http://nginx.org/download/nginx-1.2.0.tar.gz 下载nginx源码包 安装pcre支持  yum install pcre-devel cd /opt/ tar zxvf nginx-1.2.0.tar.gz cd nginx-1.2.0 ./configure --with-http_stub_status_module --prefix=/usr/local/nginx make && make install 安装完成 cd /usr/local/nginx/sbin/ ./nginx 启动 nginx lsof -i:80 防火墙添加80端口 重启防火墙 浏览器访问 http://192.168.1.1  welcome to nginx ! 实现简单负载 修改 /usr/local/nginx/conf/nginx.conf 修改内容如下： http {     include       mime.types;     default_type  application/octet-stream;     upstream test{         server  192.168.1.2:80        weight=3 max_fails=3 fail_timeout=20s;         server  192.168.1.3:80        weight=3 max_fails=4 fail_timeout=20s;         server  192.168.1.4:80        weight=3 max_fails=1 fail_timeout=20s; }  server {         listen       80;         server_name  www.test.com     192.168.1.1;         index  index.html index.htm;         location / {         proxy_pass http://test;         proxy_next_upstream http_500 http_502 http_503 error timeout invalid_header;         include  /usr/local/nginx/conf/proxy.conf; }         } 添加 /usr/local/nginx/conf/proxy.conf 内容如下： proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; client_body_buffer_size 128k; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; 保存退出！ 重新启动nginx，修改本地hosts，192.168.1.1   www.test.com 访问 http://www.test.com 或者 http://192.168.1.1 验证结果。