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NGINX Nchan: Build Real-Time Apps Without Node.js


by Danila Vershinin, January 30, 2026

Learn how to build real-time web applications using NGINX Nchan module. This comprehensive guide covers WebSocket, Server-Sent Events, and long-polling implementations for chat systems and push notifications—all without Node.js.

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NGINX Sticky Sessions: Cookie-Based Load Balancing


by Danila Vershinin, January 29, 2026

Learn how to implement NGINX sticky sessions with cookie-based load balancing. This comprehensive guide covers installation, configuration, security best practices, and troubleshooting for Rocky Linux, AlmaLinux, and RHEL systems.

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NGINX Zstd Compression: Complete Configuration Guide


by Danila Vershinin, January 27, 2026

Learn how to configure Zstandard (zstd) compression in NGINX for faster websites. Complete guide with installation, configuration examples, performance benchmarks comparing zstd vs gzip vs Brotli, and best practices for RHEL, CentOS, Rocky Linux, and AlmaLinux.

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How to install and configure CAPTCHA NGINX module in CentOS/RHEL


by Danila Vershinin, October 8, 2021

Implementing CAPTCHA image generation and validation using NGINX module

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NGINX: Enable conditional GET for dynamic pages


by Danila Vershinin, January 27, 2019

Empower your NGINX with the ultimate performance tweak – automatic ETag for dynamic content!

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Install NGINX with ngx_pagespeed (Google PageSpeed) dynamic module in CentOS/RHEL, Amazon Linux and Fedora Linux


by Danila Vershinin, October 3, 2016

Easily install latest stable nginx with ngx_pagespeed dynamic module in CentOS 7 or RedHat 7

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