Infrastructure tutorials
Production-grade guides for Linux, servers, security and performance. Copy-paste commands, multi-distro support, written by engineers who run this in production.
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Databases
MySQL, PostgreSQL, Redis, backups, replication
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Monitoring
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Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingFix apt update E: Repository no longer has a Release file
linuxInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Implement Kibana 8 custom threat hunting dashboards for security incident response
monitoringConfigure Logstash 8 security pipelines with threat intelligence enrichment
monitoringConfigure Ansible Vault integration with HashiCorp Vault for secrets management
devopsImplement Thanos Ruler for distributed alerting and recording rules across Prometheus clusters
monitoringSet up Thanos Query and Compactor for distributed metrics querying
monitoringSet up OpenLiteSpeed with Docker containers for development
Deploy OpenLiteSpeed web server in Docker containers with PHP-FPM, SSL certificates, and persistent volumes for scalable development environments.
Install and configure OpenLiteSpeed with WordPress and LSCache optimization
Set up OpenLiteSpeed web server with PHP 8.4, deploy WordPress with database integration, and enable LSCache plugin for maximum performance optimization.
Configure MySQL connection pooling with ProxySQL 2.6 for high availability and performance optimization
Set up ProxySQL 2.6 to manage MySQL connection pooling, load balancing, and automatic failover. This tutorial covers backend server configuration, health checks, query routing rules, and monitoring for production MySQL environments.
Monitor MySQL performance with Prometheus and Grafana dashboards
Set up comprehensive MySQL monitoring with Prometheus MySQL Exporter and Grafana dashboards. Track query performance, connections, replication lag, and resource usage with automated alerts for production database health.
Implement MySQL backup automation with Percona XtraBackup and systemd timers
Set up automated MySQL hot backups with Percona XtraBackup, systemd timers, compression, and encryption. Configure backup verification, retention policies, and restoration procedures for production-ready database backup automation.
Set up Linux storage monitoring with smartmontools and automated health alerts
Monitor disk health and prevent storage failures with S.M.A.R.T monitoring, automated email alerts, and custom dashboards. Covers smartd daemon configuration, health checks, and integration with monitoring systems.
Configure Linux filesystem tuning and optimization for database workloads
Optimize Linux filesystem performance for database workloads by configuring mount options, I/O schedulers, and kernel parameters to maximize database throughput and minimize latency.
Setup MySQL replication with GTID and automatic failover
Configure MySQL 8.0 master-slave replication using GTID for reliable data synchronization, then implement MySQL High Availability (MHA) for automatic failover detection and promotion.
Configure Caddy 2 with Docker containers and automatic SSL certificates
Set up Caddy 2 as a reverse proxy using Docker with automatic Let's Encrypt SSL certificates. Deploy containerized web applications behind Caddy with zero-downtime SSL management and built-in load balancing.
Implement Caddy 2 rate limiting and DDoS protection with advanced security rules
Configure Caddy 2 web server with comprehensive rate limiting, request throttling, and DDoS protection using built-in security modules and advanced filtering rules.
Setup automated backup verification and recovery testing with PostgreSQL, MySQL and filesystem backups
Build a comprehensive backup verification framework that automatically tests database restores, validates filesystem backups, and performs recovery testing using systemd timers and custom scripts.
Configure Linux NUMA optimization for multi-socket servers with memory policy tuning and CPU affinity
Optimize multi-socket server performance by configuring NUMA memory policies, CPU affinity, and topology-aware application placement. Achieve significant performance gains through proper NUMA optimization.
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