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

Configure Keycloak OAuth2 integration with OpenResty for enterprise SSO

Set up enterprise single sign-on by integrating Keycloak OAuth2 authentication with OpenResty using lua-resty-openidc. Configure secure authentication flows, JWT token validation, and session management for production web applications.

45 min 4 distros 387 views
devops Intermediate

Configure Kubernetes External DNS for automatic DNS record management with cloud providers

Set up External DNS controller to automatically create and manage DNS records for your Kubernetes services and ingresses. This tutorial covers installation, cloud provider integration, and security configuration for production-ready DNS automation.

25 min 4 distros 452 views
monitoring Intermediate

Monitor Django applications with Prometheus and Grafana for comprehensive performance insights

Set up comprehensive Django application monitoring using Prometheus metrics collection and Grafana dashboards. Configure django-prometheus middleware to track request metrics, database queries, and application performance with real-time alerting.

45 min 4 distros 469 views
monitoring Advanced

Configure Thanos Receiver clustering for high availability and load distribution

Set up Thanos Receiver clustering with hashring configuration to distribute Prometheus remote write traffic across multiple replicas for high availability and scalability.

45 min 4 distros 377 views
monitoring Intermediate

Implement Grafana alerting with Prometheus and InfluxDB for comprehensive monitoring

Set up comprehensive Grafana alerting using both Prometheus metrics and InfluxDB time-series data to monitor your infrastructure from multiple data sources. This tutorial covers configuring data sources, creating alert rules, and setting up notification channels for production monitoring.

45 min 4 distros 364 views
monitoring Intermediate

Set up OpenTelemetry custom instrumentation and metrics collection with Prometheus integration

Configure OpenTelemetry Collector with custom metrics exporters and processors, set up application instrumentation with SDKs, and integrate with Prometheus and Grafana for comprehensive distributed system monitoring and observability.

45 min 4 distros 436 views
monitoring Intermediate

Integrate MinIO with Prometheus monitoring for performance metrics and observability

Set up comprehensive monitoring for your MinIO object storage cluster with Prometheus metrics collection, Grafana visualization dashboards, and automated alerting rules for production environments.

35 min 4 distros 541 views
hosting Advanced

Configure OpenResty with PostgreSQL connection pooling for database integration

Set up OpenResty with lua-resty-postgres for high-performance database connection pooling. This tutorial covers installation, connection management, health checks, and security hardening for production web applications.

45 min 4 distros 323 views
monitoring Advanced

Configure advanced Grafana dashboards and alerting with Prometheus integration

Learn to build production-grade Grafana dashboards with advanced templating, custom Prometheus queries, sophisticated alerting rules, and automated provisioning for scalable monitoring infrastructure.

45 min 4 distros 598 views
monitoring Intermediate

Monitor OpenVPN connections with Grafana dashboard and Prometheus metrics

Set up comprehensive monitoring for your OpenVPN server using Prometheus to collect connection metrics and Grafana to visualize client connections, bandwidth usage, and server performance through custom dashboards.

45 min 4 distros 363 views
security Advanced

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

Configure HAProxy with ModSecurity 3 using SPOE protocol to create a high-performance web application firewall that protects against OWASP Top 10 threats while maintaining load balancing capabilities.

45 min 4 distros 884 views
databases Intermediate

Implement MinIO data lifecycle management and automated archival with S3 retention policies

Configure MinIO lifecycle policies to automatically transition and expire objects based on age and storage class. Set up intelligent tiering and automated archival to optimize storage costs and compliance with data retention requirements.

35 min 4 distros 1,159 views

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