Plesk Obsidian shows the following error after installation: failed to create file via template '/etc/nginx/plesk.conf.d/server.conf.XXXXXX

Symptoms

• After installing Plesk Obsidian the following error is shown in UI:

  PLESK_ERROR: Unable to configure the web server: Execution failed. Template_Exception: mkdir: cannot create directory '/etc/nginx/plesk.conf.d': No such file or directory mktemp: failed to create file via template '/etc/nginx/plesk.conf.d/server.conf.XXXXXX'

• nginx was installed before Plesk, most likely from nginx.org.

Cause

Plesk will fail to generate configuration files if Nginx was installed before Plesk.

This has been reported as bug ID PPPM-11215 which will be fixed in future updates.

Resolution

1. Connect to the server via SSH.

2. Reinstall Plesk nginx package:

   # dpkg --force-confmiss -i /var/cache/apt/archives/sw-nginx*

3. Disable/enable Nginx to rebuild configuration files:

   # plesk sbin nginxmng -d
   # plesk sbin nginxmng -e