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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Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsInstall and configure CockroachDB cluster with high availability and distributed SQL
databasesInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure Loki for centralized log aggregation with Grafana integration
monitoringInstall and configure WireGuard VPN server with client management
networkingRecently published
Configure Nagios SNMP monitoring for network devices with automated discovery and templates
monitoringIntegrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards
monitoringSet up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set
securityConfigure NGINX reverse proxy with advanced caching and load balancing
hostingConfigure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications
monitoringConfigure NGINX reverse proxy with advanced caching and load balancing
Set up NGINX as a high-performance reverse proxy with Redis-backed caching, multiple load balancing algorithms, SSL termination, and comprehensive monitoring for production environments.
Configure Apache HTTP/2 with performance optimization and modern security headers
Enable HTTP/2 protocol in Apache with SSL/TLS encryption, implement advanced performance optimization settings including compression and caching, and configure modern security headers for production deployments.
Implement Varnish cache warming with automated content preloading for high-performance websites
Set up automated Varnish cache warming with priority URL preloading, systemd timers for scheduled content refreshing, and comprehensive monitoring to optimize cache hit rates and reduce backend server load for high-traffic websites.
Install and configure DuckDB for analytical workloads with Python integration
Set up DuckDB, the high-performance analytical database, with CLI tools and Python integration for fast OLAP queries and data analytics workloads.
Optimize Linux system performance with htop process monitoring and resource analysis
Learn to use htop for advanced Linux system monitoring, process management, and performance optimization. Master resource analysis, identify bottlenecks, and automate monitoring tasks for production environments.
Install and configure H2O HTTP/2 web server with FastCGI and SSL certificates
Deploy H2O, a high-performance HTTP/2 web server with native FastCGI support and SSL/TLS termination. Configure virtual hosts, PHP-FPM integration, and performance optimization for production environments.
Optimize Redis 7 memory usage and performance with advanced configuration tuning
Learn to optimize Redis 7 memory consumption and performance through advanced configuration tuning, including eviction policies, compressed data structures, active defragmentation, and comprehensive monitoring techniques.
Optimize MySQL query performance with indexes and query profiling for high-traffic applications
Learn how to dramatically improve MySQL query performance using proper indexing strategies, query profiling tools, and InnoDB optimization techniques. This tutorial covers slow query log analysis, EXPLAIN plan interpretation, and memory tuning for production databases.
Set up Apache Airflow DAG performance testing with Locust load testing framework
Learn to configure Locust for comprehensive Apache Airflow DAG performance testing, including automated load testing scenarios, metrics collection, and CI/CD integration for production-grade workflow optimization.
Optimize Linux system performance with kernel parameters and system tuning
Learn production-grade Linux performance optimization through systematic kernel parameter tuning, memory management, I/O optimization, and network stack configuration to maximize system throughput and responsiveness.
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