步骤一：首先下载mysql的yum源配置

 1 |  wget http://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

步骤二：安装mysql的yum源

1 |  yum -y install mysql57-community-release-el7-11.noarch.rpm

步骤三：yum方式安装mysql

1 | yum -y install mysql-server --nogpgcheck

步骤四：使用mysql

1 | systemctl start mysqld.service
2 | systemctl status mysql.service
 

cat /var/log/mysqld.log| grep password

步骤五:   进入命令行mysql

步骤六： 修改数据库密码

ALTER USER USER() IDENTIFIED BY '123456@Aa';
 

grant all privileges on *.* to 'root'@'%' identified by '123456A@a' with grant option;

flush privileges;