解壓以及編譯
tar xzf keepalived-1.2.7.tar.gz
./configure --prefix=/opt/keepalived make && make install
配置keepalived
建立keepalived配置檔案keepalived.conf（只有虛擬ip功能，其他功能，例如監控服務、傳送郵件等功能由其他指令碼完成）
ps：網絡卡必須是內網網絡卡
主機配置
! 主機配置
vrrp_instance vi_1
virtual_ipaddress
}備機配置
! 備機配置
vrrp_instance vi_1
virtual_ipaddress
}啟動keepalived
將keepalived設定成為服務式啟動及停止
#!/bin/bash
my_root=$(cd "$(dirname "$0")"; pwd)
ln -s $my_root/sbin/keepalived /usr/sbin/keepalived
ln -s $my_root/etc/sysconfig/keepalived /etc/sysconfig/keepalived
ln -s $my_root/etc/rc.d/init.d/keepalived /etc/init.d/keepalived
mkdir /etc/keepalived
ln -s $my_root/keepalived.conf /etc/keepalived/keepalived.conf
啟動keepalived
/etc/init.d/keepalived start
可以tail系統日誌/var/log/messages來檢視服務啟動狀態
keepalived 的詳細介紹：請點這裡
：請點這裡
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