1、本次实验是在centos7.4 64位操作系统上进行的
2、预先安装好epel-release源
3、查找可用安装的keepalived源yum search keepalived
4、实验yum install keepalived -y命令进行安装
5、启动keepalived服务systemctl start keepalived
6、使用yum安装的会有一个默认配置文件模板路径为/etc/keepalived/keepalive蟠校盯昂d.conf可以根据实际情况修改，修改完成之后需要重启keepalived服务
