KeepAlive安装以及简单配置

操作系统：Centos7.3

一.依赖安装#

首先安装相关依赖：

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yum install -y gcc openssl-devel popt-devel
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yum -y install libnl libnl-devel
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yum install -y libnfnetlink-devel

基本依赖就安装完毕了，如果还缺少什么依赖在下一步编译的时候会有warning，百度去解决就好了

二.编译安装源码#

首先下载源码到指定目录:

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cd /usr/local/src
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wget http://www.keepalived.org/software/keepalived-1.3.4.tar.gz

然后解压，配置

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tar zxvf keepalived-1.3.4.tar.gz
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cd keepalived-1.3.4
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./configure --prefix=/usr/local/keepalived

之后编译

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make
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make install

注意这一步make之后可能会有warning，一般都是缺少依赖造成的，把warning关键字百度一下去yum安装对应依赖就可以了

三.修改配置文件地址#

安装完成后，keepalived的默认配置文件地址和我们安装的地址不一样，所以cp过去就可以了

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cp ../keepalived-1.3.4/keepalived/etc/init.d/keepalived /etc/init.d/
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mkdir /etc/keepalived
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cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/
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cp keepalived-1.3.4/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
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cp /usr/local/keepalived/sbin/keepalived /usr/sbin/

之后只要修改/etc/keepalived/ 目录下的keepalived.conf配置文件就可以了

使用service start keepalived启动服务

四.附keepalived简单配置文件#

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! Configuration File for keepalived
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global_defs {
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   router_id lb01 #设置本机路由id，做区分的
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}
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vrrp_instance VI_1 {
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    state MASTER #主从标记，仅做标识
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    interface eth0 #虚拟路由的网卡名
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    virtual_router_id 51 #虚拟路由路由id，想要配置在同一个虚拟ip必须要有相同id
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    priority 150 #优先级，优先级最高的自动为主机，主机宕机后按照优先级选择热备从机
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    advert_int 1 #主备通讯时间间隔
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    authentication {
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        auth_type PASS
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        auth_pass 1111
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    }
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    virtual_ipaddress {
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         172.17.0.199 #配置到哪个虚拟ip，这里我是在docker中，所以是这个docker的默认网段的一个ip，主备机这个地方ip要相同
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    }
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}

乘桴

一.依赖安装#

二.编译安装源码#

三.修改配置文件地址#

四.附keepalived简单配置文件#

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乘桴

一.依赖安装#

二.编译安装源码#

三.修改配置文件地址#

四.附keepalived简单配置文件#

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