注意：

只有源码安装的 Nginx 才能使用此方法

步骤一：Nginx 版本的显示

nginx version: nginx/1.18.0

步骤二：Nginx 版本和已安装模块的显示

# /usr/local/nginx/sbin/nginx -V
nginx version: nginx/1.18.0
built by gcc 8.3.1 20191121 (Red Hat 8.3.1-5) (GCC) 
built with OpenSSL 1.1.1g FIPS  21 Apr 2020
TLS SNI support enabled
configure arguments: --prefix=/usr/local/nginx --with-http_ssl_module