1.下载Mysql仓库文件包并安装
wget http://repo.mysql.com/yum/mysql-5.7-community/el/7/x86_64/mysql57-community-release-el7-10.noarch.rpm
rpm -ivh mysql57-community-release-el7-10.noarch.rpm
2.下载安装Mysql
yum install -y mysql-server
3.启动Mysql并设置开机自启动
systemctl start mysqld
systemctl enable mysqld
4.查询原始密码
grep -i "pass" /var/log/mysqld.log