Is It Down? Self-Hosted Monitoring with Uptime Kuma
Self-hosted uptime monitoring with Uptime Kuma. Free UptimeRobot alternative with status pages, notifications, and SSL certificate expiry alerts.
Monitoring
Monitoring tools and practices for Linux systems and cloud infrastructure. Explore metrics, logging, alerting, and observability to keep your systems healthy.
Stop Guessing, Start Profiling: Deep Database Latency Analysis with pg_stat_statements and EXPLAIN ANALYZE
Learn to profile PostgreSQL databases with pg_stat_statements and EXPLAIN ANALYZE. Stop guessing at bottlenecks and measure real query performance.
Stop Getting Paged at 3 AM: Prometheus Alerting With Burn Rate and Hysteresis
Eliminate alert fatigue with Prometheus burn rate and hysteresis alerting. Build SLO-based rules that catch real incidents while ignoring transient spikes.
Lighthouse CI in GitHub Actions: Catch Performance Regressions Before They Hit Production
Catch performance regressions with Lighthouse CI in GitHub Actions. Set up automated testing gates and performance budgets to prevent slow deployments.
Your p99 Is a Lie: The Coordinated Omission Problem Explained
Your p99 benchmarks are lying to you. Coordinated omission hides true tail latencies. Learn what it is and how to fix your measurements.
HDR Histograms in Practice: Stop Lying to Yourself About Latency
Stop trusting mean latency. Learn how HDR Histograms reveal the true distribution of response times and why percentiles aren’t enough.
Monitoring Everything: Zabbix 6.0 in Docker Compose
Deploy a full Zabbix 6.0 LTS monitoring stack with Docker Compose in minutes. Includes server, web UI, PostgreSQL database, and agent configuration.
Stop Paying for SpeedCurve: Self-Host Real User Monitoring with Grafana Faro
Self-host Real User Monitoring with Grafana Faro. Monitor Core Web Vitals and user experience metrics without expensive SaaS lock-in or vendor fees.
Monitoring Everything: Zabbix 6.0 in Docker Compose
Stop manually installing Zabbix. Here is a production-ready Docker Compose setup for Zabbix 6.0 LTS with PostgreSQL and Nginx.
Reading Flame Graphs: Where to Look First When CPU Is the Bottleneck
Learn how to read flame graphs to identify CPU bottlenecks fast. This guide covers flame graph mechanics, generation, and exactly where to look first.