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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Install and configure Deno for web development with systemd and reverse proxy

hosting
9,916

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring
5,639

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

hosting
4,642

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases
4,075

Install and configure Ollama for local AI models on Linux servers

devops
4,052

Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
1 周前

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
1 周前

Configure HAProxy with Consul for dynamic service discovery

networking
1 周前

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
2 周前

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
2 周前
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performance Beginner

Benchmark and optimize Linux disk I/O performance with fio testing

Learn how to benchmark disk I/O performance using fio (Flexible I/O tester) to identify storage bottlenecks and optimize your Linux system's disk performance through comprehensive read/write testing and analysis.

25 min 6 distros 2,735 views
networking Intermediate

Configure network load balancing with keepalived and VRRP for high availability failover

Set up keepalived with VRRP to create highly available network services with automatic failover. Configure virtual IP addresses that move between servers when one fails, ensuring zero-downtime load balancing.

25 min 6 distros 2,545 views
security Intermediate

Configure AppArmor security profiles for web servers and databases with custom policy enforcement

Set up mandatory access control for Nginx, Apache, MySQL, and PostgreSQL using AppArmor security profiles. Learn to create custom policies, debug profile violations, and implement advanced enforcement for production web servers and databases.

45 min 6 distros 1,617 views
linux Intermediate

Configure Linux system firewall with nftables and security hardening

Learn how to configure nftables firewall with advanced security rules, rate limiting, and fail2ban integration. This tutorial covers migration from iptables, logging configuration, and production-grade security hardening for modern Linux systems.

45 min 6 distros 1,519 views
hosting Intermediate

Install and configure Lighttpd web server with SSL and FastCGI for lightweight hosting

Set up Lighttpd web server with SSL certificates from Let's Encrypt and FastCGI support for PHP applications. Configure virtual hosts, optimize performance, and implement security hardening for production hosting.

25 min 6 distros 1,115 views
linux Intermediate

Configure automatic security updates with unattended-upgrades and email notifications

Set up automated security patching on Linux servers with unattended-upgrades and dnf-automatic. Configure email notifications, update policies, and monitoring to keep your systems secure while maintaining control over critical services.

25 min 6 distros 1,693 views
networking Intermediate

Automate WireGuard client management with scripts for provisioning and configuration

Create automated scripts to provision WireGuard clients, manage configurations, and monitor VPN connections. This tutorial builds comprehensive management tools for production WireGuard deployments.

45 min 4 distros 1,275 views
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 1,088 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 1,447 views

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