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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Configure Linux system time synchronization with chrony and NTP hardening

linux
876

Set up Node.js application security with Helmet and rate limiting

security
754

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

hosting
734

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

hosting
729

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
717

Recently published

Configure OSSEC active response for automated threat blocking

security
3 hours ago

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

databases
3 hours ago

Set up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security

security
3 hours ago

Configure keepalived with HAProxy backend health monitoring for high availability load balancing

networking
3 hours ago

Configure ModSecurity machine learning anomaly detection for automated threat protection

security
8 hours ago
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monitoring Intermediate

Configure Prometheus alerting rules for cgroup metrics monitoring and container resource alerts

Set up comprehensive Prometheus alerting rules for monitoring cgroup resource usage with automated threshold alerts for CPU, memory, and I/O limits. Configure Alertmanager notifications for container resource exhaustion and system health monitoring.

45 min 4 distros 23 views
monitoring Intermediate

Set up Prometheus and Grafana monitoring stack with Docker Compose

Deploy a complete monitoring solution using Prometheus for metrics collection and Grafana for visualization with Docker Compose. This setup provides comprehensive system monitoring, alerting capabilities, and customizable dashboards.

25 min 4 distros 30 views
security Advanced

Secure Docker containers with Traefik reverse proxy and Authelia authentication

Set up a production-grade security stack using Traefik v3 reverse proxy with SSL automation and Authelia for multi-factor authentication. This tutorial covers Docker hardening, LDAP integration, and container security monitoring.

45 min 4 distros 71 views
monitoring Intermediate

Set up Docker Compose monitoring stack with Prometheus and Grafana for AI model performance tracking

Deploy a complete monitoring stack using Docker Compose with Prometheus for metrics collection and Grafana for visualization, specifically configured to track AI model performance metrics like inference latency, throughput, and resource utilization.

45 min 4 distros 96 views
linux Intermediate

Implement Linux memory cgroups for container workload isolation

Configure cgroups v2 memory subsystem to isolate container workloads with precise memory limits, monitoring, and automated enforcement for production environments.

45 min 4 distros 97 views
monitoring Intermediate

Configure Gunicorn performance monitoring with Prometheus metrics and Grafana dashboards

Set up comprehensive performance monitoring for Gunicorn WSGI servers using Prometheus metrics collection and Grafana visualization. Monitor request rates, response times, worker processes, memory usage, and implement automated alerting for production Python applications.

45 min 4 distros 214 views
monitoring Advanced

Configure Prometheus long-term storage with Thanos for unlimited data retention

Deploy Thanos components with Prometheus to achieve unlimited data retention using object storage. This advanced setup enables querying years of historical metrics while maintaining high availability and reducing local storage costs.

45 min 4 distros 338 views
devops Intermediate

Deploy Deno applications with Docker containers and production optimization

Learn how to containerize Deno applications with Docker using multi-stage builds, security hardening, and production-ready configuration. This tutorial covers creating optimized Dockerfiles, implementing proper caching strategies, and deploying with Docker Compose for scalable web applications.

35 min 4 distros 288 views
devops Advanced

Implement Kubernetes network policies with Calico CNI and OPA Gatekeeper for security enforcement

Secure your Kubernetes cluster with Calico CNI network policies and OPA Gatekeeper admission control. This tutorial shows you how to implement pod isolation, policy enforcement, and admission validation for production-grade security.

45 min 4 distros 370 views
monitoring Intermediate

Monitor Linux system resources with performance alerts and automated responses

Set up comprehensive Linux system monitoring with Prometheus, Node Exporter, and Alertmanager to track CPU, memory, and disk usage with automated alerts and response scripts for proactive system management.

45 min 4 distros 377 views
networking Intermediate

Configure NGINX load balancing with health checks and automatic failover

Set up NGINX as a load balancer with upstream servers, active health checks, and automatic failover capabilities. This tutorial covers round-robin, least-connections, and IP-hash load balancing methods with real-time backend monitoring.

25 min 4 distros 448 views
performance Intermediate

Implement Varnish cache warming with automated content preloading for high-performance websites

Set up automated Varnish cache warming with priority URL preloading, systemd timers for scheduled content refreshing, and comprehensive monitoring to optimize cache hit rates and reduce backend server load for high-traffic websites.

35 min 4 distros 464 views

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