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Editorial Team
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Asked: 2026-05-26T11:41:11+00:00

I installed mySQL on my Mac. Beside starting the SQL server with mySQL.prefPane tool

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I installed mySQL on my Mac. Beside starting the SQL server with mySQL.prefPane tool installed in System Preferences, I want to know the instructions to start from command-line.
I do as follows:

After

su root

I start the mySQL server by command-line, but it produces an error as below:

sh-3.2# /usr/local/mysql/bin/mysqld

111028 16:57:43 [Warning] Setting lower_case_table_names=2 because
file system for /usr/local/mysql-5.5.17-osx10.6-x86_64/data/ is case
insensitive

111028 16:57:43 [ERROR] Fatal error: Please read "Security" section of
the manual to find out how to run mysqld as root!

111028 16:57:43 [ERROR] Aborting

111028 16:57:43 [Note] /usr/local/mysql/bin/mysqld: Shutdown complete

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1 Answer

  1. Editorial Team

    Try /usr/local/mysql/bin/mysqld_safe

    Example:

    shell> sudo /usr/local/mysql/bin/mysqld_safe
(Enter your password, if necessary)
(Press Control-Z)
shell> bg
(Press Control-D or enter "exit" to exit the shell)

    You can also add these to your bash startup scripts:

    export MYSQL_HOME=/usr/local/mysql
alias start_mysql='sudo $MYSQL_HOME/bin/mysqld_safe &'
alias stop_mysql='sudo $MYSQL_HOME/bin/mysqladmin shutdown'
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