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
You can't specify down to 'file' level, just 'directory' level. So if you want that user only to access specific 'file(s)', then you would put them into a specific directory and lock the user to that directory as 'home', then if you wanted to limit the user to read-only, you would have to chmod the file to readonly for user, group, other.
None of this can be done via the GUI control panel, has to be done by SSH root login to a command shell prompt.