mysql查看正在使用配置文件路径 my.cnf

#查看mysql命令的路径

root@msc3:~# which mysqld

/usr/sbin/mysqld

#执行下边命令找到my.cnf

root@msc3:~# /usr/sbin/mysqld --verbose --help |grep -A 1 'Default options'

Default options are read from the following files in the given order:

/etc/my.cnf /etc/mysql/my.cnf ~/.my.cnf