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
877

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

security
755

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

hosting
739

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

hosting
731

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
719

Recently published

Configure systemd service resource limits and security isolation

linux
1 hour ago

Configure NGINX SSL termination with Redis session storage

hosting
1 hour ago

Configure intrusion detection with OSSEC and fail2ban integration

security
1 hour ago

Set up Varnish 7 cluster with load balancing across multiple backends

performance
1 hour ago

Configure OSSEC active response for automated threat blocking

security
6 hours ago
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devops Intermediate

Implement Deno WebSocket real-time applications with clustering and production deployment

Build production-ready real-time WebSocket applications with Deno, implementing clustering for high availability, SSL termination, and comprehensive monitoring for scalable messaging systems.

45 min 4 distros 179 views
hosting Intermediate

Configure NGINX reverse proxy with SSL termination and load balancing for high availability

Set up NGINX as a reverse proxy with SSL termination, load balancing across multiple backend servers, and automatic HTTPS redirection for production-ready high availability web infrastructure.

25 min 4 distros 225 views
devops Intermediate

Setup Kubernetes Ingress NGINX with cert-manager for automated SSL certificates

Learn to deploy NGINX Ingress Controller with cert-manager for automatic SSL certificate provisioning and renewal using Let's Encrypt in production Kubernetes clusters.

35 min 4 distros 220 views
monitoring Intermediate

Set up distributed tracing for Node.js and Python microservices with OpenTelemetry and Jaeger

Configure end-to-end distributed tracing across Node.js and Python microservices using OpenTelemetry instrumentation and Jaeger backend with Elasticsearch for centralized trace collection and analysis.

45 min 4 distros 137 views
monitoring Advanced

Set up Jaeger multi-datacenter replication for disaster recovery and high availability

Configure Jaeger distributed tracing with multi-datacenter replication for high availability and disaster recovery. Learn to set up primary and secondary datacenters with automated failover and cross-region data synchronization.

90 min 4 distros 302 views
databases Intermediate

Configure Redis 7 Lua scripting and modules for advanced data processing

Enable and optimize Redis 7 Lua scripting capabilities, install custom modules, and implement advanced data processing scripts with performance monitoring for high-throughput applications.

45 min 4 distros 188 views
devops Intermediate

Configure Kubernetes horizontal pod autoscaler for dynamic scaling based on resource metrics

Set up HPA with CPU and memory targets for automatic pod scaling. Configure metrics server and Prometheus adapter for custom metrics monitoring. Enable dynamic workload scaling based on resource utilization.

45 min 4 distros 233 views
devops Intermediate

Deploy Spring Boot applications with Jetty and Docker containers

Learn to deploy production-ready Spring Boot applications using Jetty embedded server with Docker containerization. This tutorial covers multi-stage Docker builds, production configuration, and deployment with Docker Compose for scalable Java applications.

45 min 4 distros 166 views
monitoring Intermediate

Monitor Kubernetes clusters with Prometheus and Grafana for container orchestration insights

Set up comprehensive Kubernetes monitoring using the Prometheus Operator and Grafana with persistent storage, RBAC, ServiceMonitors, and custom dashboards for complete cluster observability.

45 min 4 distros 282 views
security Intermediate

Configure Linux user and group management with sudo access control

Learn to create and manage Linux users and groups with proper sudo access control, security hardening, and monitoring. This comprehensive guide covers account creation, group membership management, sudo configuration, and security best practices for production environments.

45 min 4 distros 215 views
devops Intermediate

Deploy multiple Ollama instances with HAProxy load balancing for high availability AI model serving

Set up multiple Ollama instances behind HAProxy load balancer for high-availability AI model serving with health checks, SSL termination, and automatic failover to eliminate single points of failure.

45 min 4 distros 259 views
security Intermediate

Set up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set

Configure a production-grade web application firewall using NGINX with ModSecurity 3 and OWASP Core Rule Set. Includes logging, monitoring, and fail2ban integration for comprehensive threat protection.

45 min 4 distros 256 views

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