How do I set up cron job if I don't have cPanel?

If you have SSH enabled you have to add the following command:

crontab -t then paste */15 * * * * wget -q -O - http://shop.learnapolis.com/wp-content/plugins/wwc-amz-aff/do-cron.php >/dev/null 2>&1 >/dev/null 2>&1. After that press ctrl + x and save.