I have created Hortonworks Sandbox with HDP 2.4 on Azure, as in THIS tutorial. After navigating to http://ip_address:8888/, welcome screen is shown, inviting me to try THIS tutorial, using http://ip_address:8080/ url. But trying http://ip_address:8080/ results in connection refused error. Why is that? Did I miss some configuration in Azure? Am I supposed to use virtual machine on my machine instead of Azure, if all I want to do is to complete some tutorials and create small university project? ... View more