Centos7 安装keepalived实现高可用

场景：尝试安装keepalived实现高可用，进而在suse环境中部署。

测试过程需要配合Nginx的相关知识：Centos7 Nginx安装

问题

!!! OpenSSL is not properly installed on your system. !!!

!!! Can not include OpenSSL headers files.

解决方法：

yum -y install openssl-devel