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Verify ISO checksum

asked 2018-03-06 11:03:06 -0500

pclinkcomputers gravatar image

updated 2018-03-08 13:43:53 -0500

florian gravatar image

Hello,

Brand new to Linux. I downloaded the installation image and was attempting to verify the checksum. I use a program called WinMD5free. Very easy to use. Problem is, I can't figure out where to get the checksum file from Fedora. It takes me to a page that says:


----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

# Fedora-Workstation-Live-x86_64-27-1.6.iso: 1631584256 bytes
SHA256 (Fedora-Workstation-Live-x86_64-27-1.6.iso) = d242345fa6b5f8cc80e2317c46d15bb1fc4ad70b9a3516c9bc2fb6f3599c8117
# Fedora-Workstation-netinst-x86_64-27-1.6.iso: 532676608 bytes
SHA256 (Fedora-Workstation-netinst-x86_64-27-1.6.iso) = 18ef4a6f9f470b40bd0cdf21e6c8f5c43c28e3a2200dcc8578ec9da25a6b376b
-----BEGIN PGP SIGNATURE-----
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=WREA
-----END PGP SIGNATURE-----

The documentation keeps saying to "download the checksum from that link," but then all I get is that wall of text, and nothing downloads.

WTF? Can anyone help?

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1

Hope this helps: https://getfedora.org/verify and this one. They use powershell to verify the image under Windows.

florian gravatar imageflorian ( 2018-03-06 20:01:07 -0500 )edit

Thank you!

pclinkcomputers gravatar imagepclinkcomputers ( 2018-03-16 14:27:17 -0500 )edit

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answered 2018-03-06 13:25:27 -0500

Infoweb gravatar image

You need to check the SHA256 sum, not MD5. For example, for Fedora-Workstation-netinst-x86_64-27-1.6.iso this is 18ef4a6f9f470b40bd0cdf21e6c8f5c43c28e3a2200dcc8578ec9da25a6b376b. Under Windows for this purposes you can use HashTab program.

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Thank you!

pclinkcomputers gravatar imagepclinkcomputers ( 2018-03-16 14:27:40 -0500 )edit
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answered 2018-03-08 12:24:36 -0500

ozeszty gravatar image

To download a checksum right-click on a link and use Save link (or target) as....

By default that link opens as a page, which you can always save as text file (using Ctrl+s) and use for verification. Checksum files have no filename extension that would allow browser to distinguish them form pages (to start a download) and default action for text files is viewing them.

When you get the checksum, follow docs on how to verify SHA256 checksums (as @Infoweb pointed out).

Alternatively you can use Fedora Media Writer, which will download, verify and write the image to USB drive (though it won't allow you to download and verify netinst image, but only write it, if you have it already downloaded).

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Thank you!

pclinkcomputers gravatar imagepclinkcomputers ( 2018-03-16 14:28:34 -0500 )edit

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Asked: 2018-03-06 11:03:06 -0500

Seen: 396 times

Last updated: Mar 08 '18