Hope you are doing well.
Please confirm us are you using edureka VM or you have done your own setup?
Q. Could you provide me a documentation on how to configure eclipse & scala in Cent OS?
==> If you are using edureka spark VM then scala ide is already there and please check the attachment for creating scala project.
Q.Please include details on configuring required auxiliaries such as Maven.
==> For maven scala IDE in edureka VM is already enabled in scala IDE for spark program we need maven for scala we dont need any tool.
Please check the attachment for the document.