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.

networking Intermediate

Configure HAProxy multi-site SSL termination with SNI for secure load balancing

Set up HAProxy to handle SSL certificates for multiple domains using Server Name Indication (SNI), enabling secure HTTPS traffic termination and load balancing across different backend services.

45 min 4 distros 700 views
security Advanced

Configure OpenVPN LDAP authentication and user management with Active Directory integration

Set up OpenVPN with LDAP authentication to integrate with Active Directory for centralized user management. Configure group-based access control and combine certificate-based authentication with LDAP for enterprise security.

45 min 4 distros 502 views
monitoring Intermediate

Monitor MongoDB 8.0 performance with Prometheus and Grafana for real-time metrics and alerting

Set up comprehensive MongoDB performance monitoring using Prometheus metrics collection and Grafana dashboards with alerting rules for database health, connection pools, and query performance.

45 min 4 distros 512 views
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 515 views
databases Advanced

Optimize ClickHouse performance for large datasets with advanced tuning and memory management

Optimize ClickHouse for high-performance analytics on multi-terabyte datasets with advanced memory tuning, storage engine configuration, query optimization strategies, and distributed clustering for production workloads.

45 min 4 distros 601 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 492 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 772 views
hosting Beginner

Install and configure Hypercorn ASGI server with systemd and reverse proxy for Python web applications

Deploy Python ASGI applications with Hypercorn server, systemd service management, and Nginx reverse proxy for production environments. Complete setup with SSL termination and performance optimization.

25 min 6 distros 784 views
linux Beginner

Configure Linux swap space with memory management and performance optimization

Set up and optimize Linux swap space for better system performance. Learn to create swap files, configure swappiness parameters, and monitor memory usage across different Linux distributions.

20 min 6 distros 817 views
hosting Beginner

Fix nginx worker_connections are not enough warning

Resolve Nginx worker_connections warnings by calculating optimal values and tuning worker processes for high-traffic applications. Learn to analyze connection usage and prevent connection exhaustion.

20 min 6 distros 927 views
linux Beginner

Configure Linux system monitoring with iostat and disk performance analysis

Learn to monitor disk I/O performance with iostat from the sysstat package. Set up real-time monitoring, identify bottlenecks, and automate disk performance analysis with systemd timers.

25 min 6 distros 736 views
linux Advanced

Configure Linux container memory limits and monitoring with systemd and cgroups v2

Set up memory limits and monitoring for containers using systemd services and cgroups v2 to prevent OOM kills and track resource usage.

25 min 6 distros 883 views

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