- - `sudo mkdir /usr/share/nginx/html/ubuntu`
- - `sudo cp -r /mnt/cdrom/* /usr/share/nginx/html/ubuntu/`
+ - figure out where nginx will look for files on the filesystem when
+ responding to HTTP requests. The configuration is in one of the
+ files in /etc/nginx/conf.d/, /etc/nginx/sites-enabled/ or in
+ /etc/nginx/nginx.conf under section server/root. Save the path to NGINX_ROOT
+ - `sudo mkdir -p ${NGINX_ROOT}/download/ubuntu`
+ - `sudo cp -r /mnt/cdrom/* ${NGINX_ROOT}/download/ubuntu/`