NGINX 502 Bad Gateway: Every Cause and Fix (Complete Guide)
by Danila Vershinin, January 24, 2026
Learn how to fix NGINX 502 Bad Gateway errors. This comprehensive guide covers every cause including PHP-FPM issues, socket permissions, buffer problems, and more with tested solutions.
Read More...504 Gateway Timeout NGINX: How to Fix It
by Danila Vershinin, January 22, 2026
Stop copy-pasting timeout fixes. Learn which NGINX directive actually causes 504 errors and how to fix it properly—whether you’re proxying to Varnish, Node.js, PHP-FPM, or any HTTP backend.
Read More...How to Serve Localized NGINX Error Pages Based on Browser Language
by Danila Vershinin, January 20, 2026
Learn how to configure NGINX to serve localized 404 and 500 error pages based on the Accept-Language header. Complete guide with two methods: using the map directive and the accept-language module. Includes tested configurations for Rocky Linux 9 and AlmaLinux 10.
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.
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