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.
Browse by topic
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
securityImplement OpenResty rate limiting and API protection with Lua middleware
Build production-grade API protection using OpenResty's Lua middleware with advanced rate limiting algorithms, request throttling, and comprehensive security policies for high-traffic web applications.
Configure Django Redis caching and session storage for high-performance web applications
Set up Redis as both cache backend and session storage for Django applications. Improve page load times and user experience with proper Redis configuration and Django integration.
Set up Kafka Streams testing framework with TopologyTestDriver for automated stream processing validation
Configure a complete testing framework for Kafka Streams applications using TopologyTestDriver to validate stream processing logic with automated tests and mock data pipelines.
Configure Nagios custom plugins development for specialized monitoring requirements
Learn to develop custom Nagios plugins for specialized monitoring requirements including setting up the development environment, writing check scripts in multiple languages, and integrating them into your Nagios Core monitoring infrastructure.
Configure SELinux mandatory access controls for enhanced security
Set up SELinux on Ubuntu and Debian systems, configure security modes and policies, create custom application rules, and implement comprehensive monitoring for enhanced Linux security hardening.
Configure SSH certificate authentication with CA signing for secure server access
Set up SSH certificate-based authentication using a Certificate Authority to eliminate individual key management. Create signed user certificates that provide secure, scalable access control for multiple servers and users.
Configure Cassandra SSL encryption and authentication with security hardening
Set up comprehensive SSL/TLS encryption for Apache Cassandra with client-to-node and node-to-node security, certificate management, and production-grade authentication hardening.
Configure NGINX SSL termination with Redis session storage
Set up NGINX as an SSL termination proxy with Redis backend for session storage, enabling scalable load balancing and persistent user sessions across multiple application servers.
Set up Varnish 7 cluster with load balancing across multiple backends
Configure a high-performance Varnish Cache 7 cluster with intelligent load balancing across multiple web servers, SSL termination, health monitoring, and shared cache synchronization for enterprise web acceleration.
Configure NGINX SSL certificate automation with Certbot and renewal monitoring
Set up automated SSL certificate provisioning and renewal for NGINX using Let's Encrypt Certbot with systemd timers, monitoring, and failure alerting for production environments.
Configure logrotate with Elasticsearch and Kibana integration for automated log management
Set up automated log rotation with Elasticsearch index lifecycle management and Kibana dashboard integration for scalable log management. Configure retention policies and monitoring alerts for production environments.
Integrate ModSecurity 3 with SOAR platforms for automated incident response and threat detection
Set up ModSecurity 3 with structured logging, webhook notifications, and API integrations to automatically feed security events into SOAR platforms for real-time threat detection and incident response workflows.
Need help?
Don't want to manage this yourself?
We handle infrastructure for businesses that depend on uptime. From initial setup to ongoing operations.
Talk to an engineer