[软件安装]MYSQL

https://dev.mysql.com/downloads/repo/yum/

wget https://repo.mysql.com//mysql57-community-release-el7-11.noarch.rpm
rpm -ivh mysql57-community-release-el7-11.noarch.rpm
yum -y install mysql-community-server

#配置文件位置
vi /etc/my.cnf

systemctl start mysqld.service
systemctl enable mysqld.service

# 查看root默认密码
grep 'temporary password' /var/log/mysqld.log