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 CockroachDB cluster with high availability and distributed SQL

databases
425

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
424

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
411

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
404

Install and configure WireGuard VPN server with client management

networking
402

Recently published

Configure Nagios SNMP monitoring for network devices with automated discovery and templates

monitoring
7 hours ago

Integrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards

monitoring
7 hours ago

Set up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set

security
7 hours ago

Configure NGINX reverse proxy with advanced caching and load balancing

hosting
7 hours ago

Configure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications

monitoring
17 hours ago
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security Intermediate

Configure Linux firewall rules with fail2ban for SSH brute force protection and intrusion prevention

Set up fail2ban to automatically block SSH brute force attacks and protect your Linux server from unauthorized access attempts. Configure custom jails, firewall integration, and email notifications for comprehensive intrusion prevention.

25 min 6 distros 145 views
linux Intermediate

Configure Linux log rotation with logrotate and compression for system maintenance

Master log rotation with logrotate to manage disk space efficiently. Configure custom rotation policies, compression settings, and automated cleanup for applications and system logs.

25 min 6 distros 311 views
security Intermediate

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

Set up ModSecurity 3 with OWASP Core Rule Set 4.0 to protect web applications from SQL injection, XSS, and other attacks. Configure integration with Nginx and Apache, implement custom rules, and optimize performance for production environments.

45 min 6 distros 292 views
hosting Intermediate

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

Deploy production-ready FastAPI applications using Uvicorn ASGI server with systemd process management and Nginx reverse proxy. Configure SSL termination, load balancing, and comprehensive monitoring for high-performance Python web applications.

25 min 6 distros 287 views
hosting Intermediate

Install and configure H2O HTTP/2 web server with FastCGI and SSL certificates

Deploy H2O, a high-performance HTTP/2 web server with native FastCGI support and SSL/TLS termination. Configure virtual hosts, PHP-FPM integration, and performance optimization for production environments.

25 min 6 distros 269 views
security Intermediate

Configure ClamAV antivirus scanning with automated threat detection and email alerts

Set up ClamAV daemon for real-time malware detection with automated scanning schedules, email notifications for threats, and optimized performance settings for production servers.

25 min 6 distros 242 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 158 views
hosting Intermediate

Install and configure Gunicorn application server with systemd and reverse proxy for Python web applications

Deploy Python web applications in production using Gunicorn WSGI server with systemd service management and Nginx reverse proxy. Includes performance tuning, security hardening, and monitoring setup.

25 min 6 distros 169 views
performance Intermediate

Optimize PostgreSQL connection pooling with PgBouncer for high-traffic applications

Learn to configure PgBouncer connection pooling to optimize PostgreSQL performance, reduce connection overhead, and handle thousands of concurrent database connections efficiently in production environments.

25 min 6 distros 154 views
linux Intermediate

Configure Linux process resource monitoring and alerting with cgroups and systemd

Set up comprehensive process resource monitoring using cgroups v2 and systemd to track CPU, memory, and I/O usage with automated alerting when processes exceed defined limits.

25 min 6 distros 171 views
networking Intermediate

Configure OpenVPN server with certificate management and client automation

Set up a production-grade OpenVPN server with Easy-RSA certificate authority, automated client configuration generation, and certificate revocation management for secure remote access.

25 min 6 distros 156 views
linux Intermediate

Configure Linux system backup automation with rsync and systemd timers

Set up automated Linux system backups using rsync with SSH authentication, systemd timers for scheduling, retention policies, email notifications, and monitoring. Perfect for production environments requiring reliable backup automation.

25 min 6 distros 160 views

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