Unable to start Nginx on Plesk server: [emerg] open() "/etc/nginx/nginx.conf" failed (2: No such file or directory)

Symptoms

• Unable to start Nginx server with the following error message:

  ERR [panel] nginx: [emerg] open() "/etc/nginx/nginx.conf" failed (2: No such file or directory)

• The /etc/nginx/ directory is missing on the server:

  # ls -l /etc/nginx/
  ls: cannot access '/etc/nginx': No such file or directory

• In Plesk Installer Nginx service is shown as installed:
  

Cause

The Nginx server was incorrectly manually removed from the server.

Resolution

1. Re-install Nginx web server component.

2. Log into the server via SSH.

3. Execute the commands below one by one to re-configure Nginx configuration

   # plesk sbin nginxmng -d

   # plesk sbin nginxmng -e