1.在/usr/local下创建mysql目录

cd /usr/local

mkdir /mysql

2.在mysql目录中下载

cd mysql/
wget https://cdn.mysql.com/archives/mysql-8.0/mysql-8.0.34-1.el9.x86_64.rpm-bundle.tar
 

3.解压
tar xvf mysql-8.0.34-1.el9.x86_64.rpm-bundle.tar

4.安装
dnf localinstall mysql-community-server-8.0.34-1.el9.x86_64.rpm mysql-community-client-8.0.34-1.el9.x86_64.rpm mysql-community-common-8.0.34-1.el9.x86_64.rpm mysql-community-icu-data-files-8.0.34-1.el9.x86_64.rpm mysql-community-client-plugins-8.0.34-1.el9.x86_64.rpm mysql-community-libs-8.0.34-1.el9.x86_64.rpm
 

5.启动服务   
systemctl start mysqld
 

6.检查启动状况
systemctl status mysqld
 

7.获取初始登录密码，并复制
grep password /var/log/mysqld.log

8.登录mysql
mysql -uroot -p
.....初始密码.....
 

9.修改登录密码
ALTER USER 'root'@'localhost' IDENTIFIED BY 'Openlab123!';

ctrl + D:退出mysql