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 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 515 views
monitoring Intermediate

Monitor FastAPI applications with Prometheus and Grafana for production observability

Set up comprehensive monitoring for FastAPI applications using Prometheus metrics collection and Grafana dashboards. Configure custom metrics, alerting rules, and real-time visualization for API performance tracking.

45 min 4 distros 350 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 228 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 333 views
security Intermediate

Configure SSH key authentication and security hardening

Replace password authentication with SSH keys and implement comprehensive security hardening including fail2ban, audit logging, and access controls to protect your Linux servers from unauthorized access and brute force attacks.

25 min 4 distros 272 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 373 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 253 views
security Intermediate

Implement network security policies with iptables and firewalld for enterprise infrastructure protection

Configure enterprise-grade network security with iptables and firewalld, implementing zone-based policies, advanced rules, and comprehensive logging for production infrastructure protection.

45 min 4 distros 232 views
devops Intermediate

Configure container resource limits with Docker and systemd for production workloads

Learn to set memory, CPU, and I/O limits for Docker containers using both Docker runtime constraints and systemd service limits. Master cgroups v2 integration for bulletproof resource management in production environments.

25 min 4 distros 669 views
networking Intermediate

Setup Tailscale site-to-site VPN with multiple exit nodes for redundancy

Configure a resilient Tailscale mesh VPN with multiple exit nodes for high availability site-to-site connectivity. Set up subnet routing, automatic failover, and monitoring across distributed networks.

45 min 4 distros 1,052 views
security Advanced

Set up centralized security monitoring with ClamAV 1.4 and Elasticsearch 8

Build a comprehensive security monitoring infrastructure with ClamAV antivirus scanning, Elasticsearch log storage, and automated threat detection. This setup provides real-time malware scanning with centralized log aggregation for enterprise security compliance.

45 min 4 distros 280 views
security Intermediate

Configure ClamAV integration with web servers and email systems for automated threat detection

Integrate ClamAV antivirus with NGINX, Apache, Postfix and Dovecot for automated file scanning and email protection. Set up real-time threat detection with monitoring and alerting.

45 min 4 distros 282 views

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