mysql_install_db initializes the MySQL data directory and creates the system tables that it contains, if they do not exist.
To invoke mysql_install_db, use the following syntax:
Because the MySQL server, mysqld, needs to
access the data directory when it runs later, you should either
run mysql_install_db from the same account
that will be used for running mysqld or run
root and use the
--user option to
indicate the user name that mysqld will run
as. It might be necessary to specify other options such as
mysql_install_db does not use the correct
locations for the installation directory or data directory. For
bin/mysql_install_db --user=mysql \
The path to the MySQL installation directory.
Cause mysql_install_db to run even if DNS does not work. In that case, grant table entries that normally use host names will use IP addresses.
The path to the MySQL data directory.
For internal use. This option is used by RPM files during the MySQL installation process.
Use IP addresses rather than host names when creating grant table entries. This option can be useful if your DNS does not work.
The login user name to use for running
mysqld. Files and directories created by
mysqld will be owned by this user. You
root to use this option. By
default, mysqld runs using your current
login name and files and directories that it creates will be
owned by you.
Verbose mode. Print more information about what the program does.
For internal use. This option is used for creating Windows distributions.