centos7 yum 安装 mysql5.7
1、安装yum源
yum -y install http://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
2、安装mysql
yum install mysql-community-server -y
3、启动服务
systemctl start mysqld.service
4、查看状态
systemctl status mysqld.service
5、初始化mysql密码
grep "password" /var/log/mysqld.log
mysql -uroot -p