- linux mysql
yum -y install mysql-server
- 启动mysql服务并设置管理员密码
service mysqld start
/usr/bin/mysqladmin -u root password '123456'
- 打开mysql远程访问权限
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456';
flush privileges;
use mysql
delete from user where host like 'hadoop%';
delete from user where host like 'l%';
delete from user where host like '1%';
service mysqld restart
修改密码
mysqladmin -u用户名 -p旧密码 password 新密码
例如:
mysqladmin -uroot -p123456 password root