搭建一套小的集群实现手动的代码上线lb192.168.111.21web01192.168.111.22web02192.168.111.23所有机器都安装nginx；yuminstallnginx-y1.配置负载均衡[root@lb01~]#cat/etc/nginx/conf.d/proxy_html.quyunlong.com.confupstreamhtml{server192.168.111.