查看 nginx 当前都配置了哪些 module
指令：nginx -V

执行结果如下：

[root@share ~]# nginx -V
nginx version: nginx/1.14.2
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC) 
built with OpenSSL 1.0.2k-fips  26 Jan 2017
TLS SNI support enabled
configure arguments: --prefix=/usr/local/webserver/nginx --with-http_stub_status_module --with-http_ssl_module