1、安装 yum install mysql mysql-server 2、启动 com.a3fun.rocket.service mysqld start 3、登录 mysql -uroot -p 4、改密码 set password for root@localhost=password('your_password') 5、查看密码 select user,host,password from mysql.user 备注: 更改数据库编码参考: SET character_set_client = utf8 ;