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.

monitoring Intermediate

Implement custom Prometheus exporters for application metrics collection and monitoring

Build production-grade custom Prometheus exporters in Python and Go to collect application-specific metrics. Learn exporter architecture, metric types, systemd deployment, and Prometheus integration for comprehensive application monitoring.

45 min 4 distros 718 views
devops Advanced

Set up Apache Airflow high availability with CeleryExecutor and Redis clustering

Deploy Apache Airflow in high availability mode using CeleryExecutor with Redis clustering for task distribution, PostgreSQL connection pooling, and load-balanced webservers for production-grade workflow orchestration.

45 min 4 distros 823 views
devops Advanced

Setup Apache Airflow cluster with Kubernetes Executor for auto-scaling workflows

Deploy production-grade Apache Airflow with Kubernetes Executor for dynamic workflow scaling. Configure PostgreSQL backend, RBAC authentication, and auto-scaling policies with Prometheus monitoring integration.

45 min 4 distros 517 views
devops Advanced

Set up Istio multi-cluster service mesh with cross-cluster communication

Deploy and configure Istio across multiple Kubernetes clusters with secure cross-cluster communication, shared service discovery, and unified traffic management for distributed microservices architecture.

45 min 4 distros 564 views
monitoring Advanced

Set up Thanos Receiver for remote write scalability with Prometheus integration

Configure Thanos Receiver to handle high-volume remote write traffic from multiple Prometheus instances. This tutorial covers installation, multi-tenancy setup, and performance optimization for large-scale metrics ingestion.

45 min 4 distros 743 views
security Intermediate

Implement HAProxy rate limiting and DDoS protection with advanced security rules

Configure HAProxy with comprehensive rate limiting, connection throttling, and DDoS protection using stick tables, ACLs, and advanced security rules to protect your applications from malicious traffic and ensure service availability.

45 min 4 distros 929 views
devops Advanced

Configure Kubernetes network policies with Calico CNI for microsegmentation and security enforcement

Learn to implement advanced network security in Kubernetes using Calico CNI. Configure namespace-based microsegmentation, application-level policies, and comprehensive monitoring for enterprise-grade cluster protection.

45 min 4 distros 580 views
security Advanced

Implement Jaeger security with TLS encryption and authentication for distributed tracing

Secure your Jaeger distributed tracing infrastructure with TLS encryption, JWT-based authentication, and RBAC policies. This tutorial covers certificate generation, collector/query service encryption, and UI authentication through reverse proxy integration.

45 min 4 distros 599 views
databases Intermediate

Configure Deno database connections to PostgreSQL and Redis with connection pooling

Set up production-ready database connections in Deno applications with PostgreSQL and Redis, including SSL configuration, connection pooling, authentication, and comprehensive error handling for high-performance TypeScript applications.

45 min 4 distros 536 views
devops Advanced

Implement Kubernetes Pod Security Standards and admission controllers for policy enforcement

Configure Pod Security Standards with baseline and restricted profiles, deploy OPA Gatekeeper admission controller with custom policies, and implement ValidatingAdmissionWebhooks for comprehensive security enforcement in production Kubernetes clusters.

45 min 4 distros 781 views
monitoring Intermediate

Configure OpenTelemetry sampling strategies for high-traffic applications

Learn how to implement probabilistic, deterministic, and adaptive sampling strategies in OpenTelemetry to optimize distributed tracing performance and reduce storage costs in high-traffic production environments.

25 min 4 distros 590 views
performance Advanced

Implement NGINX Lua scripting for advanced caching logic with OpenResty

Configure OpenResty with Lua scripting for advanced caching strategies including dynamic cache keys, intelligent TTL management, and conditional cache invalidation based on business logic.

45 min 4 distros 804 views

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