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 Beginner

Fix nginx worker_connections are not enough warning

Resolve Nginx worker_connections warnings by calculating optimal values and tuning worker processes for high-traffic applications. Learn to analyze connection usage and prevent connection exhaustion.

20 min 6 distros 1,277 views
hosting Beginner

Install and configure uWSGI application server with Nginx reverse proxy for Python web applications

Set up a production-ready Python web application stack with uWSGI as the WSGI server and Nginx as a reverse proxy. Includes SSL certificate setup, systemd service configuration, and troubleshooting guide for Django and Flask deployments.

25 min 6 distros 893 views
hosting Intermediate

Configure Tomcat 11 database connection pooling with JNDI and HikariCP for high availability

Set up production-grade database connection pooling in Tomcat 11 using JNDI resources and HikariCP for optimal performance and high availability. Learn to configure server.xml, context.xml, and monitor connection pools effectively.

25 min 4 distros 830 views
security Intermediate

Configure NGINX rate limiting and advanced security rules for DDoS protection

Configure NGINX with comprehensive rate limiting, connection throttling, and advanced security headers to protect your web applications from DDoS attacks and malicious traffic. Learn to implement zone-based rate limiting, geographic blocking, and real-time monitoring for production environments.

25 min 4 distros 895 views
networking Intermediate

Install and configure Squid 6 proxy server with bandwidth controls and content filtering

Set up Squid 6 proxy server with advanced traffic shaping, content filtering, and user authentication. Configure bandwidth limits, access control lists, and comprehensive logging for enterprise proxy deployments.

45 min 4 distros 663 views
monitoring Intermediate

Monitor Cherokee web server performance with custom Grafana dashboards and Prometheus alerts

Set up comprehensive monitoring for Cherokee web server with Prometheus metrics collection, custom Grafana dashboards for performance visualization, and automated alerting for critical performance thresholds.

45 min 4 distros 801 views
hosting Intermediate

Configure NGINX reverse proxy with SSL termination and load balancing for high availability

Set up NGINX as a reverse proxy with SSL termination, load balancing across multiple backend servers, and automatic HTTPS redirection for production-ready high availability web infrastructure.

25 min 4 distros 1,249 views
devops Intermediate

Deploy Spring Boot applications with Jetty and Docker containers

Learn to deploy production-ready Spring Boot applications using Jetty embedded server with Docker containerization. This tutorial covers multi-stage Docker builds, production configuration, and deployment with Docker Compose for scalable Java applications.

45 min 4 distros 866 views
security Intermediate

Set up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set

Configure a production-grade web application firewall using NGINX with ModSecurity 3 and OWASP Core Rule Set. Includes logging, monitoring, and fail2ban integration for comprehensive threat protection.

45 min 4 distros 1,074 views
devops Advanced

Set up MinIO gateway for multi-cloud storage federation with AWS S3 and Azure integration

Learn to deploy MinIO as a unified storage gateway that seamlessly federates multiple cloud storage backends including AWS S3 and Azure Blob Storage. This advanced configuration provides intelligent failover, cost optimization, and vendor-neutral object storage management.

45 min 4 distros 949 views
networking Intermediate

Configure WireGuard VPN with DNS filtering and ad blocking using Pi-hole and Unbound

Set up a secure WireGuard VPN server with integrated Pi-hole DNS filtering and Unbound recursive resolver for ad blocking and privacy protection. This configuration provides secure remote access while filtering malicious domains and advertisements.

45 min 4 distros 1,549 views
databases Advanced

Set up MariaDB Galera Cluster 11.6 for multi-master replication with automatic failover

Configure a production-ready MariaDB Galera cluster with three nodes for multi-master replication, automatic failover, and SSL encryption. Includes HAProxy load balancing and comprehensive monitoring for high availability database operations.

45 min 4 distros 1,377 views

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