VirtualBox VM

For those who do not have 2nd machine to install Linux, if your primary compauter is powerful enough in terms of CPU and memory, for example, your computer that has Intel i7 or better CPU and there are at least 8GB RAM, consider run VM, for example VirtualBox VM.
Choose your OS (Windows, MacOS OSX etc), it is easy to install.
Once installed, launch VirtualBox app, Click New and enter Spark as name
Give half of memory installed on your computer
If you have a CentOS VM file, point to the folder path that contains it
Than you can start the VM