[ydl-gen] YDL 5.0.1 on an Xserve (sub-topic: MD5)
Richardson, Joshua A.
Joshua.Richardson at gd-ais.com
Fri May 25 10:35:53 MDT 2007
And just to chime in here, I didn't use the Apple md5sum, but the TS
recommended Windows version.
Joshua A. Richardson
(703) 272-1761 -- Office
(540) 383-9093 - Cell
-----Original Message-----
From: yellowdog-general-bounces at lists.terrasoftsolutions.com
[mailto:yellowdog-general-bounces at lists.terrasoftsolutions.com] On
Behalf Of Jon "NeoAmsterdam" Levy
Sent: Friday, May 25, 2007 12:30 PM
To: Discussion List for General Yellow Dog Linux User Topics
Subject: Re: [ydl-gen] YDL 5.0.1 on an Xserve (sub-topic: MD5)
On May 25, 2007, at 9:04 AM, Derick Centeno wrote:
> Regarding the md5sum, I hope that everyone is aware that within OS
> X Tiger invoking the md5sum algorithm means:
>
> $md5 filename
>
> I don't know why Apple chose to do that; you should know however,
> that they did.
>
> A discussion regarding these changes by Apple occurred on either
> this or the newbie list a while back.
I hope you didn't just refer to me as a "newbie" - I've been running
YDL since 2.3 on 6360s, a G3 desktop, and a G4 TiBook.
In any event, I remember the discussion 2007-04-13 vividly. Check
this mailing list's archives for "[ydl-gen] [YDL5] Install DVD won't
boot (bad media?) and related questions" and I believe you will find
the following message (names removed to protect the guilty):
>>> Remember that what Apple has done with open source is modify nearly
>>> everything to it's taste. Apple's pdisk for example is probably not
>>> able to see or read ext3 format which is the format used by YDL.
>>> So the
>>> above doesn't mean anything. Apple even entirely removed md5sum
>>> from
>>> Darwin, the open source or BSD component of OS X which is standard
>>> everywhere else (in every other Unix).
>>>
>>
>> With regards to MD5, I disagree fully. I checked my stash of YDL 4.1
>> ISOs against Argonne's and the MD5s match. Perhaps Apple's `md5`
>> utility has changed somewhere in the past, but I can say with
>> certainty that since 10.2.8 on forward `md5` works "as expected".
>> Please `man md5`.
>>
>
> I can also verify that Apple's md5 utility gives the identical
> MD5 checksum as Linux's md5sum (just checked on MacOS X 10.4.9).
>
> And even if it didn't, you could always get the source to md5sum
> and rebuild it on MacOS X. But you don't need to.
- NeoAmsterdam
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