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
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Implement Apache load balancing with SSL termination and health checks
hostingSetup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityConfigure Apache rate limiting and DDoS protection with mod_security and mod_evasive
Set up comprehensive Apache protection against DDoS attacks and malicious traffic using mod_evasive for rate limiting, mod_security with OWASP rules for web application firewall capabilities, and fail2ban integration for automated IP blocking.
Configure Node.js application clustering with PM2 and load balancing
Set up PM2 clustering to scale Node.js applications across CPU cores with NGINX load balancing. Monitor performance and optimize resource utilization for high-traffic production workloads.
Implement Elasticsearch 8 index lifecycle management and retention policies
Configure automated index lifecycle management (ILM) policies in Elasticsearch 8 to optimize storage, performance, and data retention. Learn to set up hot-warm-cold architectures with automatic rollover and deletion based on age and size criteria.
Configure ClamAV cluster scanning for high availability and enterprise threat detection
Build a production-grade ClamAV cluster with HAProxy load balancing, shared virus definitions, and comprehensive monitoring for enterprise-scale threat detection and high availability.
Set up MySQL backup encryption and remote storage with rsync
Create automated MySQL backups with GPG encryption and secure remote storage using rsync and SSH keys. This tutorial covers database dumping, compression, encryption, and automated synchronization to remote servers.
Set up MongoDB 8.0 sharding cluster for horizontal scaling with replica sets and automated balancing
Configure a production-grade MongoDB 8.0 sharded cluster with replica sets, config servers, and mongos routers for horizontal scaling. This tutorial covers automated chunk balancing, high availability, and enterprise-ready deployment patterns.
Implement FastAPI authentication with JWT and OAuth2 for secure API development
Build secure FastAPI applications with JWT token authentication and OAuth2 password bearer flows. Learn to implement role-based access control and protect API endpoints with production-ready security patterns.
Configure application connection pooling for CockroachDB with PgBouncer and HAProxy
Set up efficient connection pooling for CockroachDB applications using PgBouncer as a connection pool manager and HAProxy for load balancing across multiple database nodes. This configuration reduces database connection overhead and improves application performance.
Setup Tomcat 10 clustering with HAProxy load balancing for high availability
Configure Apache Tomcat 10 clustering with HAProxy load balancing to distribute traffic across multiple application server instances. Implement session replication and automatic failover for production-grade Java web applications with high availability and zero-downtime deployments.
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.
Set up Node.js application security with Helmet and rate limiting
Secure your Node.js Express applications against common vulnerabilities with Helmet.js middleware and implement rate limiting to prevent abuse and DDoS attacks.
Configure Nginx Redis caching with SSL authentication and security hardening
Set up high-performance Nginx caching with Redis backend using SSL/TLS encryption and authentication. This tutorial covers Redis 7 SSL configuration, Nginx cache module setup, and comprehensive security hardening for production environments.
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