1，下載并安裝MySQL官方的 Yum Repository

? wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

2，直接yum安裝

? yum -y install mysql57-community-release-el7-10.noarch.rpm

3，安裝MySQL服務器

? yum -y install mysql-community-server

4，啟動MySQL服務

? systemctl start? mysqld.service

5，查看MySql狀態(tài)

? systemctl status mysqld.service

6，查看MySql初始密碼

? grep "password" /var/log/mysqld.log

7，使用root用戶進入Mysql

? mysql -u root -p

8，個性密碼策略

? set global validate_password_policy=0;? #密碼強度策略設為最低

? set global validate_password_length=6;? #密碼允許最小長度為6

9，設置密碼

? ALTER USER 'root'@'localhost' IDENTIFIED BY 'new password';

10，更新授權

? flush privileges;

11，開啟遠程訪問

? grant all privileges on *.* to 'root'@'%' identified by 'password' with grant option;

12，完成

? exit;