CentOS 可以下载Red Hat Enterprise Linux / Oracle Linux版本的
5.7 32位 https://cdn.mysql.com//Downloads/MySQL-5.6/MySQL-devel-5.6.47-1.el6.i686.rpm
https://cdn.mysql.com//Downloads/MySQL-5.6/MySQL-client-5.6.47-1.el6.i686.rpm
https://cdn.mysql.com//Downloads/MySQL-5.6/MySQL-server-5.6.47-1.el6.i686.rpm