centos6配置本地yum，通过yum安装keepalived

上传系统镜像到/iso
创建目录
mkdir /media/cdrom
挂载镜像文件到刚创建的目录
mount -o loop /iso/CentOS-6.6-x86_64-bin-DVD1.iso /media/cdrom
yum通过本地源安装keepalived
yum --disablerepo=* --enablerepo=c6-media install -y keepalived
启动 keepalived
/etc/init.d/keepalived start
将keepalived加入到自启列表并设置为启动
chkconfig --add keepalived
chkconfig keepalived on

配置keepalived文件
vi /etc/keepalived/keepalived.conf
（i进入编辑模式，esc退出，：回到末行，wq保存退出）
主机配置文件：

! Configuration File for keepalived

global_defs {
notification_email {br/>[email protected]
[email protected]br/>[email protected]
}
notification_email_from [email protected]
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}

vrrp_instance VI_1 {
state MASTER
interface em1
virtual_router_id 51
priority 100
advert_int 1
}
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
172.17.17.130/24
}

备机配置文件：
! Configuration File for keepalived

global_defs {
notification_email {br/>[email protected]
[email protected]br/>[email protected]
}
notification_email_from [email protected]
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}

vrrp_instance VI_1 {
state BACKUP
interface em1
virtual_router_id 51
priority 95
advert_int 1
}

authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
172.17.17.130/24
}
}