I spent a little while trying to get my server to run Drupal's "clean up" cron job/tab. I tried many things from linking to the cron.php to trying to copy the clean URL that Drupal creates (/admin/reports/status/run-cron). Well, in any case, I did about 4 minutes of detective work on the Drupal website. In order to get your cron job running (from SSH)
 
Step 1. Login to your server via SSH (Preferably not as root and as a user)