nginx

nginx 502 Bad Gateway

1.0 502 Bad Gateway

nginx 502 Bad Gateway

After the update of Linux on the web server, the website would not open in the browser. Instead the following error was displayed.

502 Bad Gateway
nginx/1.14.0

2.0 Solution

First we check the nginx server.

$ systemctl status nginx
● nginx.service
Read more

nginx 502 Bad Gateway Error

PROBLEM

A routine software update on the server running nginx was done. After that the website stopped opening in the browser window and 502 Bad Gateway error along with the nginx version number was displayed. Looking in the log file showed an entry like,

2014/06/26 11:09:53 [crit] 2539#0: *15 connect() to unix:/tmp/php-fpm.sock
Read more

Nginx installation and configuration

The configuration is nginx HTTP server, PHP FastCGI Process Manager (PHP-FPM), and the Alternative PHP Cache (APC).

Installation

The first step is to download the nginx software from the Nginx website. If using the Ubuntu distribution, following are the steps,

(i) Download the nginx signing keys from the Nginx website,

$ wget http://nginx.org/keys/nginx_signing.key… Read more