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
Setup 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
securityImplement Docker network security with custom bridge networks and container isolation
securityConfigure OSPF with FRRouting 10 for dynamic routing protocols and network failover
Set up OSPF dynamic routing with FRRouting 10 for automatic network failover and route redistribution. Configure area authentication, routing policies, and monitoring for enterprise network resilience.
Configure 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.
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.
Configure Istio traffic management with virtual services and destination rules
Configure advanced Istio traffic management using virtual services for intelligent request routing and destination rules for load balancing and service subsets in production Kubernetes environments.
Configure Kubernetes persistent volumes with NFS storage for container data persistence
Set up NFS-backed persistent volumes in Kubernetes to provide shared, durable storage for containerized applications across multiple nodes with automatic failover capabilities.
Implement OpenResty JWT authentication with OAuth2 integration for secure web applications
Set up secure JWT-based authentication in OpenResty with OAuth2 provider integration using lua-resty-jwt module. Configure token validation, authentication middleware, and security policies for production web applications.
Implement Kafka Streams applications for real-time data processing with Java and Scala
Build production-grade Kafka Streams applications for real-time data processing using Java and Scala. Configure stream processing topologies, implement windowing operations, and deploy scalable streaming applications with monitoring.
Set up Nexus Repository Manager high availability clustering for production scale
Deploy a production-ready Nexus Repository Manager cluster with shared storage, load balancing, and automated failover for enterprise artifact management and zero-downtime operations.
Optimize PHP-FPM performance with memory tuning and connection pooling for high-traffic websites
Configure PHP-FPM with optimized memory pools, process management, and connection limits to handle high-traffic websites efficiently. Learn production-grade tuning strategies for maximum performance.
Install and configure DuckDB for analytical workloads with Python integration
Set up DuckDB, the high-performance analytical database, with CLI tools and Python integration for fast OLAP queries and data analytics workloads.
Configure Linux audit system with auditd for security compliance and file monitoring
Set up the Linux audit system with auditd to monitor file access, user activities, and system calls for security compliance. Learn to create audit rules, analyze logs, and track privilege escalations.
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