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.

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 496 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 609 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 837 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 479 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 519 views
security Intermediate

Configure PostgreSQL 17 SSL encryption and advanced security hardening

Set up SSL/TLS encryption, client certificate authentication, and comprehensive security policies for PostgreSQL 17. Includes audit logging, access controls, and firewall configuration for production environments.

45 min 4 distros 534 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 477 views
databases Advanced

Set up PostgreSQL 17 streaming replication with PgBouncer connection pooling and load balancing

Configure PostgreSQL 17 streaming replication with automatic failover, PgBouncer connection pooling for performance optimization, and HAProxy load balancing for high availability database architecture.

45 min 4 distros 619 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 343 views
devops Intermediate

Deploy FastAPI applications with Docker Compose and production optimization

Learn to containerize FastAPI applications with Docker Compose, integrate PostgreSQL and Redis services, configure Nginx reverse proxy with SSL, and implement production monitoring for scalable microservices deployment.

45 min 4 distros 1,139 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 2,271 views
databases Advanced

Configure Redis 7 cluster sharding for horizontal scaling with automated failover and monitoring

Set up Redis 7 cluster with automatic sharding across multiple nodes for horizontal scaling. Configure hash slots, master-slave replication, and automated failover with comprehensive monitoring.

45 min 4 distros 499 views

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