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
Implement Apache load balancing with SSL termination and health checks
hostingSetup 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
securityOptimize Redis 7 memory usage and performance with advanced configuration tuning
Learn to optimize Redis 7 memory consumption and performance through advanced configuration tuning, including eviction policies, compressed data structures, active defragmentation, and comprehensive monitoring techniques.
Install and configure Gunicorn application server with systemd and reverse proxy for Python web applications
Deploy Python web applications in production using Gunicorn WSGI server with systemd service management and Nginx reverse proxy. Includes performance tuning, security hardening, and monitoring setup.
Configure Tailscale mesh VPN with subnet routing and ACL policies for secure network access
Set up a zero-trust mesh VPN network with Tailscale that includes subnet routing for local network access, granular ACL policies for security, and exit nodes for secure internet access.
Configure OpenVPN server with certificate management and client automation
Set up a production-grade OpenVPN server with Easy-RSA certificate authority, automated client configuration generation, and certificate revocation management for secure remote access.
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.
Optimize HAProxy performance with connection pooling and advanced load balancing algorithms
Configure HAProxy with connection pooling, advanced load balancing algorithms, and performance tuning for high-throughput workloads. Learn to implement least-conn, URI hashing, and buffer optimization.
Set up Apache Tomcat 11 with SSL certificates and JVM optimization for Java web applications
Install and configure Apache Tomcat 11 with Java 21, SSL/TLS certificates, JVM performance tuning, security hardening, and production-ready monitoring for enterprise Java web applications.
Configure automatic security updates with unattended-upgrades and email notifications
Set up automated security patching on Linux servers with unattended-upgrades and dnf-automatic. Configure email notifications, update policies, and monitoring to keep your systems secure while maintaining control over critical services.
Implement Kubernetes cluster autoscaling with Helm charts and KEDA for dynamic workload scaling
Configure comprehensive Kubernetes autoscaling with cluster autoscaler for node management, KEDA for event-driven pod scaling, and vertical pod autoscaler for resource optimization. This tutorial covers production-grade deployment using Helm charts with monitoring and optimization strategies.
Integrate SonarQube with Kubernetes and Helm charts for automated code quality scanning
Deploy SonarQube on Kubernetes using Helm charts with PostgreSQL database, configure automated code scanning workflows, and implement persistent storage for comprehensive code quality analysis in your CI/CD pipeline.
Implement Kubernetes monitoring with Prometheus and Helm charts for comprehensive cluster observability
Deploy a production-ready Prometheus monitoring stack on Kubernetes using Helm charts with ServiceMonitors, alerting rules, and comprehensive cluster observability for metrics collection and monitoring.
Configure Elasticsearch 8 cluster with multiple nodes for high availability and scalability
Set up a production-ready Elasticsearch 8 cluster with dedicated master, data, and coordinating nodes for high availability, fault tolerance, and horizontal scalability across multiple servers.
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