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 Deno for web development with systemd and reverse proxy
hostingInstall 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 Ollama for local AI models on Linux servers
devopsInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure Nginx Redis cluster caching for high availability and performance optimization
performanceConfigure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3
monitoringImplement NGINX Plus active health checks for enterprise environments
hostingSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringConfigure Prometheus alerting with AlertManager notifications and webhook integration
monitoringConfigure OpenResty with PostgreSQL connection pooling for database integration
Set up OpenResty with lua-resty-postgres for high-performance database connection pooling. This tutorial covers installation, connection management, health checks, and security hardening for production web applications.
Set up multi-location monitoring with distributed Uptime Kuma instances
Deploy multiple Uptime Kuma instances across different geographic locations to monitor your services from various vantage points. This setup provides comprehensive monitoring coverage, reduces false positives, and enables regional performance analysis with centralized alerting.
Implement Deno WebSocket real-time applications with clustering and production deployment
Build production-ready real-time WebSocket applications with Deno, implementing clustering for high availability, SSL termination, and comprehensive monitoring for scalable messaging systems.
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.
Configure Istio security policies with mutual TLS and authorization for Kubernetes service mesh
Configure mutual TLS authentication and authorization policies in Istio service mesh for secure microservices communication. This tutorial covers PeerAuthentication, AuthorizationPolicy, and RBAC configuration for production Kubernetes environments.
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.
Configure Deno WebSocket connections for real-time applications with clustering and production deployment
Set up production-ready Deno WebSocket servers with authentication, clustering, and load balancing for real-time applications. Complete with systemd service configuration and NGINX reverse proxy setup.
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.
Configure 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 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.
Set up nftables IPv6 NAT and dual-stack networking with firewall rules and traffic forwarding
Configure nftables with IPv6 NAT masquerading, dual-stack IPv4/IPv6 forwarding, and comprehensive firewall rules for secure network routing and traffic management on modern Linux systems.
Implement Jaeger security with TLS encryption and authentication for distributed tracing
Secure your Jaeger distributed tracing infrastructure with TLS encryption, JWT-based authentication, and RBAC policies. This tutorial covers certificate generation, collector/query service encryption, and UI authentication through reverse proxy integration.
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