1、安装教程
https://www.cnblogs.com/wuxinchun/p/15194008.html
2、centos yum安装mysql出现Public key for mysql-community-server-5.7.37-1.el7.x86_64.rpm is not installed
https://blog.csdn.net/searlas/article/details/123393829
3、Your password does not satisfy the current policy requirements
https://blog.csdn.net/zhanaolu4821/article/details/93622812
