6、查看MySQL的root账号初始密码 /var/log/mysqld.log grep "password" /var/log/mysqld.log 7、使用初始密码登陆MYSQL mysql -u'root' -p'twHyiDrRO7>s' 8、修改密码 alter user 'root'@'localhost' Identified by '1234.Com'; 9、创建数据库 mysql> create database TestDB;