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
securitySet 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.
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 SELinux policies for web applications and databases with custom rules and security hardening
Learn how to implement mandatory access controls with SELinux for web servers and databases. Configure custom security contexts, create application-specific policies, and harden your infrastructure with advanced SELinux rules.
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 Apache rate limiting and DDoS protection with mod_security and mod_evasive
Set up comprehensive Apache protection against DDoS attacks and malicious traffic using mod_evasive for rate limiting, mod_security with OWASP rules for web application firewall capabilities, and fail2ban integration for automated IP blocking.
Configure Apache web server with virtual hosts and SSL certificates
Set up Apache HTTP server with multiple virtual hosts, secure SSL certificates from Let's Encrypt, and implement security hardening for production workloads.
Setup nginx reverse proxy with SSL certificates and security hardening
Configure nginx as a secure reverse proxy with Let's Encrypt SSL certificates, security headers, and DDoS protection. Learn to proxy backend applications, implement rate limiting, and harden your web server configuration.
Configure NGINX rate limiting and DDoS protection with advanced security rules
Learn to configure production-grade NGINX rate limiting and DDoS protection with multiple security zones, advanced rules, and real-time monitoring to protect your web applications from malicious traffic and resource exhaustion attacks.
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