Nginx, php-fcgi, curl

http://blog.giuseppeurso.net/wp-content/uploads/2013/05/php-150x150.png
How to add Curl to php-fcgi with Nginx.
Writing this obvious information, is useful to me because of two reasons:
1) REPETITA JUVANT
2) My poor memory.
Step1 Downloading and installing your distro curl-php, search for it first, so you can possibly choose which one to install.

apt-cache search...
Nginx, php-fcgi, curl