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.

performance Intermediate

Optimize NGINX performance with microcaching and worker tuning for high-traffic websites

Configure NGINX for high-traffic websites with microcaching for dynamic content, optimized worker processes, buffer tuning, and compression. Learn to monitor cache performance and troubleshoot memory usage.

25 min 6 distros 1,406 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 2,248 views
performance Intermediate

Optimize Node.js application performance with PM2 clustering and memory management

Learn how to optimize Node.js application performance using PM2 process manager with clustering, memory limits, and monitoring. This tutorial covers production deployment with systemd integration and advanced performance tuning.

25 min 6 distros 2,324 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 3,893 views
performance Intermediate

Optimize Redis 7 memory usage and performance with advanced configuration tuning

Learn to optimize Redis 7 memory consumption and performance through advanced configuration tuning, including eviction policies, compressed data structures, active defragmentation, and comprehensive monitoring techniques.

25 min 6 distros 1,767 views
networking Intermediate

Configure Tailscale mesh VPN with subnet routing and ACL policies for secure network access

Set up a zero-trust mesh VPN network with Tailscale that includes subnet routing for local network access, granular ACL policies for security, and exit nodes for secure internet access.

25 min 6 distros 2,783 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 1,298 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 1,469 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 1,408 views
performance Intermediate

Optimize Linux network stack performance with sysctl tuning and TCP congestion control

Learn how to optimize Linux network performance using sysctl kernel parameters, TCP BBR congestion control, and advanced buffer tuning. This guide covers baseline testing, monitoring, and production-grade configurations for high-throughput servers.

35 min 6 distros 3,420 views
hosting Intermediate

Install and configure OpenResty web server with Lua scripting and performance optimization

Set up OpenResty as a high-performance web server and API gateway with embedded Lua scripting capabilities, SSL certificates, and advanced caching optimization for production workloads.

45 min 6 distros 2,135 views
performance Intermediate

Optimize HAProxy performance with connection pooling and advanced load balancing algorithms

Configure HAProxy with connection pooling, advanced load balancing algorithms, and performance tuning for high-throughput workloads. Learn to implement least-conn, URI hashing, and buffer optimization.

25 min 6 distros 2,111 views

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