linux 下配置PHP mysql时，在启动/usr/local/mysql/bin/mysqld_safe &报错Operating system error number 13 in a file operation.解决方案

linux 下配置PHP mysql时，在启动/usr/local/mysql/bin/mysqld_safe &。。。报错Operating system error number 13 in a file operation.
linux 下配置PHP mysql时，在启动/usr/local/mysql/bin/mysqld_safe &。。。报错Operating system error number 13 in a file operation.

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MySQL数据库所在目录的权限可能不够，你改一下它，改成0777试一下