安装环境
[root@node1 ~]# cat /etc/redhat-release CentOS Linux release 7.1.1503 (Core)
[root@node1 ~]# cat /proc/version Linux version 3.10.0-229.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.2 20140120 (Red Hat 4.8.2-16) (GCC) ) #1 SMP Fri Mar 6 11:36:42 UTC 2015
主机IP
10.0.0.20 MASTER 10.0.0.21 BACKUP
安装
[root@node1 ~]# yum -y install keepalived
查看版本
[root@node1 ~]# keepalived -v
配置 10.0.0.20 MASTER
原文：http://www.cnblogs.com/wanglan/p/7493264.html