Then the ISO spoke.
/path/to/rhel-server-7.9-x86_64-dvd.iso /mnt/rhel7_dvd iso9660 loop,ro 0 0 Rhel-server-7.9-x86-64-dvd.iso
Linux example: sudo dd if=rhel-server-7.9-x86-64-dvd.iso of=/dev/sdX bs=4M status=progress 4. Installation Best Practices Then the ISO spoke
The screen paused.