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Problem :

Looking for the solution of the following Security error.
fatal error: please read "security" section of the manual to find out how to run mysqld as root!
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2 Answers

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Solution :

One should not execute MySQL daemon as the system user as root which do not has any restrictions.

 I guess you wanted to execute the initscript instead:

sudo /etc/init.d/mysql stop

Another way is to use the mysqladmin tool. Please note here root is the MySQL root user and not the system root user.

/usr/local/mysql/bin/mysqladmin --port=8889 -u root shutdown
If you follow above steps your issue will be resolved.
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I'm exercising OS X  and this error occured to me at the time I upgraded from Mavericks to Yosemite. It was solved by employing this command

sudo /usr/local/mysql/support-files/mysql.server start

The MySQL daemon must not be evolved as the system user root which (generally) do not has any restrictions.

According to your cli, I consider you wanted to formed the initscript instead:

sudo /etc/init.d/mysql stop

Another method would be to employ the mysqladmin tool (notify, root is the MySQL root user here, not the system root user):

/usr/local/mysql/bin/mysqladmin --port=8889 -u root shutdown

Attempt this for Amazon Linux AMI or for centOS

sudo service mysqld restart

you might attempt this in case you logged in with root:

mysqld --user=root

osx could be exercising launchctl to launch mysql. Attempt this:

sudo launchctl unload -w /Library/LaunchDaemons/com.mysql.mysqld.plist

Donal had the right solution for me. But, the updated plist name for 2017 is


There are various solutions:

1. By appending a command-user=root create mandatory root account startup.

mysqld --user=root

2. Begin mysqld with an ordinary user. This user should belong to the mysqld user group.

edit/etc/my.cnfDocument in[mysqld]Next include startup user MySQL


On startup, add—user=mysql

mysqld --user=mysql


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