mac配置修改mysql的密码
1）sudo mate ~/.bash_profile文件里添加mysql的path
export PATH=/usr/local/mysql/bin:$PATH
2）$source ~/.bash_profile
3）修改mysql密码
$mysqladmin -u root password
4）登录mysql
$mysql -u root -p
5）启动/停止开机启动中的mysql服务：
$sudo /Library/StartupItems/MySQL/MySQL start/stop
