It was mysql_install_db, and this is changed to mariadb-install-db.
likewise changed all of the support-files references to
mysql_install_db.
This install script is part of the service as a useful instigation
step, and a no-op in subseqeuent runs.
This script does however change the auth_pam_tool_dir ownership.
When running a multi-instance based on username, changing the
auth_pam_tool_dir will only cause troubles for the other users.
If you are running multiple instances on username is seems you
are unlikely do be having pam access for all users. Even
if you where the solution on auth_pam_tool_dir would be a group
permission and group access based on the users.
As such skip the changing of ownership.
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