====== Installing and Configuring ======
Get it:
<code bash>
$ curl -LsS http://symfony.com/installer -o ~/opt/symfony/symfony
$ chmod +x ~/opt/symfony/symfony
</code>

Create app:
<code bash>
$ symfony new my_project_name
</code>

Internal server:
<code bash>
$ php app/console server:run
$ php app/console server:start
$ php app/console server:stop
</code>

Check configuration:\\ 
http://localhost:8000/config.php

Check security: <code bash>$ php app/console security:check</code>