How to reset the root password on rhel 7

Описание: this video is about how you can break a root password
in redhat 7.............

1. press any key here to stop boot
2. now press e for edit
3. now find out the line that start with linux16
4. at the end of that line just add rd.break
5. now press Ctrl+x
6. type mount -o remount,rw /sysroot
7. then type chroot /sysroot
8. now enter the username which you want to break password
9. now create a new file with touch /.autorelabel
10. now login with your new password ...