How to configure LinkedIn account

Visit https://www.linkedin.com/developer/apps and create an application

Fill up your data

Tick the following application permissions: r_basicprofile, r_emailaddress, w_share.
Add for each domain of your website the link http://www.virtualcms.it/webservices/social/linkedin/auth.jsp (make sure to replace www.virtualcms.it with your domain)
and click the Update button