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 Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Setup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityImplement Docker network security with custom bridge networks and container isolation
securityConfigure Istio traffic management with virtual services and destination rules
Configure advanced Istio traffic management using virtual services for intelligent request routing and destination rules for load balancing and service subsets in production Kubernetes environments.
Setup OpenResty monitoring with Prometheus and Grafana dashboards for performance analytics
Configure comprehensive monitoring for OpenResty web server using nginx-lua-prometheus module to collect metrics, Prometheus for storage, and Grafana for visualization with custom dashboards and alerting rules.
Implement OpenResty JWT authentication with OAuth2 integration for secure web applications
Set up secure JWT-based authentication in OpenResty with OAuth2 provider integration using lua-resty-jwt module. Configure token validation, authentication middleware, and security policies for production web applications.
Configure Linux environment variables and PATH management for development workflows
Learn how to properly configure Linux environment variables and manage your PATH for development workflows. This guide covers temporary and persistent variables, user vs system-wide configuration, and troubleshooting common issues across Ubuntu, Debian, AlmaLinux, Rocky Linux, and Fedora.
Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
Deploy production-ready FastAPI applications using Uvicorn ASGI server with systemd process management and Nginx reverse proxy. Configure SSL termination, load balancing, and comprehensive monitoring for high-performance Python web applications.
Install and configure OpenResty web server with Lua scripting and performance optimization
Set up OpenResty as a high-performance web server and API gateway with embedded Lua scripting capabilities, SSL certificates, and advanced caching optimization for production workloads.
Configure GitLab container registry with SSL certificates and security hardening
Set up GitLab's integrated Docker registry with SSL/TLS encryption, security headers, and production-ready hardening for secure container image storage and distribution.
Configure Envoy proxy rate limiting and circuit breakers for microservices resilience
Learn to implement production-grade Envoy proxy with global and local rate limiting, circuit breakers, and health checks to build resilient microservices architecture that can handle traffic spikes and service failures gracefully.
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