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：
