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MySQL 5.5 Reference Manual  /  ...  /  Setting the Master Configuration on the Slave Setting the Master Configuration on the Slave

To set up the slave to communicate with the master for replication, you must tell the slave the necessary connection information. To do this, execute the following statement on the slave, replacing the option values with the actual values relevant to your system:

    ->     MASTER_HOST='master_host_name',
    ->     MASTER_USER='replication_user_name',
    ->     MASTER_PASSWORD='replication_password',
    ->     MASTER_LOG_FILE='recorded_log_file_name',
    ->     MASTER_LOG_POS=recorded_log_position;

Replication cannot use Unix socket files. You must be able to connect to the master MySQL server using TCP/IP.

The CHANGE MASTER TO statement has other options as well. For example, it is possible to set up secure replication using SSL. For a full list of options, and information about the maximum permissible length for the string-valued options, see Section, “CHANGE MASTER TO Syntax”.

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User Comments
  Posted by Yulianto Sidabutar on October 23, 2011
Startup configuration on /etc/mysql/my.cnf is not work for variable:
master_user and master_password

Because mysql default user is "test" -- You must change it manually on mysql console according to the mysql command above.
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