The control panel available for your Linux reseller hosting will be Web Host Manager (WHM)
WHM is a control dashboard that gives the user the ability to manage multiple cPanel-based sites.
In short, WHM is a Reseller control panel. It is used by resellers to manage all the hosting accounts of their reseller plans.
Where else, cPanel is the control panel used by the end users under a reseller of hosting provider. It is used by customers to manage their own hosting accounts.
May refer here to find out more details on WHM - Initial Setup Guide
May refer here to get more information on our related articles for WHM