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.

hosting Intermediate

Configure NGINX SSL termination with Redis session storage

Set up NGINX as an SSL termination proxy with Redis backend for session storage, enabling scalable load balancing and persistent user sessions across multiple application servers.

45 min 4 distros 256 views
security Advanced

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.

45 min 4 distros 295 views
performance Advanced

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.

45 min 4 distros 378 views
security Intermediate

Set up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security

Configure Fail2ban to automatically add malicious IPs to Cloudflare's firewall rules for enhanced protection. This tutorial covers installation, custom filters, API integration, and monitoring for comprehensive security automation across your infrastructure.

45 min 4 distros 502 views
networking Intermediate

Configure keepalived with HAProxy backend health monitoring for high availability load balancing

Set up keepalived with HAProxy to create a high availability load balancer cluster with automatic failover, backend health monitoring, and VRRP protocol for seamless traffic distribution across multiple servers.

45 min 4 distros 384 views
performance Advanced

Configure NGINX HTTP/2 server push and connection multiplexing

Configure NGINX HTTP/2 server push and connection multiplexing to reduce page load times by up to 50% through proactive resource delivery and efficient connection reuse for high-performance web applications.

25 min 4 distros 347 views
hosting Intermediate

Configure NGINX SSL certificate automation with Certbot and renewal monitoring

Set up automated SSL certificate provisioning and renewal for NGINX using Let's Encrypt Certbot with systemd timers, monitoring, and failure alerting for production environments.

25 min 4 distros 512 views
monitoring Intermediate

Configure logrotate with Elasticsearch and Kibana integration for automated log management

Set up automated log rotation with Elasticsearch index lifecycle management and Kibana dashboard integration for scalable log management. Configure retention policies and monitoring alerts for production environments.

45 min 4 distros 226 views
linux Intermediate

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.

45 min 4 distros 329 views
security Advanced

Integrate ModSecurity 3 with SOAR platforms for automated incident response and threat detection

Set up ModSecurity 3 with structured logging, webhook notifications, and API integrations to automatically feed security events into SOAR platforms for real-time threat detection and incident response workflows.

45 min 4 distros 261 views
monitoring Intermediate

Monitor Node.js applications with Prometheus and Grafana for comprehensive performance metrics

Set up comprehensive Node.js application monitoring with Prometheus metrics collection and Grafana dashboards. Configure alerting rules for performance issues, memory usage, and error tracking in production environments.

45 min 4 distros 372 views
security Intermediate

Set up ELK Stack for centralized ModSecurity log analysis and monitoring

Configure Elasticsearch 8, Logstash 8, and Kibana 8 to collect, parse, and visualize ModSecurity web application firewall logs from multiple servers for centralized security monitoring and threat detection.

45 min 4 distros 252 views

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