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.
Read More...NGINX Rewrite Rules: The Complete Guide to URL Rewriting
by Danila Vershinin, January 25, 2026
Master NGINX rewrite rules and URL rewriting with this comprehensive guide. Learn the difference between return and rewrite directives, capturing groups, rewrite flags, and real-world SEO migration scenarios with tested configurations.
Read More...NGINX Load Balancing: Complete Guide to Algorithms & Setup
by Danila Vershinin, January 23, 2026
Learn how NGINX load balancing works under the hood. This complete guide covers all load balancing algorithms including round-robin, least connections, IP hash, consistent hashing, and the Power of Two Choices, with production-ready configuration examples.
Read More...Choosing your RHEL 8 clone after the death of CentOS
by Danila Vershinin, July 24, 2021
As CentOS is no longer an RHEL clone, companies seek another free clone of RHEL. What will it be? AlmaLinux, Rocky Linux, or Oracle Linux? We review these choices and give a recommendation.
Read More...How to install ElasticSearch for Magento 2 on CentOS/RHEL
by Danila Vershinin, September 29, 2020
How to install and configure ElasticSearch for Magento 2 on CentOS/RHEL operating systems via RPM repository
Read More...How to configure the time synchronization and timezone on CentOS/RHEL
by Danila Vershinin, March 4, 2020
When you thought you knew what the server timezone should be, think again.
Read More...Configure IKEV2 (Strongswan) VPN client in CentOS/RHEL 8 (Gnome GUI)
by Danila Vershinin, December 8, 2019
How to configure a Strongswan (IKEV2) client VPN connection in CentOS/RHEL 8
Read More...DNS caching and beyond, in CentOS/RHEL and Fedora
by Danila Vershinin, July 21, 2019
Make use of DNS caching on your CentOS/RHEL 7/8 to speed up your server even faster!
Read More...Magento, PayPal, libcurl and RedHat = crazy together
by Danila Vershinin, May 16, 2019
How a bad warning can be misleading and corrupt systems
Read More...Install MySQLTuner in CentOS/RHEL
by Danila Vershinin, March 20, 2019
How to install MySQLTuner in CentOS/RHEL 7 to help with tuning MySQL server instances
Read More...Recommended Web Hosting
