Nginx
- VPS Optimization & Tuning
How to Calculate PHP-FPM pm.max_children Correctly (Step-by-Step)
If your VPS logs show “server reached pm.max_children setting”, this tutorial will show you how to calculate the correct value…
Read More » - VPS Setup
Essential Linux Folder Structure for Web Hosting on a VPS
If you are new to VPS hosting, Linux directories can feel confusing at first. This guide explains the essential Linux…
Read More » - VPS Setup
Virtualmin vs LEMP: Which Setup Should You Choose?
When setting up a VPS, one of the first choices you must make is how you want to manage it.…
Read More » - VPS Optimization & Tuning
How to Check MySQL Bottlenecks on Ubuntu (Slow Query Guide)
A slow MySQL server can bring down the performance of your entire website, especially if you’re running WordPress or WooCommerce…
Read More » - VPS Optimization & Tuning
How to Add or Increase Swap Space on Ubuntu (24.04/22.04 Guide)
If your VPS is running out of memory, adding or increasing swap space can instantly improve stability. Swap helps your…
Read More » - VPS Troubleshooting
Fix 504 Gateway Timeout on Nginx (PHP-FPM Ubuntu/Virtualmin Guide)
A 504 Gateway Timeout error on Nginx usually means your server took too long to respond. This often happens when…
Read More » - VPS Troubleshooting
Fix 502 Bad Gateway on Nginx (PHP-FPM Ubuntu/Virtualmin Guide)
Seeing a 502 Bad Gateway error on Nginx can be frustrating, especially when your WordPress site suddenly stops responding. This…
Read More » - VPS Troubleshooting
Fix 413 Request Entity Too Large on Nginx (Ubuntu/Virtualmin Guide)
If you run WordPress on an unmanaged VPS with Nginx, you may see the “413 Request Entity Too Large” error…
Read More » - Virtualmin
Install Composer with Virtualmin & Nginx on
Ubuntu 20.04
Composer is a dependency management tool for PHP. We at vpsfix.com often come across it when building servers for our…
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