data science in big data world press ctrl+ and select the virtual image from hortonworks click next click importafter little time your image should be imported now select your virtual machine and click run give it little time to start the centos distribution with the hadoop installation runningas shown in figure notice the sandbox version here is with other versions things could be slightly different figure hortonworks sandbox running within virtualbox you can directly log on to the machine or use ssh to log on for this application you'll use the web interface point your browser to the address you'll be welcomed with the screen shown in figure hortonworks has uploaded two sample setswhich you can see in hcatalog just click the hcat button on the screen and you'll see the tables available to you (figure