How to fix "413 Request Entity Too Large" in Nginx

1. Edit the "http" block: ( Will apply settings globally )

Create a new file in the conf.d directory for Nginx.

touch /etc/nginx/conf.d/maxuploadsize.conf

2. Edit the new file: "/etc/nginx/conf.d/maxuploadsize.conf" to add below syntax to set 500m limit:

client_max_body_size 500m;

3. Restart Nginx and FPM.

/scripts/restartsrv_nginx
/scripts/restartsrv_apache_php_fpm