1、rpm包安装方法
① sudo yum localinstall mysql84-community-release-{platform}-{version-number}.noarch.rpm
② yum repolist enabled | grep mysql.*-community
③ sudo yum-config-manager --disable mysql-8.4-lts-community
sudo yum-config-manager --enable mysql80-community
或者 sudo dnf config-manager --disable mysql-8.4-lts-community
sudo dnf config-manager --enable mysql80-community
④ sudo yum module disable mysql
⑤ sudo yum install mysql-community-server
⑥ systemctl start mysqld
⑦ systemctl status mysqld
⑧ 查看初始密码
sudo grep ‘temporary password’ /var/log/mysqld.log
⑨ mysql -uroot -p
⑩ mysql> ALTER USER ‘root’@‘localhost’ IDENTIFIED BY ‘MyNewPass4!’;