OT: fao: iso wranglers, md5 in install Media?

Richard rz at linux-m68k.org
Sun Jan 22 12:44:01 UTC 2012


On Sat, Jan 21, 2012 at 10:21:58PM +0000, Frank Murphy wrote:
> On 21/01/12 21:32, Adam Williamson wrote:
> 
> >>That refers to the "mediacheck" installer option, which may default to on for
> >>some types of installation.
> >
> >It's presented as a selectable option right at the start of a
> >media-based (i.e. DVD) install - it asks if you want to verify the media
> >or skip straight to installation.
> 
> Does it only check for read problems though,
> or does it verify that whats on the media matches the iso?

it can't give any "strong" assurance of integrity, you would still need 
to verify the md5sum with the usual procedure requiring known good tools
and public keys.

Richard

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