不废话，直接上搭建过程和配置。

操作系统：CentOS 6.5

nginx版本：nginx-1.9.9   （下载地址： ）

keepalived：keepalived-1.2.19  （下载地址： ）

一、安装nginx

#添加运行nginx的用户和组www  groupadd www   useradd -g www www #下载pcre  wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-x.x.tar.gz  tar zxvf pcre-7.8.tar.gz  cd pcre-7.8/  ./configure  make && make install#下载nginxwget http://nginx.org/download/nginx-1.9.13.tar.gztar zxvf nginx-1.9.13.tar.gz  cd nginx-1.9.13/  ./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module  make && make install

注意：nginx的配置请看

二、安装和配置keepalived

1、安装

wget http://www.keepalived.org/software/keepalived-1.2.19.tar.gz  #tar zxvf keepalived-1.2.19.tar.gz  #cd keepalived-1.2.19  #./configure --prefix=/usr/local/keepalived  #make && make install  #cp /usr/local/keepalived/sbin/keepalived /usr/sbin/  #cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/  #cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/  #mkdir /etc/keepalived  #cd /etc/keepalived/

 2、配置

#vim keepalived.conf

global_defs {     notification_email {                }   notification_email_from keepalived@chtopnet.com     smtp_server 127.0.0.1     smtp_connect_timeout 30     router_id LVS_DEVEL  }  vrrp_instance VI_1 {      state MASTER      interface eth0      virtual_router_id 51      mcast_src_ip 192.168.0.154    <==主nginx的IP地址      priority 100      advert_int 1      authentication {          auth_type PASS          auth_pass chtopnet      }      virtual_ipaddress {          192.168.0.188             <==vip地址      }  }