keepalived安装实录
keepalived安装全程实录两台主机一台为主（master）63.23一台为辅（backup）63.52 virtual63.21
可以使用haproxy+keepalived作为高可用负载均衡方案
下载地址 http://www.keepalived.org/software/ XXXXX版本 http://haproxy.1wt.eu/#down
解压keepalived进入目录
#./configure
#make #make install
在执行./confugure 是出现：
http://blog.运维网.com/attachment/201112/170154963.jpg
只有一项yes ，因为keepalived没有找到内核目录导致的，解决方法是编译的时候
#./confugure --with-kenel-dir=/usr/src/kernels/2.6.18-194.el5-i686
如果没有内核请查看内核版本#uname -a 下载内核
配置keepalived
#cp /usr/local/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/
# cp /usr/local/etc/sysconfig/keepalived /etc/sysconfig/
# mkdir /etc/keepalived
# cp /usr/local/tec/keepalived/keepalived.conf /etc/keepalived/
# cp /usr/local/sbin/keepalived/usr/sbin/
为系统启动方面#vi /etc/rc.local 添加 /etc/init.d/keepalived start
在主服务器# vi /etc/keepalived/keepalived.conf 在文件这个位置修改
http://blog.运维网.com/attachment/201112/172249362.jpg
在backup机器上同上修改把优先级小于100
启动keepalived服务器 #service keepalived start 或 #/etc/init.d/keepalived start
# ip a
验证keepalived状态命令
# curlhttp:// ip地址
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