注意，本地开发机为了方便，端口全开

下载repo

打开http://dev.MysqL.com/downloads/repo/ 
从这里下载对应的版本。

安装repo

sudo yum localinstall MysqL57-community-release-el7-11.noarch.rpm

安装MysqL-server

sudo yum install MysqL-server

启动MysqLd

sudo service MysqLd start

安装以后MysqL5.7会有一个默认的密码

我们通过这个语句获取到

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

登录MysqL

首先需要用设置密码

set password = password('keep');

会提示信息
Your password does not satisfy the current policy requirements

然后我们需要设置一下密码验证策略，详细设置教程可以搜索上面的语句，我这里仅仅是本机，直接设置为最短

set global validate_password_policy=0;

set global validate_password_length=1;

set password = password('keep');

设置远程登录

set global validate_password_policy=0;

set global validate_password_length=1;

GRANT ALL ON *.* TO root@'%' IDENTIFIED BY 'keep' WITH GRANT OPTION;

GRANT ALL ON *.* TO root@'localhost' IDENTIFIED BY 'keep' WITH GRANT OPTION;

flush privileges;

设置bin-log

vim /etc/my.cnf

把log_bin前面的#去掉，再添加一个唯一的server-id
log_bin
server-id=888168

关闭防火墙

systemctl stop firewalld.service
firewall-cmd --state