Centos7安装Mysql 5.7

一、获取mysql安装包二、安装软件包三、启动mysql服务四、查看mysql初始密码五、使用初始密码登录mysql六、修改密码

wget https://dev.mysql.com/get/mysql57-community-release-el7-5.noarch.rpm
rpm -ivh mysql57-community-release-el7-5.noarch.rpm

yum install -y mysql-community-server

systemctl start mysqld

可使用systemctl status mysqld查看mysql服务是否启动成功

cat /var/log/mysqld.log | grep password

mysql -uroot -p'初始密码'

set global validate_password_length=1;    #使密码可设置为1位或以上
set global validate_password_policy=0;    #降低密码复杂度
update user set Password=password("123456") where User='root';
#把密码设置为123456