The last week I intend to install Red Hat on my System. I was able to download and create a bootable device using the dd command without any hassle.If you know, Red Hat has options to Test media [he] Install Red Hat Enterprises, so I have selected those options[/he] while it’s verifying media, it shows the error of The file header checksum does not match computed checksum.

Source: LXer – How to Verify SHA256 Checksum of File in Linux using sha256sum