1.安装MySQL8.0资源库

yum localinstall https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm

2.安装MySQL8.0

yum -y install mysql-community-server --nogpgcheck
.

yum -y install mysql-community-server --nogpgcheck

3.启动MySQL并配置开机自启

systemctl start mysqld
systemctl enable mysqld

4.查看密码

grep 'temporary password' /var/log/mysqld.log

5.登录数据库修改密码规则

需要先改一个密码：

查看版本：

6.允许root远程登录：

update mysql.user set host='%' where user="root";
flush privileges;

6.尝试在本地进行连接：