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
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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
linuxInstall 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
hostingSet up Node.js application security with Helmet and rate limiting
securityInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesRecently published
Configure FRRouting route maps and prefix lists for advanced routing policies
networkingConfigure Jetty clustering and session replication for high availability
hostingConfigure Cherokee web server with MySQL database optimization and performance tuning
hostingConfigure Cassandra SSL encryption and authentication with security hardening
databasesInstall and configure ntopng for comprehensive network monitoring with traffic analysis and real-time dashboards
networkingConfigure 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.
Configure FastAPI database connection pooling with PostgreSQL 17 for high-performance applications
Set up optimized async database connection pooling in FastAPI using SQLAlchemy and asyncpg with PostgreSQL 17. Learn connection pool tuning, session management patterns, and performance optimization for production workloads.
Configure Redis 7 cluster sharding for horizontal scaling with automated failover and monitoring
Set up Redis 7 cluster with automatic sharding across multiple nodes for horizontal scaling. Configure hash slots, master-slave replication, and automated failover with comprehensive monitoring.
Implement Tailscale OAuth integration with identity providers for enterprise authentication
Configure Tailscale with enterprise identity providers including SAML and OIDC authentication, implement access control policies, and manage users across distributed teams for secure zero-trust networking.
Set 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.
Configure shell aliases and functions for development productivity
Set up custom shell aliases and functions to streamline your development workflow, reduce typing, and boost terminal productivity with reusable commands and automation shortcuts.
Configure Keycloak OAuth2 integration with OpenResty for enterprise SSO
Set up enterprise single sign-on by integrating Keycloak OAuth2 authentication with OpenResty using lua-resty-openidc. Configure secure authentication flows, JWT token validation, and session management for production web applications.
Set up Redis 7 cluster with multiple master nodes for high availability and horizontal scaling
Configure a production-ready Redis 7 cluster with multiple master nodes and replicas for high availability, automatic failover, and horizontal data distribution. Includes cluster initialization, topology configuration, and comprehensive health monitoring.
Configure Node.js JWT authentication with Redis session storage and security hardening
Set up secure JWT authentication for Node.js applications with Redis session storage, security middleware, and production-ready hardening practices.
Integrate Redis 7 with microservices architecture for caching and session management
Set up Redis 7 as a centralized caching layer and session store for microservices, with service discovery integration and clustering for high availability. Configure distributed session management patterns and implement Redis clustering for horizontal scalability.
Implement Deno JWT authentication with OAuth2 integration for secure API development
Set up production-grade JWT authentication middleware in Deno with OAuth2 provider integration and role-based access control. Learn to secure API endpoints with proper token validation, user management, and enterprise-ready authentication flows.
Implement FastAPI authentication with JWT and OAuth2 for secure API development
Build secure FastAPI applications with JWT token authentication and OAuth2 password bearer flows. Learn to implement role-based access control and protect API endpoints with production-ready security patterns.
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