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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Install and configure Deno for web development with systemd and reverse proxy

hosting
10,056

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring
5,799

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

hosting
4,827

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases
4,273

Install and configure Ollama for local AI models on Linux servers

devops
4,187

Recently published

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

networking
1 day ago

Implement Istio multi-cluster canary deployments and traffic splitting

devops
3 days ago

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
5 days ago

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
2 weeks ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
2 weeks ago
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hosting Intermediate

Configure Deno WebSocket connections for real-time applications with clustering and production deployment

Set up production-ready Deno WebSocket servers with authentication, clustering, and load balancing for real-time applications. Complete with systemd service configuration and NGINX reverse proxy setup.

45 min 4 distros 1,066 views
monitoring Intermediate

Integrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards

Set up comprehensive monitoring for Elasticsearch 8 using Prometheus metrics collection and Grafana visualization. This tutorial covers exporter installation, metric configuration, dashboard setup, and alerting rules for production environments.

45 min 4 distros 1,010 views
monitoring Advanced

Implement OpenTelemetry distributed context propagation across microservices with automatic instrumentation

Set up comprehensive distributed tracing across microservices using OpenTelemetry with automatic context propagation, trace correlation headers, and framework-specific auto-instrumentation for Python, Java, and Node.js applications.

45 min 4 distros 1,091 views
networking Advanced

Set up OpenVPN high availability cluster with automatic failover and load balancing

Build a production-ready OpenVPN high availability cluster using keepalived for automatic failover and HAProxy for load balancing across multiple OpenVPN servers.

90 min 4 distros 990 views
security Advanced

Configure ClickHouse users and RBAC for production environments with authentication and access control

Secure your ClickHouse deployment with proper user authentication, role-based access control, and production-grade security policies. Learn to create users, manage roles, implement quota systems, and monitor access patterns for enterprise environments.

45 min 4 distros 1,925 views
security Intermediate

Implement Deno JWT authentication with OAuth2 integration for secure API development

Set up production-grade JWT authentication middleware in Deno with OAuth2 provider integration and role-based access control. Learn to secure API endpoints with proper token validation, user management, and enterprise-ready authentication flows.

45 min 4 distros 1,069 views
devops Intermediate

Configure Ansible dynamic inventory for AWS, Azure, and GCP with automated discovery

Set up Ansible dynamic inventory plugins for AWS EC2, Azure VMs, and Google Cloud instances with automated discovery, credential management, and performance optimization across multiple cloud providers.

45 min 4 distros 983 views
security Advanced

Set up intrusion detection with OSSEC HIDS and nftables integration for automated threat response

Configure OSSEC Host-based Intrusion Detection System with nftables firewall integration for real-time threat detection and automated response. Monitor system activity, detect intrusions, and automatically block malicious IPs using active response mechanisms.

45 min 4 distros 1,022 views
networking Intermediate

Implement SNMP device auto-discovery with network scanning and automated inventory management

Set up automated SNMP device discovery using nmap network scanning and Python scripts for dynamic inventory management. Integrate with Zabbix and Grafana for comprehensive network monitoring and visualization.

45 min 4 distros 1,280 views
devops Intermediate

Configure Ansible dynamic inventory for AWS, Azure, and GCP with automated discovery

Set up Ansible dynamic inventory plugins for AWS EC2, Azure, and Google Cloud Platform to automatically discover and manage cloud resources. This tutorial covers authentication, filtering, and unified inventory management across multiple cloud providers.

45 min 4 distros 854 views
monitoring Intermediate

Set up Kibana alerting and monitoring with Elasticsearch Watcher for automated threat detection

Configure Kibana alerting rules and Elasticsearch Watcher to automatically detect security threats and send notifications via email or Slack. Set up monitoring dashboards with automated responses for production security monitoring.

45 min 4 distros 1,111 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 934 views

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