Installing the latest curl with HTTP/3 on CentOS, RHEL, and Fedora
by Danila Vershinin, November 30, 2025
How to install the latest curl on RPM-based systems like CentOS, RHEL, AlmaLinux, RockyLinux, Amazon Linux and Fedora.
Read More...Practical guide: tuning http2_chunk_size in NGINX
by Danila Vershinin, October 5, 2025
Pick the right http2_chunk_size in NGINX without guesswork. This practical guide shows when to use 4k, 8k, or 16k, how frame-size limits affect real clients, and how to apply per-location overrides (including Varnish frontends). Includes rule-of-thumb sizing, config snippets, and tips to balance TTFB, fairness, and bulk throughput.
Read More...VPS Is Still Shared Hosting: Diagnose Noisy Neighbors the Right Way
by Danila Vershinin, September 16, 2025
A VPS is still shared hosting. If you see high load with low CPU, you’re likely hitting noisy-neighbor contention: CPU steal or storage iowait. This guide shows how to prove it with iostat/mpstat, what to ask your provider, and when to migrate or switch to Dedicated CPU.
Read More...How to install the ModSecurity NGINX module in Rocky Linux/AlmaLinux/RHEL 9
by Danila Vershinin, January 25, 2025
Here’s how to easily install ModSecurity for NGINX in Rocky Linux/AlmaLinux/RHEL 9
Read More...Supercharging WordPress with NGINX Cache Purge – Say Goodbye to Mounts and Permissions Hassles!
by Danila Vershinin, November 2, 2024
Learn how to set up NGINX cache purge for WordPress with the ngx_cache_purge module. This guide covers installation, configuration, cache key best practices, and troubleshooting common purge issues.
Read More...Mastering the index Directive in Nginx: Best Practices and Optimization Tips
by Danila Vershinin, May 23, 2024
The index directive in Nginx is essential for serving default files when a directory is requested. In this guide, we explore its configuration, best practices, and security enhancements. Learn how to effectively use the index directive to improve your Nginx server’s performance and protect your website.
Read More...Protecting from the Host header vulnerability injection in NGINX
by Danila Vershinin, April 6, 2024
Discover 2 essential strategies for protecting your NGINX web applications from the Host header vulnerability injections. Learn how to secure your infrastructure against cache poisoning and other attacks related to the Host header injection.
Read More...Secure WordPress chmod: A Guide to correct file permissions
by Danila Vershinin, February 8, 2024
Secure your WordPress installation by setting up the correct permissions, using find and chmod commands
Read More...500 Internal Server Error in NGINX: PHP-FPM and Internal Causes
by Danila Vershinin, January 25, 2024
Understanding the 500 Internal Server Error in NGINX. Essential read for anyone looking to tackle 500 internal server errors emitted by NGINX.
Read More...Optimize NGINX for High-Performance PHP Websites
by Danila Vershinin, December 19, 2023
How to tune NGINX for high-performance PHP websites. In this post, I am going to give you tips on efficient tuning of PHP-FPM pool directives
Read More...Recommended Web Hosting
