Clone it :

$ git clone git@github.com:VarnaLab/VarnaLab-Site.git
$ cd VarnaLab-Site

To setup rvm (only once) :

$ echo rvm --create use 1.9.2@varnalab_site >> .rvmrc
$ rvm use 1.9.2@varnalab_site

To start it :

$ bundle
$ rake db:create db:migrate
$ rails s 

Check : http://localhost:3000 and http://localhost:3000/admin