Re: [vox-tech] Debian Net Install Question

[p@diMAPSrac.org (Peter Jay Salzman)]

On Thu 06 Jan 05,  1:56 PM, Richard Harke <rharke@earthlink.net> said:
> On Thursday 06 January 2005 13:33, Peter Jay Salzman wrote:
> > On Thu 06 Jan 05,  1:14 PM, Richard Harke <rharke@earthlink.net> said:
> > > On Thursday 06 January 2005 11:48, Ken Bloom wrote:
> > > > On Thu, 6 Jan 2005 10:53:05 -0800
> > > >
> > > > "Robert G. Scofield" <rscofield@afes.com> wrote:
> > > > > Thanks for your help.  I'm saving all these posts to put in my Linux
> > > > > binder.
> > > > >
> > > > > But here's a question.  What is the meaning of the message
> > > > > "sarge-i386-netinst.iso: OK" when I run "md5sum
> > > > > sarge-i386-netinst.iso
> > > > >
> > > > > | mdsum -c",  "sarge-i386-netinst.iso: OK"?
> > > >
> > > > Assuming you mean md5sum -c, it means that nobody edited
> > > > sarge-i386-netinst.iso betweent he first check (run by md5sum) and the
> > > > second check (run by md5sum -c)
> > > >
> > > > the -c option means it should take a list of files and md5sums which
> > > > are the output of a previous md5sum command and use that to check the
> > > > appropriately named files in the current directory.
> > >
> > > You should download the file with the checksum, not just note the
> > > checksum.
> > >
> > > Use the checksum file as input to md5sum with the -c option
> > > for example:
> > >        md5sum glarbfile.iso >checksumfile
> > > creates the checksum file
> > >        md5sum -c checksumfile
> > > verifies it.
> >
> > What do you gain by checksumming individual files of a suspected badly
> > downloaded tarball versus checksumming the entire tarball?
>
> Very little, I guess. I had the impression from an earlier post that he
> was going to run md5sum on the iso, then eyeball compare with
> what was in the file.
> Richard

Was just curious; I eyeball it myself.   :)

Truth be told, I usually just check the first 4 digits and the last 4
digits.  I think you're the better role model here.  Sometimes I get a
little too facile with these kinds of things!

Pete


-- 
The mathematics of physics has become ever more abstract, rather than more
complicated.  The mind of God appears to be abstract but not complicated.
He also appears to like group theory.  --  Tony Zee's "Fearful Symmetry"

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