操作系统：CentOS release 6.8 (Final)

Web服务器：nginx-1.12.0

PHP版本：PHP Version 5.6.30

前端页面显示下列错误：

Nginx的日志显示如下错误：[root@localhost logs]# cat error.log

2017/06/0710:02:42 [error] 2590#0: *132 connect() failed (111: Connection refused) whileconnecting to upstream, client: 192.168.133.1, server: localhost, request:"GET /test.php HTTP/1.1", upstream:"fastcgi://127.0.0.1:9000", host: "192.168.133.128"

2017/06/0710:07:42 [error] 2590#0: *190 connect() failed (111: Connection refused) whileconnecting to upstream, client: 192.168.133.1, server: localhost, request:"GET /index.htm HTTP/1.1", upstream:"fastcgi://127.0.0.1:9000", host: "192.168.133.128"

原因是没有启动PHP服务php-fpm

#/application/php/sbin/php-fpm

建议启动服务器时，即自动启动该服务，建议养成该操作下习惯：

[root@localhost/]# vi /etc/rc.local

/application/php/sbin/php-fpm    #添加该行