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
853

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

security
733

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

hosting
701

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
700

Configure network interface monitoring with ICMP ping and connectivity testing

networking
699

Recently published

Setup Tailscale site-to-site VPN with multiple exit nodes for redundancy

networking
3 hours ago

Configure FastAPI database connection pooling with PostgreSQL 17 for high-performance applications

databases
3 hours ago

Configure Redis 7 cluster sharding for horizontal scaling with automated failover and monitoring

databases
3 hours ago

Configure H2O HTTP/2 web server caching and compression optimization for high performance

performance
3 hours ago

Integrate H2O with Let's Encrypt for automatic SSL certificates

hosting
8 hours ago
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databases Advanced

Configure Redis 7 cluster sharding for horizontal scaling with automated failover and monitoring

Set up Redis 7 cluster with automatic sharding across multiple nodes for horizontal scaling. Configure hash slots, master-slave replication, and automated failover with comprehensive monitoring.

45 min 4 distros 5 views
performance Intermediate

Configure H2O HTTP/2 web server caching and compression optimization for high performance

Optimize H2O web server performance with advanced caching strategies, HTTP/2 compression, and production-grade tuning for high-traffic applications.

45 min 4 distros 3 views
networking Intermediate

Configure network bridge with VLAN support for virtualization

Set up Linux network bridges with VLAN tagging to create isolated network segments for virtual machines and containers. This enables advanced networking scenarios with traffic separation and trunk port functionality.

25 min 4 distros 11 views
databases Intermediate

Configure MySQL connection pooling with ProxySQL 2.6 for high availability and performance optimization

Set up ProxySQL 2.6 to manage MySQL connection pooling, load balancing, and automatic failover. This tutorial covers backend server configuration, health checks, query routing rules, and monitoring for production MySQL environments.

45 min 4 distros 14 views
databases Advanced

Setup MySQL replication with GTID and automatic failover

Configure MySQL 8.0 master-slave replication using GTID for reliable data synchronization, then implement MySQL High Availability (MHA) for automatic failover detection and promotion.

45 min 4 distros 12 views
hosting Intermediate

Configure Apache reverse proxy and load balancing for high availability

Set up Apache as a reverse proxy with load balancing across multiple backend servers. Configure health checks, SSL termination, and failover for production high availability deployments.

45 min 4 distros 6 views
devops Advanced

Set up Kubernetes custom metrics autoscaling with Prometheus adapter for application-specific scaling

Configure Prometheus adapter to expose custom application metrics to Kubernetes Horizontal Pod Autoscaler for intelligent scaling based on business metrics like queue depth, response time, and user load instead of basic CPU/memory usage.

45 min 4 distros 63 views
devops Intermediate

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

Set up Calico CNI in Kubernetes to implement network policies for pod-to-pod traffic control, create ingress and egress rules for microsegmentation, and test policy enforcement to secure container communication at the network layer.

35 min 4 distros 23 views
monitoring Intermediate

Monitor nginx performance with Prometheus and Grafana using nginx-prometheus-exporter

Set up comprehensive nginx monitoring with Prometheus and Grafana dashboards. Configure nginx stub_status, deploy nginx-prometheus-exporter, and create production-ready alerts for web server performance metrics.

25 min 4 distros 55 views
monitoring Intermediate

Configure NGINX monitoring with Prometheus and Grafana dashboards for real-time web server performance metrics

Set up comprehensive NGINX monitoring using Prometheus metrics collection and custom Grafana dashboards to track web server performance, request rates, and response times in real-time.

45 min 4 distros 43 views
devops Advanced

Configure Istio distributed tracing with Jaeger and Zipkin for comprehensive microservices observability

Set up comprehensive distributed tracing in your Istio service mesh using both Jaeger and Zipkin backends. Configure telemetry collection, trace sampling, and monitoring dashboards for full microservices observability.

45 min 4 distros 55 views
performance Advanced

Optimize NGINX performance for high-traffic websites with advanced configuration and tuning

Configure NGINX for maximum performance with worker process optimization, advanced caching strategies, HTTP/2 tuning, and security hardening for high-traffic production environments.

45 min 4 distros 14 views

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