CentOS7安装MySQL8.0

下载对应的rpm包：https://dev.mysql.com/downloads/repo/yum/

安装mysql源：yum localinstall mysql80-community-release-el7-2.noarch.rpm

检查 mysql 源是否安装成功：yum repolist enabled | grep?"mysql.*-community.*"

安装mysql：yum install -y mysql-community-server

检查mysql状态：systemctl status mysqld

systemctl daemon-reload

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

使用默认密码登陆mysql：mysql -u root -p

修改root密码：ALTER USER 'root'@'localhost' IDENTIFIED BY '123456aB_';

flush privileges;