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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Configure Linux system time synchronization with chrony and NTP hardening

linux
951

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
839

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
836

Configure Linux kernel parameters for container workloads with sysctl optimization

linux
783

Configure ModSecurity 3 web application firewall with OWASP Core Rule Set for advanced threat protection

security
783

Recently published

Configure ScyllaDB SSL encryption and authentication with certificate management and security hardening

databases
2 hours ago

Set up RAID arrays with mdadm for performance and redundancy

linux
7 hours ago

Configure Varnish ESI (Edge Side Includes) for dynamic content optimization

performance
16 hours ago

Configure SSH certificate authentication with CA signing for secure server access

security
21 hours ago

Configure SSH two-factor authentication with Google Authenticator TOTP

security
1 day ago

All tutorials

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hosting Intermediate

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.

25 min 6 distros 445 views
databases Intermediate

Install and configure PostgreSQL 17 with performance tuning and security hardening

Learn to install PostgreSQL 17 from official repositories, optimize performance with proper memory settings, and implement security best practices including SSL encryption and authentication hardening.

45 min 6 distros 750 views
monitoring Intermediate

Install and configure Grafana with Prometheus for system monitoring

Set up a complete monitoring stack with Prometheus for metrics collection and Grafana for visualization. Create dashboards to monitor system performance, set up alerting rules, and secure your monitoring infrastructure.

45 min 6 distros 530 views
networking Intermediate

Install and configure WireGuard VPN server with client management

Set up a secure WireGuard VPN server with automated client management, including key generation, firewall configuration, and traffic routing for remote access.

25 min 6 distros 663 views
devops Intermediate

Install and configure Traefik reverse proxy with SSL automation

Set up Traefik as a reverse proxy with Docker Compose for automatic SSL certificate management, service discovery, and load balancing across multiple backend services.

25 min 6 distros 526 views
devops Intermediate

Install and configure Podman for rootless containers on Linux

Learn to install Podman and configure rootless containers as a secure Docker alternative. Includes Docker Compose migration, systemd integration, and troubleshooting common permission issues.

25 min 6 distros 551 views
devops Intermediate

Install and configure Ollama for local AI models on Linux servers

Set up Ollama to run large language models locally on your Linux server. This tutorial covers installation, GPU acceleration, model deployment, API configuration, and performance optimization.

25 min 6 distros 747 views

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