Running multiple PHP-FPM versions (e.g., PHP 8.2 and PHP 8.4) on an Ubuntu server with at least 16 CPUs and 60GB RAM should ideally provide smooth performance. However, if your server is experiencing high load, it’s crucial to identify the root cause and optimize your setup. In this guide, we’ll explore common issues that lead to high server load when running multiple PHP-FPM versions and provide practical solutions to resolve them. Why Is Your Server Under High Load? When running multiple PHP-FPM versions, several factors can contribute to high CPU or memory usage: Let’s dive into each issue and explore…
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Learn everything about the HTTP 302 status code (Temporary Redirect). Understand its meaning, use cases, SEO impact, examples in Apache, Nginx, PHP, and how to avoid open redirect vulnerabilities. The HTTP 302 status code is one of the most commonly encountered response codes in web development and server administration. It indicates that the requested resource has been temporarily moved to a different URI (Uniform Resource Identifier). In simpler terms, it tells the browser or client: “The page you’re looking for is somewhere else – for now.” What Is HTTP 302? HTTP 302, also known as “Found” or “Temporary Redirect”, is…
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Learn how to fix the “No ‘Access-Control-Allow-Origin’ header” CORS error in JavaScript by configuring CORS headers in Nginx, Apache, or Node.js. Web developers often encounter the dreaded CORS error while integrating APIs, scripts, or external resources across domains. A typical message looks like this: This error is one of the most common issues when working with web security and cross-domain communication. In this article, we’ll explore what causes this error, why browsers enforce it, and how to fix it properly across different server environments. What Is a CORS Error? CORS stands for Cross-Origin Resource Sharing. It’s a browser security mechanism…