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wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
yum -y localinstall mysql57-community-release-el7-11.noarch.rpm
yum -y install mysql-community-server
systemctl start mysqld
systemctl enable mysqld
systemctl daemon-reload