checklists that turn flailing performance investigations into systematic ones — Brendan Gregg's USE method for resources and the RED method for request-driven services — and when to reach for each.
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Wazuh HIDS: Self-Hosted Alternative to CrowdStrike and Falcon Wazuh as a serious self-hosted alternative to commercial EDR — host-based intrusion detection, file integrity monitoring, log analysis, and SIEM features — and how it stacks up against CrowdStrike and Falcon for fleets that can't pay per endpoint.
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Home Network Monitoring with ntopng and LibreNMS Build a complete home network monitoring stack using ntopng for deep traffic analysis and LibreNMS for SNMP-based device health — with Grafana dashboards tying everything together.
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Monitoring Your Homelab with Prometheus and Grafana: The Complete Stack Build a production-grade homelab monitoring stack from scratch: Prometheus with Node Exporter and cAdvisor, Grafana dashboards, alerting with Alertmanager, and long-term storage with VictoriaMetrics.
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VictoriaMetrics: Prometheus at Scale How VictoriaMetrics handles Prometheus at scale — architecture deep dive, vminsert/vmselect/vmstorage clustering, MetricsQL extensions, remote_write migration, and achieving 10x better storage efficiency.
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Time-Series Data with InfluxDB and TimescaleDB A practical guide to modelling, storing, and querying time-series data with InfluxDB and TimescaleDB — including retention policies, downsampling, and real-world sensor data patterns.
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Alerting That Doesn't Burn You Out: Fighting Alert Fatigue and Building Sane On-Call Alert fatigue is quietly destroying on-call teams — learn how to audit and redesign your alerting, write runbooks that actually help, configure Alertmanager intelligently, and build an on-call rotation that engineers don't dread.
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Loki for Log Aggregation: Ship, Query, and Correlate Your Logs A complete technical guide to Grafana Loki — covering architecture, log shipping with Promtail and Alloy, LogQL queries, Grafana integration, alerting rules, and label strategy for homelabbers and DevOps engineers adding logs to their observability stack.
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The Prometheus + Grafana Stack: Metrics, Alerting, and Dashboards A deep technical guide to building production-grade observability with Prometheus and Grafana — covering metrics collection, PromQL queries, alerting rules, Alertmanager routing, and dashboard construction for homelabbers and DevOps engineers.
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Uptime Kuma: Self-Hosted Status Pages and Alerting Done Right A practical guide to Uptime Kuma — the self-hosted uptime monitoring tool with a beautiful UI, 90+ notification integrations, and built-in status pages that replaces UptimeRobot, StatusCake, and Pingdom for homelabbers and DevOps engineers.
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Monitoring and Observability: From the Golden Signals to a Complete Self-Hosted Stack What to measure and why — RED, USE, the Four Golden Signals, percentiles, and error budgets — then a production-grade, self-hosted stack built on Prometheus, Grafana, Loki, and Alertmanager. Full Docker Compose, configs, alert rules, dashboards, and integration tips for any VPS or homelab.
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The Complete VPS Setup Guide: Security, Performance, and Quality of Life A comprehensive guide to setting up a VPS the right way — from choosing a vendor and hardening your first boot, to SSH mastery, firewall configuration, monitoring, backups, and quality-of-life improvements that make remote administration a pleasure.
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Linux Performance Tuning and Monitoring Advanced techniques for monitoring and optimizing Linux system performance.