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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Configure Linux system time synchronization with chrony and NTP hardening

linux
877

Set up Node.js application security with Helmet and rate limiting

security
755

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
739

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
731

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
719

Recently published

Configure systemd service resource limits and security isolation

linux
1 hour ago

Configure NGINX SSL termination with Redis session storage

hosting
1 hour ago

Configure intrusion detection with OSSEC and fail2ban integration

security
1 hour ago

Set up Varnish 7 cluster with load balancing across multiple backends

performance
1 hour ago

Configure OSSEC active response for automated threat blocking

security
6 hours ago
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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 5 views
security Intermediate

Configure OSSEC active response for automated threat blocking

Set up OSSEC active response to automatically block threats by configuring firewall rules, custom response scripts, and tuning response actions for real-time intrusion prevention.

25 min 4 distros 12 views
databases Advanced

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

Deploy CockroachDB across multiple regions with automated failover, data locality controls, and production-grade security. Includes replication zones, load balancing, and disaster recovery strategies.

45 min 4 distros 9 views
security Advanced

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.

45 min 4 distros 9 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 7 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 4 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 8 views
hosting Intermediate

Integrate H2O with Let's Encrypt for automatic SSL certificates

Set up H2O HTTP/2 web server with automatic SSL certificate management using Let's Encrypt and certbot. Configure SSL termination, automatic renewal, and security hardening for production deployments.

30 min 4 distros 8 views
devops Advanced

Setup Gunicorn blue-green deployment with NGINX for zero downtime Python applications

Configure zero-downtime deployments for Python web applications using Gunicorn blue-green deployment strategy with NGINX reverse proxy, automated health checks, and rollback mechanisms for production reliability.

45 min 4 distros 11 views
databases Advanced

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

Configure PostgreSQL 17 with streaming replication for high availability, then add PgBouncer connection pooling with intelligent load balancing across primary and replica servers for production-grade database infrastructure.

45 min 4 distros 12 views
monitoring Intermediate

Configure backup monitoring with Prometheus and Grafana for automated infrastructure oversight

Set up comprehensive backup monitoring using Prometheus metrics collection and Grafana dashboards. This tutorial covers backup exporter configuration, custom metrics creation, and automated alerting for backup failures and performance issues.

45 min 4 distros 11 views
networking Advanced

Configure BIRD BGP routing daemon for advanced routing policies and network automation

Set up BIRD 2.15 BGP daemon with advanced routing policies, route filtering, and automated network management. Configure BGP peering, implement complex routing decisions, and set up route aggregation for production networks.

45 min 4 distros 10 views

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