Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.
If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread: CentOS2Alma discussion
Him, I don't fully understand your question. But FTP accounts can be added only when you create Physical hosting on domain. In this case FTP user will be created for domain.
Also FTp account can be created fro subdomains. Webusers are also system users and can access to FTP.
There is not difference which IP you use: shared or not.