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
Configure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsImplement Deno microservices architecture with service discovery and load balancing
devopsImplement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection
securityConfigure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana
monitoringConfigure Node.js application monitoring with PM2 and Grafana
Set up comprehensive Node.js application monitoring using PM2 process manager with Prometheus metrics collection and Grafana dashboards for production-grade observability and alerting.
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 Nagios Core 4.5 SSL certificates and security hardening with authentication controls
Secure your Nagios monitoring with SSL certificates, advanced authentication, and comprehensive access controls. This guide covers Let's Encrypt integration, web interface hardening, and security monitoring setup.
Configure NGINX virtual hosts with SSL certificates for multiple domains
Set up multiple domains on a single NGINX server with automatic SSL certificates from Let's Encrypt. Handle domain routing, certificate management, and secure configurations for production hosting.
Configure ScyllaDB SSL encryption and authentication with certificate management and security hardening
Secure your ScyllaDB cluster with comprehensive SSL/TLS encryption for client connections and inter-node communication. This tutorial covers certificate generation, authentication setup, and production security hardening.
Configure Jetty clustering and session replication for high availability
Set up Eclipse Jetty 12 in a clustered configuration with session replication across multiple nodes. This tutorial covers installation, clustering setup with JDBC session persistence, load balancer integration, and production monitoring for high-availability web applications.
Configure Cherokee web server with MySQL database optimization and performance tuning
Set up Cherokee web server with optimized MySQL database connections, FastCGI configuration, and performance tuning for high-traffic web applications on Linux systems.
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.
Configure NGINX HTTP/2 server push and connection multiplexing
Configure NGINX HTTP/2 server push and connection multiplexing to reduce page load times by up to 50% through proactive resource delivery and efficient connection reuse for high-performance web applications.
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 PostgreSQL 17 SSL encryption and advanced security hardening
Set up SSL/TLS encryption, client certificate authentication, and comprehensive security policies for PostgreSQL 17. Includes audit logging, access controls, and firewall configuration for production environments.
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