Centos7 安装mysql

wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

yum -y install mysql57-community-release-el7-10.noarch.rpm

yum -y install mysql-community-server

systemctl start  mysqld.service

#初始密码

grep "password" /var/log/mysqld.log 

mysql -uroot -p 

ALTER USER 'root'@'localhost' IDENTIFIED BY 'new password';