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 CockroachDB cluster with high availability and distributed SQL

databases
567

Configure network interface monitoring with ICMP ping and connectivity testing

networking
535

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
526

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
518

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
510

Recently published

Monitor MongoDB 8.0 performance with Prometheus and Grafana for real-time metrics and alerting

monitoring
14 minutes ago

Configure Prometheus Alertmanager with email notifications for production monitoring

monitoring
15 minutes ago

Optimize ClickHouse performance for large datasets with advanced tuning and memory management

databases
17 minutes ago

Configure HAProxy SSL termination with Let's Encrypt and security headers

networking
19 minutes ago

Configure Apache HTTP Server clustering with mod_cluster and JBoss EAP for enterprise load balancing

hosting
3 hours ago
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hosting Beginner

Install and configure Tengine web server with SSL certificates and performance optimization

Install Tengine web server from source and packages, configure virtual hosts with SSL certificates, and optimize performance with dynamic upstream health checks and security hardening.

45 min 6 distros 25 views
hosting Beginner

Fix nginx worker_connections are not enough warning

Resolve Nginx worker_connections warnings by calculating optimal values and tuning worker processes for high-traffic applications. Learn to analyze connection usage and prevent connection exhaustion.

20 min 6 distros 4 views
hosting Beginner

Fix high load average with low CPU usage on web servers

Diagnose and resolve high load average issues when CPU usage remains low on Linux web servers. Learn to identify I/O bottlenecks, blocked processes, and system resource contention affecting performance.

25 min 6 distros 11 views
hosting Beginner

Install and configure Go web applications with systemd and reverse proxy

Deploy Go web applications in production with systemd service management, NGINX reverse proxy with SSL termination, and comprehensive logging for monitoring and maintenance.

25 min 6 distros 11 views
security Advanced

Configure Keycloak OAuth2 integration with OpenResty for enterprise SSO

Set up enterprise single sign-on by integrating Keycloak OAuth2 authentication with OpenResty using lua-resty-openidc. Configure secure authentication flows, JWT token validation, and session management for production web applications.

45 min 4 distros 12 views
security Intermediate

Configure NGINX rate limiting and advanced security rules for DDoS protection

Configure NGINX with comprehensive rate limiting, connection throttling, and advanced security headers to protect your web applications from DDoS attacks and malicious traffic. Learn to implement zone-based rate limiting, geographic blocking, and real-time monitoring for production environments.

25 min 4 distros 26 views
hosting Advanced

Configure OpenResty with PostgreSQL connection pooling for database integration

Set up OpenResty with lua-resty-postgres for high-performance database connection pooling. This tutorial covers installation, connection management, health checks, and security hardening for production web applications.

45 min 4 distros 18 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 70 views
performance Advanced

Configure Apache Airflow performance optimization with connection pooling and resource tuning

Optimize Apache Airflow performance through advanced connection pooling, resource tuning, and Celery executor configuration. Learn to scale workers, configure database pools, and implement comprehensive monitoring for production workflows.

45 min 4 distros 71 views
devops Advanced

Advanced Nomad job templates and deployment strategies with rolling updates and canary deployments

Master production-grade Nomad job templates with HCL syntax, implement rolling updates with health checks, and deploy advanced blue-green and canary deployment patterns for resilient containerized workloads.

45 min 4 distros 74 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 135 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 70 views

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