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
Configure Linux system time synchronization with chrony and NTP hardening
linuxSet up Node.js application security with Helmet and rate limiting
securityInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesRecently published
Configure systemd service resource limits and security isolation
linuxConfigure NGINX SSL termination with Redis session storage
hostingConfigure intrusion detection with OSSEC and fail2ban integration
securitySet up Varnish 7 cluster with load balancing across multiple backends
performanceConfigure OSSEC active response for automated threat blocking
securityConfigure NGINX SSL termination with Redis session storage
Set up NGINX as an SSL termination proxy with Redis backend for session storage, enabling scalable load balancing and persistent user sessions across multiple application servers.
Set up Varnish 7 cluster with load balancing across multiple backends
Configure a high-performance Varnish Cache 7 cluster with intelligent load balancing across multiple web servers, SSL termination, health monitoring, and shared cache synchronization for enterprise web acceleration.
Configure NGINX HTTP/2 server push and connection multiplexing
Configure NGINX HTTP/2 server push and connection multiplexing to reduce page load times by up to 50% through proactive resource delivery and efficient connection reuse for high-performance web applications.
Set up ELK Stack for centralized ModSecurity log analysis and monitoring
Configure Elasticsearch 8, Logstash 8, and Kibana 8 to collect, parse, and visualize ModSecurity web application firewall logs from multiple servers for centralized security monitoring and threat detection.
Deploy FastAPI applications with Docker Compose and production optimization
Learn to containerize FastAPI applications with Docker Compose, integrate PostgreSQL and Redis services, configure Nginx reverse proxy with SSL, and implement production monitoring for scalable microservices deployment.
Configure H2O HTTP/2 web server caching and compression optimization for high performance
Optimize H2O web server performance with advanced caching strategies, HTTP/2 compression, and production-grade tuning for high-traffic applications.
Set up centralized security monitoring with ClamAV 1.4 and Elasticsearch 8
Build a comprehensive security monitoring infrastructure with ClamAV antivirus scanning, Elasticsearch log storage, and automated threat detection. This setup provides real-time malware scanning with centralized log aggregation for enterprise security compliance.
Configure Tomcat 11 database connection pooling with HikariCP and JNDI optimization for high-performance applications
Set up efficient database connection pooling in Apache Tomcat 11 using HikariCP through JNDI configuration. Optimize connection parameters, implement proper resource management, and configure monitoring for production database workloads.
Configure Apache HTTP/2 and SSL termination with Let's Encrypt certificates
Set up Apache HTTP Server with HTTP/2 protocol support and automatic SSL certificate management using Certbot. This tutorial covers virtual host configuration, SSL termination, and performance optimization for production websites.
Integrate Apache Tomcat 11 with Prometheus and Grafana monitoring for comprehensive performance tracking
Set up comprehensive monitoring for Apache Tomcat 11 using JMX Prometheus Java agent, configure Prometheus to scrape metrics, create detailed Grafana dashboards, and implement alerting rules for performance tracking and health monitoring.
Implement Apache log analysis with GoAccess and ELK stack for real-time monitoring
Set up comprehensive Apache log monitoring with GoAccess for real-time analysis and ELK stack for centralized log processing, creating powerful Kibana dashboards for web server insights and automated alerting.
Configure OpenLiteSpeed load balancing with multiple backend servers
Set up OpenLiteSpeed as a reverse proxy and load balancer to distribute traffic across multiple backend application servers with health checks and automatic failover for high availability.
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