In this article we are going to learn how to reset forgotten root password in RHEL 7 / Cent OS 7. On my previous post i have explained the same topic but for Cent OS 6. Then I got a comment from one of my subscriber to write an article for RHEL 7.
Start the System and press any key to interrupt the normal boot process, then you will able to see the screen as shown below, Here Select the GRUB option ( Highlighted in Blue Color on Snapshot below ) and press ???e??? to edit it.