Here is a quick install guide. You need SSH (secure shell) access (which is most probably enabled for your account or can be enabled by support). To learn how to use SSH, please check the SSH section in the KB/FAQ: http://www.jaguarpc.com/support/kbase/8/
1. Login to your account via SSH
2. Download the sf_sandbox.tgz in your web folder e.g.
cd ~/public_html wget http://www.symfony-project.com/get/sf_sandbox.tgz tar zxf sf_sandbox.tgz rm sf_sandbox.tgz
3. Go to this page to learn how to try your first project: