Enable Keepalive in Nginx Reverse Proxy

ByPieter Bakker

In the Nginx Reverse Proxy context, keepalive connections are a critical performance optimization technique that allows multiple HTTP requests to be transmitted over a single TCP connection, dramatically reducing connection overhead and improving overall system performance. The Performance Challenge Traditional HTTP connections require a complete handshake for each request: This process introduces significant latency and…

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WordPress Upload Guide: Nginx & PHP-FPM Optimization

ByPieter Bakker

If you’re a WordPress user hosting your site on an Nginx server with PHP-FPM, you may encounter issues when uploading large files or migrating your site using popular plugins like UpdraftPlus or WPvivid. This guide will help you configure your server to handle large file uploads smoothly, ensuring a hassle-free experience when managing your WordPress…

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How to set up Nginx FastCGI Page Cache with WordPress.

ByPieter Bakker

Nginx FastCGI cache is a feature of the Nginx web server that enables the caching of dynamic content generated by FastCGI applications such as PHP. By caching the dynamic content, Nginx can serve the content directly to visitors as a static page so that the same dynamic request does not have to be processed repeatedly,…

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How to solve “page cache is not detected but the server response time is ok” in WordPress Site Health.

ByPieter Bakker

If you don’t use any of the popular caching plugins (e.g. WP-Rocket, W3 Total Cache, WP Super Cache…), but instead deploy Nginx FastCGI cache for (server side) Full Page Caching, you will probably see the message “page cache is not detected but the server response time is ok” when you run the “Site Health” checker…

Nginx: [warn] protocol options redefined

ByPieter Bakker

If you get an error message “nginx: [warn] protocol options redefined” after upgrading Nginx to the latest stable version 1.24, you can easily fix it by adding “http2” to the 443 “Listen” directive in the default.conf file. vi /etc/nginx/conf.d/default.conf server { listen 80 default_server; listen [::]:80 default_server; listen 443 default_server http2 ssl; listen [::]:443 default_server…

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Generate SSL certificates with acme.sh on Nginx.

ByPieter Bakker

In this article, we will see how to install and configure “acme.sh” to generate SSL certificates for domains and how to implement it with Nginx to secure the connection to corresponding websites hosted on our web server via “HTTPS”. To optimize the security of connections to the web server and comply with all applicable guidelines,…

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Host Multiple Domains with Nginx on Ubuntu 22.04.

ByPieter Bakker

In a previous article, we showed you how to set up a full LEMP stack on Ubuntu 22.04 with the latest stable version of Nginx, MariaDB and PHP, which will serve as the foundation for a reliable and performance-focused hosting platform. Nginx is a fast, lightweight and powerful web server that can also be used…

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How to install a LEMP stack on Ubuntu 22.04.

ByPieter Bakker

If you’re looking to host your own open source applications, setting up a LEMP (Linux, Nginx, MySQL/MariaDB, PHP) web stack is one of the best choices out there, if not the best. With the latest versions of Nginx, MariaDB, and PHP 8.2, you’ll have a fast and reliable platform for running a wide range of…