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
Configure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsImplement Deno microservices architecture with service discovery and load balancing
devopsImplement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection
securityConfigure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana
monitoringConfigure Apache reverse proxy with caching for microservices
Set up Apache HTTP Server as a reverse proxy with intelligent caching for microservices architectures. This tutorial covers mod_proxy, mod_cache configuration, cache policies, and monitoring for high-performance service delivery.
Implement Apache load balancing with SSL termination and health checks
Configure Apache HTTP Server 2.4 with mod_proxy_balancer for high availability load balancing, SSL termination using Let's Encrypt certificates, and automated backend health monitoring with mod_proxy_hcheck for production environments.
Configure Apache SSL hardening with perfect forward secrecy and modern security protocols
Harden Apache HTTP server with modern SSL/TLS configuration, perfect forward secrecy cipher suites, and security headers to protect against common web vulnerabilities and ensure compliance with security standards.
Implement Tomcat application monitoring with JMX and Grafana dashboards
Set up comprehensive Apache Tomcat 10 monitoring using JMX metrics, Prometheus JMX Exporter, and Grafana dashboards to track application performance, memory usage, and request metrics in real-time.
Set up NGINX rate limiting and security headers for DDoS protection
Configure NGINX with comprehensive rate limiting zones, security headers, and DDoS protection rules to secure your web applications against malicious traffic and automated attacks.
Configure audit compliance automation with Ansible for security monitoring and reporting
Build comprehensive security audit compliance automation using Ansible playbooks to enforce security policies, monitor system configurations, and generate compliance reports across your Linux infrastructure fleet.
Configure Nagios Core 4.5 SSL certificates and security hardening with authentication controls
Secure your Nagios monitoring with SSL certificates, advanced authentication, and comprehensive access controls. This guide covers Let's Encrypt integration, web interface hardening, and security monitoring setup.
Configure NGINX virtual hosts with SSL certificates for multiple domains
Set up multiple domains on a single NGINX server with automatic SSL certificates from Let's Encrypt. Handle domain routing, certificate management, and secure configurations for production hosting.
Configure intrusion detection with OSSEC and fail2ban integration
Set up comprehensive intrusion detection by integrating OSSEC HIDS with fail2ban for automated threat response. This advanced configuration provides real-time monitoring, log analysis, and automated IP blocking for enhanced server security.
Set up Varnish 7 cluster with load balancing across multiple backends
Configure a high-performance Varnish Cache 7 cluster with intelligent load balancing across multiple web servers, SSL termination, health monitoring, and shared cache synchronization for enterprise web acceleration.
Configure ModSecurity machine learning anomaly detection for automated threat protection
Set up ModSecurity 3 with machine learning anomaly detection to automatically identify and block unknown attack patterns. This advanced configuration adds intelligent threat protection beyond traditional signature-based rules.
Setup log aggregation with rsyslog and logrotate for centralized system monitoring
Configure rsyslog for centralized log collection across servers, implement advanced logrotate policies for automated retention, and set up remote log shipping with filtering for comprehensive system monitoring and audit compliance.
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