nginx负载均衡配置的方法是什么

[root@localhost ~]# vim nginx.conf     user  nginx; worker_processes  1;  error_log  /var/log/nginx/error.log warn; pid        /var/run/nginx.pid;  events {     worker_connections  1024; }  http {      upstream pools {         server 10.10.0.110:8080 weight=1;         server 10.10.0.110:8081 weight=1;     }      server {         listen       80;         server_name  localhost;         location / {             root   html;             index  index.html index.htm;             proxy_pass http://pools;             proxy_set_header Host  $host;         }      } }