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
10,057

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

monitoring
5,799

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

hosting
4,829

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

databases
4,275

Install and configure Ollama for local AI models on Linux servers

devops
4,190

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Configure HAProxy with Consul for dynamic service discovery and automatic backend updates

networking
1 day ago

Implement Istio multi-cluster canary deployments and traffic splitting

devops
3 days ago

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
5 days ago

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
2 weeks ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
2 weeks ago
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monitoring Intermediate

Configure Prometheus Alertmanager with email notifications for production monitoring

Set up Prometheus Alertmanager to send email notifications when your systems trigger alerts. This tutorial covers SMTP configuration, alert routing rules, and email template customization for production monitoring workflows.

35 min 4 distros 760 views
networking Intermediate

Configure HAProxy SSL termination with Let's Encrypt and security headers

Set up HAProxy 2.8 with SSL termination, automatic Let's Encrypt certificates, and security headers for high-performance load balancing with HTTPS offloading and automated certificate renewal.

35 min 4 distros 707 views
hosting Advanced

Configure Apache HTTP Server clustering with mod_cluster and JBoss EAP for enterprise load balancing

Set up Apache HTTP Server with mod_cluster module to create an intelligent load balancing cluster with JBoss EAP application servers, featuring automatic node discovery, session clustering, and health monitoring.

45 min 6 distros 1,008 views
linux Advanced

Fix apt update E: Repository no longer has a Release file

Resolve apt update errors when repositories lose Release files due to expired GPG keys, discontinued repos, or corrupted package manager state. Includes diagnostics, recovery methods, and prevention strategies.

25 min 7 distros 2,815 views
hosting Beginner

Install and configure Waitress WSGI server with SSL certificates for Python web applications

Deploy production-ready Python web applications using Waitress WSGI server with SSL certificates, systemd service management, and reverse proxy configuration for Flask and Django applications.

25 min 6 distros 1,097 views
hosting Beginner

Install and configure Caddy 2 web server with automatic HTTPS and PHP-FPM

Set up Caddy 2 web server with automatic HTTPS certificates from Let's Encrypt and PHP-FPM integration for dynamic content. Includes virtual hosts, security headers, and systemd service configuration.

25 min 6 distros 821 views
hosting Beginner

Install and configure Tengine web server with SSL certificates and performance optimization

Install Tengine web server from source and packages, configure virtual hosts with SSL certificates, and optimize performance with dynamic upstream health checks and security hardening.

45 min 6 distros 1,232 views
hosting Beginner

Fix systemd service keeps restarting in a loop

Stop systemd services from continuously restarting by identifying restart loop causes, debugging configuration issues, and implementing proper service constraints to ensure stable operation.

25 min 6 distros 1,874 views
hosting Beginner

Install and configure uWSGI application server with Nginx reverse proxy for Python web applications

Set up a production-ready Python web application stack with uWSGI as the WSGI server and Nginx as a reverse proxy. Includes SSL certificate setup, systemd service configuration, and troubleshooting guide for Django and Flask deployments.

25 min 6 distros 893 views
hosting Beginner

Fix Apache web server high memory usage and optimize performance

Diagnose Apache memory issues and optimize MPM modules, worker processes, and configuration to reduce RAM usage and improve web server performance.

25 min 6 distros 1,571 views
linux Beginner

Configure Linux text editors with vim and nano for system administration

Learn to configure vim and nano text editors for efficient Linux system administration. Master keyboard shortcuts, create custom .vimrc configurations, and choose the right editor for different tasks.

25 min 6 distros 877 views
hosting Beginner

Install and configure Go web applications with systemd and reverse proxy

Deploy Go web applications in production with systemd service management, NGINX reverse proxy with SSL termination, and comprehensive logging for monitoring and maintenance.

25 min 6 distros 1,106 views

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