1.0 502 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
First we check the nginx server.
$ systemctl status nginx ● nginx.service - A high performance web server and a reverse proxy server Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled) Active: active (running) since Thu 2019-03-21 15:16:47 UTC; 16h ago Docs: man:nginx(8) Main PID: 1354 (nginx) Tasks: 8 (limit: 1158) CGroup: /system.slice/nginx.service ├─1354 nginx: master process /usr/sbin/nginx -g daemon on; master_process on; └─1355 nginx: worker process Warning: Journal has been rotated since unit was started.… Read more