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# Set Up a MySQL Database on Linux

To use Media Server with a MySQL database, you must install a MySQL server and ODBC driver, and configure Media Server to connect to the database through the driver.

The procedure describes how to set up a MySQL database on a CentOS 6 distribution.

To set up a MySQL Media Server database on Linux

1. Install a MySQL server. (Ensure that the package includes the mysql command-line tool.) For instructions, refer to the MySQL documentation on www.mysql.com.

2. Configure the database server for use with Media Server:

   1. Open the configuration or options file for the MySQL server (usually named `my.ini`).
   2. So that Media Server can send large amounts of binary data (images) to the database, set the configuration parameter `max_allowed_packet=1073741824`.
   3. Save and close the configuration file.

3. Add the MySQL bin directory path to the `PATH` environmental variable by running the command:

       export PATH=$PATH:binDirectoryPath

   NOTE:

   This step enables you to use the command `mysql` to start the mysql command-line tool from the terminal. If the directory path is not added to the `PATH` variable, you must specify the mysql.exe file path in the terminal to start mysql.

4. Start the mysql command-line tool. In the terminal, run the command:

       mysql

5. Run a `CREATE DATABASE` command to create a new database. Specify the following database settings.

   Database name | Any name.
   Character set | Must be Unicode–either UTF8 or UCS2.
   Collation | Any that is compatible with the encoding.

   For example:

       CREATE DATABASE myDatabase CHARACTER SET utf8 COLLATE utf8_unicode_ci;

6. Run the my.sql script provided in the Media Server installation directory. This script sets up the database schema that Media Server requires.

   1. Close the mysql command-line tool:

          quit

   2. In the terminal, run the command:

          mysql -u userName -p -v -D databaseName -e "source path/my.sql"

      where,

      `userName` | is the MySQL user name.
      `databaseName` | is the name of the database you created in Step 3.
      `path` | is the script file path.

      NOTE:

      Running the script non-interactively from the terminal ensures that the script terminates if an error occurs.

7. Grant privileges to the user that Media Server will connect to the MySQL server as. Required privileges are:

   Database | Create Temporary Tables
   All tables | Select, Insert, Update, Delete
   All functions and stored procedures | Execute

   If security is not a consideration, grant all privileges.

   1. Start the mysql command-line tool:

          mysql

   2. Run the `GRANT` commands:

          GRANT CREATE TEMPORARY TABLES ON databaseName.* TO userName;
          GRANT SELECT, INSERT, UPDATE, DELETE ON databaseName.* TO username;
          GRANT EXECUTE ON databaseName.* TO username;

      where,

      `databaseName` | is the name of the database you created in Step 2.
      `userName` | is the user name that Media Server will connect as.

   3. Close the mysql command-line tool:

          quit

8. Install unixODBC driver manager version 2.2.14 or later. If you have the relevant Yum repository, you can run the command in the terminal:

       sudo yum install unixODBC

9. Install the MySQL driver. If you have the relevant Yum repository, you can run the command in the terminal:

       sudo yum install mysql-connector-odbc

10. Configure the data source.

    1. Open the `odbc.ini` file with a text editor. This file is usually stored in the `/etc` directory.

    2. Add the data source name in square brackets. The name can be any string. For example:

           [MySQL_1]

    3. Under the data source name, set the following parameters.

       Parameter | Description
       --- | ---
       `Driver` | The driver to use.
       `Server` | The IP address or hostname of the server that the database server is installed on.
       `Port` | The port to use to communicate with the database server.
       `User` | The user name to connect to the database server with.
       `Password` | The password for the user account that connects to the database server.
       `Database` | The name of the database that you created in Step 3.

       For example:

           [MySQL_1]
           Driver=MySQL
           Server=localhost
           Port=5432
           User=mysql
           Password=password
           Database=myDatabase

       NOTE:

       You can set other parameters in this file, but these have not been tested with Media Server.

    4. Save and close the file.

11. Configure the ODBC driver.

    1. Open the odbcinst.ini file with a text editor. This file is usually stored in the `/etc` directory.

    2. If not already present, add the database server name in square brackets. For example:

           [MySQL]

    1. Set the following parameters.

       Parameter | Description
       --- | ---
       Description | A description of the driver instance.
       Driver64 | The location of the MySQL driver library file.
       Setup64 | The location of the driver installer file.
       FileUsage | Set this parameter to `1`.

       For example:

           [MySQL]
           Description=ODBC for MySQL
           Driver64=/usr/lib64/libmyodbc5.so
           Setup64=/usr/lib64/libodbcmyS.so
           FileUsage=1

       NOTE:

       You can set other parameters in this file, but these have not been tested with Media Server.

    2. Save and close the file.
12. You can now configure Media Server to connect to the database (see Configure Media Server).

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