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Keepalived是一种防止单点故障的高可用解决方案。
首先下载:
cd /usr
wget http://www.keepalived.org/software/keepalived-1.2.7.tar.gz
解压:
tar zxvf keepalived-1.2.7.tar.gz
编译之前需要安装几个程序库
apt-get install libssl-devapt-get install opensslapt-get install libpopt-dev
./configure --prefix=/usr
得到如下结果:
Keepalived configuration------------------------Keepalived version : 1.2.7Compiler : gccCompiler flags : -g -O2Extra Lib : -lpopt -lssl -lcrypto Use IPVS Framework : YesIPVS sync daemon support : YesIPVS use libnl : NoUse VRRP Framework : YesUse VRRP VMAC : YesSNMP support : NoUse Debug flags : No
编译吧:
make
make install
程序安装到下面几个目录:
/usr/sbin中包含可执行程序keepalived
/usr/etc/keepalived/ 中包含了配置文件和例子
/usr/etc/rc.d/init.d/keepalived 是可以作为service的脚本文件,复制到/etc/init.d目录下
修改三处:
#. /etc/rc.d/init.d/functions. /lib/lsb/init-functions
#. /etc/sysconfig/keepalived. /usr/etc/sysconfig/keepalived
因为redhat之外的Linux没有上面两处目录。
下面也要修改,将${..} 直接用start替换。
start() { echo -n $"Starting $prog: " #daemon keepalived ${KEEPALIVED_OPTIONS} daemon keepalived start RETVAL=$? echo [ $RETVAL -eq 0 ] && touch /var/lock/subsys/$prog}
还要创建目录
mkdir -p /var/lock/subsys
update-rc.d keepalived default
安装daemon服务。
apt-get install daemon
service keepalived start
关闭用
service keepalived stop