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.

security Advanced

Setup Elasticsearch 8 authentication with LDAP and Active Directory integration

Configure Elasticsearch 8 with X-Pack security to authenticate users against LDAP and Active Directory servers. This tutorial covers LDAP realm configuration, role-based access control, and troubleshooting authentication issues.

45 min 4 distros 1,041 views
security Advanced

Implement OpenResty JWT authentication with OAuth2 integration for secure web applications

Set up secure JWT-based authentication in OpenResty with OAuth2 provider integration using lua-resty-jwt module. Configure token validation, authentication middleware, and security policies for production web applications.

45 min 4 distros 1,199 views
monitoring Intermediate

Setup centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8 (ELK Stack)

Deploy a production-ready ELK stack for centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8. Configure secure log shipping from multiple sources with authentication and SSL encryption.

45 min 4 distros 1,172 views
hosting Intermediate

Deploy Django application with Gunicorn and PostgreSQL database migrations

Learn how to deploy a production-ready Django application with Gunicorn WSGI server, PostgreSQL database, and automated database migrations on Ubuntu, Debian, AlmaLinux, and Rocky Linux systems.

35 min 4 distros 1,203 views
databases Intermediate

Install and configure CockroachDB cluster with high availability and distributed SQL

Set up a production-ready CockroachDB cluster with SSL certificates, load balancing, and automated backups for distributed SQL workloads. This tutorial covers multi-node deployment, security hardening, and performance optimization for enterprise environments.

45 min 6 distros 1,435 views
hosting Intermediate

Install and configure Varnish Cache 7 with NGINX backend for high-performance web acceleration

Set up Varnish Cache 7 as a high-performance HTTP accelerator with NGINX backend integration. This tutorial covers installation, SSL termination, cache optimization, purging mechanisms, and monitoring for production environments.

45 min 6 distros 1,312 views
hosting Intermediate

Install and configure H2O HTTP/2 web server with FastCGI and SSL certificates

Deploy H2O, a high-performance HTTP/2 web server with native FastCGI support and SSL/TLS termination. Configure virtual hosts, PHP-FPM integration, and performance optimization for production environments.

25 min 6 distros 1,179 views
security Intermediate

Configure ClamAV antivirus scanning with automated threat detection and email alerts

Set up ClamAV daemon for real-time malware detection with automated scanning schedules, email notifications for threats, and optimized performance settings for production servers.

25 min 6 distros 1,548 views
hosting Intermediate

Install and configure Gunicorn application server with systemd and reverse proxy for Python web applications

Deploy Python web applications in production using Gunicorn WSGI server with systemd service management and Nginx reverse proxy. Includes performance tuning, security hardening, and monitoring setup.

25 min 6 distros 1,501 views
networking Intermediate

Configure OpenVPN server with certificate management and client automation

Set up a production-grade OpenVPN server with Easy-RSA certificate authority, automated client configuration generation, and certificate revocation management for secure remote access.

25 min 6 distros 1,235 views
devops Intermediate

Configure Kafka Connect for database integration with JDBC connectors and CDC

Set up Kafka Connect with JDBC connectors for real-time database integration and configure Debezium for change data capture. Monitor connector performance and troubleshoot common integration issues.

45 min 4 distros 1,335 views
networking Intermediate

Configure HAProxy with Consul for dynamic service discovery and automatic backend updates

Set up HAProxy with Consul integration for automatic service discovery, health checking, and dynamic backend updates. This tutorial covers consul-template configuration for zero-downtime scaling and failover in microservices architectures.

35 min 4 distros 1,457 views

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