How to restrict access to /var/lib/mysql or hide the database from user

Issue/Question:

• User can see all files in  /var/lib/mysql
• How to restrict access to /var/lib/mysql or hide the database from user?

Environment

Cloudlinux OS

Solution

1. Set the 751 permissions to  "/var/lib/mysql" directory
   

   # chmod 751 /var/lib/mysql

2. Remount the CageFS filesystem:
   

   # cagefsctl --remount-all