If the MAC fails to connect with MySQL, it will start and report an error

Preface

mac Installed mysql The link doesn't go up , Start directly and report an error
ERROR! The server quit without updating PID file (/usr/local/mysql/data/bogon.pid)

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• The start command is as follows ：

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

error message

[email protected] ~ % sudo /usr/local/mysql/support-files/mysql.server start
Starting MySQL
. ERROR! The server quit without updating PID file (/usr/local/mysql/data/bogon.pid).

Found installed MySQL

First execute the following command to try , Modify the permission problem ：

chmod -R 755 /usr/local/mysql/data