keepalived 安装教程

1、安装keepalived
访问Keepalived官网（http://www.keepalived.org）下载软件包，并上传到服务器上。
或者直接用命令下载并解压：
[root@localhost ~]# tar zxvf keepalived-1.3.4.tar.gz
安装依赖插件：

[root@localhost ~]# yum install -y gcc openssl-devel popt-devel

编译安装：

[root@localhost ~]# cd keepalived-1.3.4

[root@localhost keepalived-1.3.4]# ./configure --prefix=/usr/local/keepalived

[root@localhost keepalived-1.3.4]# make && make install

配置：（后面部分会详细介绍，这里就用默认配置）

启动：
首先拷贝几个文件到CentOS7环境中：

[root@localhost ~]# cp keepalived-1.3.4/keepalived/etc/init.d/keepalived /etc/init.d/

[root@localhost ~]# mkdir /etc/keepalived

[root@localhost ~]# cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/

[root@localhost ~]# cp keepalived-1.3.4/keepalived/etc/sysconfig/keepalived /etc/sysconfig/

[root@localhost ~]# cp /usr/local/keepalived/sbin/keepalived /usr/sbin/

执行启动服务：
[root@localhost ~]# service keepalived start