Linux centos7 安装 keepalived-2.0.6

1.下载(版本：2.0.6)

　　cd /home/install/

　　wget http://124.205.69.170/files/1255000006EF2AA1/www.keepalived.org/software/keepalived-2.0.6.tar.gz

2.解压

　　tar -zxvf keepalived-2.0.6.tar.gz -C /usr/local/

3.编译安装

　　1）进入安装目录

　　cd /usr/local/keepalived-2.0.6/

　　2）安装

　　./configure --prefix=/usr/local/keepalived

　　如果提示　　*** WARNING - this build will not support IPVS with IPv6. Please install libnl/libnl-3 dev libraries to support IPv6 with IPVS.

　　yum -y install libnl libnl-devel

　　如果提示　　configure: error: libnfnetlink headers missing

　　yum install -y libnfnetlink-devel

　　再执行　　./configure --prefix=/usr/local/keepalived

　　无错误提示进行下步

　　make && make install

　　查看是否安装成功

4.配置开机启动服务

　　mkdir /etc/keepalived

　　cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf#keepalived默认执行/etc/keepalived/keepalived.conf

　　cp /usr/local/keepalived-2.0.6/keepalived/etc/init.d/keepalived /etc/rc.d/init.d/keepalived

　　cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/keepalived

　　cd /usr/lib/systemd/system/#编译安装成功后，会自动在该路径下生成keepalived.service文件

　　启动

　　systemctl start keepalived

　　状态(dead不要慌，下面的keepalived.conf配置正确就好了)

　　systemctl status keepalived

　　停止

　　systemctl stop keepalived

　　重启

　　systemctl restart keepalived

　　开机启动

　　systemctl enable keepalived.service

　　查看是否开机启动

　　systemctl is-enabled keepalived.service

5.虚拟IP测试

　　vim /etc/keepalived/keepalived.conf

　谨记：该配置慎用空格，可以使用TAB或回车排版，空格会被识别为赋值,导致keepalived运行失败

　　替换为如下内容　

! Configuration File for keepalived

vrrp_instance VI_1 {
	state MASTER#两个值（主：MASTER　　备：BACKUP），必须大写
	interface ens33#网卡接口，ip a查看，上面主备搭建教程有讲
	virtual_router_id 51#虚拟路由ID，主备或多主多备，需要全部设置一样
	priority 101#优先级，越高越优先使用该服务
	advert_int 1#多个keepalived的通讯检测间隔，单位秒
	authentication {#认证类型与密码，主备或多主多备需要设置一样
		auth_type PASS
		auth_pass 1111
　　}

	virtual_ipaddress {
		192.168.159.110#定义虚拟IP，换行可以定义多个
	}
}

重启keepalived、查看IP