Correction in the docs
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qubist
Feb 5, 2026, 2:41:55 PM (5 days ago) Feb 5
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Hi,
I think a correction in the docs is necessary:
https://doc.qubes-os.org/en/latest/project-security/verifying-signatures.html#how-to-re-verify-installation-media-after-writing
The 'dd' commands should be executed as root (i.e. need a 'sudo'
prefix) because /dev/sda cannot be read as user.
BTW, assuming the downloaded and successfully verified ISO is trusted,
is not another possible verification method to:
$ sudo dd if=/dev/sda of=<written_data.iso> bs=1M count=<number from article>
$ diff written_data.iso Qubes-RX-x86_64.iso
?
I think a correction in the docs is necessary:
https://doc.qubes-os.org/en/latest/project-security/verifying-signatures.html#how-to-re-verify-installation-media-after-writing
The 'dd' commands should be executed as root (i.e. need a 'sudo'
prefix) because /dev/sda cannot be read as user.
BTW, assuming the downloaded and successfully verified ISO is trusted,
is not another possible verification method to:
$ sudo dd if=/dev/sda of=<written_data.iso> bs=1M count=<number from article>
$ diff written_data.iso Qubes-RX-x86_64.iso
?
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