1、Download MySQL Yum Repository
https://dev.mysql.com/downloads/repo/yum/
wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
2、Adding the MySQL Yum Repository
yum install -y mysql57-community-release-el7-11.noarch.rpm
or rpm -Uvh mysql57-community-release-el7-11.noarch.rpm
3、Selecting a Release Series
the latest GA release of MySQL is selected for installation by default mysql57-community
yum repolist enabled | grep mysql
enable the subrepository for the specific series（mysql56-community）
yum-config-manager --disable mysql57-community
yum-config-manager --enable mysql56-community
OR change enabled=1 option of repo file
4、Installing MySQL
yum install -y mysql-community-server
5、Starting the MySQL Server
systemctl start mysqld
6、find&change mysql passwd
grep 'temporary password' /var/log/mysqld.log
mysql -uroot -p
ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass4!';
7、mysql-yum-repo-quick-guide
https://dev.mysql.com/doc/mysql-yum-repo-quick-guide/en/