The first step to set up the Hadoop framework is to install Linux. You will need to get a copy of a Linux operating system. There are many flavors of Linux. You can choose whichever version you like, however, this chapter was written using CentOS 7 because most of the tools you will be installing have also been tested on CentOS. CentOS is a Red Hat-based version of Linux. You can download an ISO at: https://www.centos.org/. Select Get CentOS Now. Then, select DVD image. Choose a mirror to download the ISO.
After downloading the image, you can burn it to a disk using Windows. Once you have burned the disk, place it in the machine that will run Linux and start it. The installation will prompt you along the way. Two steps to ...
