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.

hosting Intermediate

Implement Lighttpd 1.4 load balancing with multiple backend servers for high availability

Configure Lighttpd 1.4 with mod_proxy for load balancing across multiple backend web servers. Set up health checks, SSL termination, and failover mechanisms for production environments.

45 min 4 distros 468 views
devops Intermediate

Implement Kubernetes pod disruption budgets for high availability during scaling events

Configure Pod Disruption Budgets to ensure application availability during cluster maintenance and scaling operations. Learn to implement PDB policies, test disruption scenarios, and maintain service continuity in Kubernetes.

25 min 4 distros 843 views
databases Intermediate

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.

45 min 4 distros 658 views
monitoring Intermediate

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.

25 min 4 distros 534 views
performance Intermediate

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.

45 min 4 distros 467 views
databases Advanced

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.

45 min 4 distros 489 views
hosting Intermediate

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.

45 min 4 distros 713 views
security Intermediate

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.

45 min 4 distros 553 views
hosting Intermediate

Configure Apache reverse proxy and load balancing for high availability

Set up Apache as a reverse proxy with load balancing across multiple backend servers. Configure health checks, SSL termination, and failover for production high availability deployments.

45 min 4 distros 420 views
databases Advanced

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.

45 min 4 distros 474 views
performance Advanced

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.

45 min 4 distros 559 views
security Intermediate

Implement Linux security hardening with CIS benchmarks and automated compliance scanning

Harden your Linux systems using CIS benchmarks with automated compliance scanning and continuous monitoring. Learn to implement security controls for filesystem permissions, user authentication, network policies, and maintain ongoing compliance with industry standards.

45 min 4 distros 483 views

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