linux安装mysql5.7

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 --nogpgcheck

systemctl start  mysqld.service

systemctl status mysqld.service

grep "password" /var/log/mysqld.log

mysql -uroot -p
ALTER USER 'root'@'localhost' IDENTIFIED BY 'new password';
-- 查看密码策略
show variables like '%password%';

grant all privileges on *.* to 'root'@'localhost' identified by 'password' with grant option;
flush privileges; 
exit;