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
5,729

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

hosting
2,158

Install and configure Ollama for local AI models on Linux servers

devops
2,046

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

hosting
1,915

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

monitoring
1,758

Recently published

Setup Node.js error tracking with Sentry for production monitoring and debugging

monitoring
3 hours ago

Implement Node.js application monitoring with Prometheus metrics and Grafana dashboards

monitoring
12 hours ago

Implement OSPF multi-area design with FRRouting and advanced routing policies

networking
17 hours ago

Configure Istio security policies with external authorization services integration

security
22 hours ago

Implement Docker network security with custom bridge networks and container isolation

security
1 day ago
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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 383 views
monitoring Advanced

Install and configure Graylog 5 for centralized log management with MongoDB and Elasticsearch

Set up Graylog 5 with MongoDB 8.0 and Elasticsearch 8 for centralized log collection, analysis, and alerting. Learn to configure secure inputs, data streams, and monitoring for production environments.

45 min 4 distros 337 views
networking Intermediate

Configure Tailscale with Kubernetes cluster networking integration

Set up Tailscale mesh VPN with Kubernetes cluster integration for secure pod-to-pod communication, subnet routing, and service discovery across distributed nodes.

25 min 4 distros 242 views
databases Intermediate

Implement MongoDB 8.0 change streams for real-time data processing and application synchronization

Set up MongoDB 8.0 change streams to monitor database changes in real-time. Configure replica sets, implement Python and Node.js clients, and add filtering and resumability for production applications.

45 min 4 distros 417 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 278 views
monitoring Advanced

Integrate OpenTelemetry with ELK stack for unified observability and distributed tracing

Set up a comprehensive observability stack by integrating OpenTelemetry Collector with Elasticsearch, Logstash, and Kibana for distributed tracing, metrics collection, and unified monitoring across microservices and applications.

45 min 4 distros 318 views
security Intermediate

Setup Nginx with ModSecurity 3 web application firewall for advanced threat protection

Configure Nginx with ModSecurity 3 and OWASP Core Rule Set to protect web applications against SQL injection, XSS, and other common attacks. This tutorial covers complete WAF setup with security rules, performance optimization, and threat testing.

45 min 4 distros 340 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 754 views
databases Advanced

Set up Elasticsearch 8 cross-cluster replication for disaster recovery and high availability

Configure Elasticsearch 8 cross-cluster replication (CCR) to replicate indices across multiple clusters for disaster recovery. This tutorial covers security setup, remote cluster connections, replication policies, and automated failover procedures.

45 min 4 distros 382 views
devops Intermediate

Integrate Redis 7 with microservices architecture for caching and session management

Set up Redis 7 as a centralized caching layer and session store for microservices, with service discovery integration and clustering for high availability. Configure distributed session management patterns and implement Redis clustering for horizontal scalability.

45 min 4 distros 410 views
linux Intermediate

Configure system backup automation with BorgBackup and systemd timers

Set up automated, deduplicated backups with BorgBackup and systemd timers for reliable system protection. This tutorial covers installation, repository setup with encryption, automated scheduling, and monitoring for production environments.

45 min 4 distros 340 views
monitoring Intermediate

Setup Elasticsearch monitoring with Metricbeat and Kibana dashboards

Monitor your Elasticsearch cluster performance with Metricbeat for comprehensive metrics collection and visualization through pre-built Kibana dashboards. This tutorial covers installation, configuration, and automated alerting.

25 min 4 distros 292 views

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