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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Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Configure Linux system time synchronization with chrony and NTP hardening
linuxSet up Node.js application security with Helmet and rate limiting
securityInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesRecently published
Configure OSSEC active response for automated threat blocking
securityConfigure CockroachDB 24.3 multi-region deployment with high availability clustering
databasesSet up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security
securityConfigure keepalived with HAProxy backend health monitoring for high availability load balancing
networkingConfigure ModSecurity machine learning anomaly detection for automated threat protection
securityInstall and configure Istio service mesh for Kubernetes with security policies and observability
Learn to deploy Istio service mesh on Kubernetes with mTLS security, traffic management, and comprehensive observability using Kiali and Jaeger for production microservices.
Install and configure Apache Airflow with PostgreSQL backend and secure production deployment
Learn to deploy Apache Airflow in production with PostgreSQL backend, systemd services, SSL/TLS encryption, and security hardening for enterprise workflow orchestration.
Install and configure SonarQube for code quality analysis with PostgreSQL and SSL
Set up SonarQube Community Edition with PostgreSQL database backend, SSL/TLS encryption, and CI/CD integration for comprehensive static code analysis and security scanning.
Install and configure Keycloak for enterprise authentication with clustering
Set up Keycloak as an enterprise identity provider with PostgreSQL backend, SSL encryption, and high availability clustering for OAuth2, OpenID Connect, and SAML authentication across your organization.
Install and configure Nexus Repository Manager for private Docker and Maven repositories
Set up Nexus Repository Manager OSS with SSL-enabled Docker registry, Maven repositories, and automated backups for secure artifact management in enterprise environments.
Install and configure MinIO object storage with SSL and clustering
Set up MinIO as a distributed S3-compatible object storage cluster with SSL/TLS encryption and production-grade security. This tutorial covers installation, clustering, access policies, and monitoring for high-availability storage infrastructure.
Install and configure NGINX with HTTP/3 and modern security headers
Set up NGINX with HTTP/3 and QUIC support for faster web performance. Configure SSL certificates, implement modern security headers like CSP and HSTS, and optimize for production workloads.
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