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
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Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
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Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Configure HAProxy with Consul for dynamic service discovery and automatic backend updates
networkingImplement Istio multi-cluster canary deployments and traffic splitting
devopsImplement HAProxy WAF integration with ModSecurity 3 for advanced threat protection
securityConfigure PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingDeploy Deno applications with Docker containers and production optimization
Learn how to containerize Deno applications with Docker using multi-stage builds, security hardening, and production-ready configuration. This tutorial covers creating optimized Dockerfiles, implementing proper caching strategies, and deploying with Docker Compose for scalable web applications.
Configure Node.js application clustering with PM2 and load balancing
Set up PM2 clustering to scale Node.js applications across CPU cores with NGINX load balancing. Monitor performance and optimize resource utilization for high-traffic production workloads.
Setup Tomcat 10 clustering with HAProxy load balancing for high availability
Configure Apache Tomcat 10 clustering with HAProxy load balancing to distribute traffic across multiple application server instances. Implement session replication and automatic failover for production-grade Java web applications with high availability and zero-downtime deployments.
Monitor Linux system resources with performance alerts and automated responses
Set up comprehensive Linux system monitoring with Prometheus, Node Exporter, and Alertmanager to track CPU, memory, and disk usage with automated alerts and response scripts for proactive system management.
Set up Node.js application security with Helmet and rate limiting
Secure your Node.js Express applications against common vulnerabilities with Helmet.js middleware and implement rate limiting to prevent abuse and DDoS attacks.
Configure Nginx Redis caching with SSL authentication and security hardening
Set up high-performance Nginx caching with Redis backend using SSL/TLS encryption and authentication. This tutorial covers Redis 7 SSL configuration, Nginx cache module setup, and comprehensive security hardening for production environments.
Implement Nginx Redis cluster caching for high availability
Set up a Redis cluster with Nginx caching for high availability and improved performance. This configuration provides distributed caching with automatic failover and enhanced scalability for production web applications.
Implement Varnish cache warming with automated content preloading for high-performance websites
Set up automated Varnish cache warming with priority URL preloading, systemd timers for scheduled content refreshing, and comprehensive monitoring to optimize cache hit rates and reduce backend server load for high-traffic websites.
Configure Lighttpd 1.4 with Redis caching for high-performance websites
Set up Lighttpd web server with Redis caching to dramatically improve website performance through intelligent content caching, reducing server load and response times for high-traffic applications.
Setup Elasticsearch 8 authentication with LDAP and Active Directory integration
Configure Elasticsearch 8 with X-Pack security to authenticate users against LDAP and Active Directory servers. This tutorial covers LDAP realm configuration, role-based access control, and troubleshooting authentication issues.
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 Redis Sentinel with SSL/TLS encryption and authentication for high availability
Set up a production-grade Redis Sentinel cluster with SSL/TLS encryption, authentication, and automatic failover for high availability. This tutorial covers certificate generation, security configuration, and monitoring setup.
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