Partitioning Worked

Partitioning Worked

[Natarajan K]

HI,
	Thanks Riley and Ray.
-- 
Natarajan
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?Copying 'difficult' CD-ROM discs

[Chuck Gelm]

Howdy, Y'all:

 I have a commercial CD-ROM disc that resists being copied.
(using Eazy-CD-Creator v4.02 & Windows98se & CD-ROM R/W drive)

 It is used very frequently and I'd like to create a backup
and store the original in a safe place.

 I have a linux 'file server' system with a CD-ROM read-only drive.

Can I create an '.iso' image of the original CD-ROM disc
using linux utilities/applications that can be 'burned'
with my Windows CD-ROM-writer software?
If 'yes', how or where to go for more information? ;-)

Regards, Chuck
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Re: ?Copying 'difficult' CD-ROM discs

[Ray Olszewski]

At 01:22 PM 8/17/02 -0400, Chuck Gelm wrote:
>Howdy, Y'all:
>
>  I have a commercial CD-ROM disc that resists being copied.
>(using Eazy-CD-Creator v4.02 & Windows98se & CD-ROM R/W drive)
>
>  It is used very frequently and I'd like to create a backup
>and store the original in a safe place.
>
>  I have a linux 'file server' system with a CD-ROM read-only drive.
>
>Can I create an '.iso' image of the original CD-ROM disc
>using linux utilities/applications that can be 'burned'
>with my Windows CD-ROM-writer software?
>If 'yes', how or where to go for more information? ;-)

Resistance is futile? Prepare to be assimilated?

Ok, seriously. Without knowing what makes this particular CD "difficult" in 
a Windows setting, it is difficult to say for sure.

Can you mount the CD under Linux? (This will check if it is a standard iso CD.)

With the CD in the drive but NOT mounted, does this command work:

         dd if=/dev/cdrom of=./cdrom_image.iso

(you may need to replace /dev/cdrom with something else, if your system 
does not use that symlink)?

If you can create an iso image with the suggested command, then you can 
burn it onto a CD using Linux tools like cdrecord. Though I've used Windows 
CD burning software (I think the "Eazy-CD-Creator" package you refer to) at 
client sites, I'm not sufficiently familiar with it to know what sorts of 
source files it can burn from.


--
-------------------------------------------"Never tell me the odds!"--------
Ray Olszewski					-- Han Solo
Palo Alto, California, USA			  ray@comarre.com
-------------------------------------------------------------------------------

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Re: ?Copying 'difficult' CD-ROM discs

[Chuck Gelm]

Hi, Ray:

 Thanks.  
Windows hardware check:
My existing windows cd-burn software can burn the
Slackware8.0 'install.iso' to blank media and it boots & works fine.
 ;-)

 Using my Easy-cd-creator v4.02 generates an image file of
        112 bytes and fails with an error about creating file
000000001.TMP                  :-(
^^^^^^^^^^^^^ something like that

 Using 'dd if=/dev/cdrom of=./filename.iso' generates a file of 
  1,699,840 bytes.  :-|

 Yet, 'tar -czvf filename.tar.gz /cdrom/*', generates a filesize of 
561,982,106 bytes.    ;-)

 The 'dd' command seems to work with other, friendlier, CD-ROMs.
(filesize seems appropriate,
 but I haven't burned a CD from them, yet>)

:-) So, it is that easy to create .iso images!  :-)

 So, it seems that 'dd' is not creating the expected output.
What does this indicate.

Many thanks, Chuck

Ray Olszewski wrote:
> 
> At 01:22 PM 8/17/02 -0400, Chuck Gelm wrote:
> >Howdy, Y'all:
> >
> >  I have a commercial CD-ROM disc that resists being copied.
> >(using Eazy-CD-Creator v4.02 & Windows98se & CD-ROM R/W drive)
> >
> >  It is used very frequently and I'd like to create a backup
> >and store the original in a safe place.
> >
> >  I have a linux 'file server' system with a CD-ROM read-only drive.
> >
> >Can I create an '.iso' image of the original CD-ROM disc
> >using linux utilities/applications that can be 'burned'
> >with my Windows CD-ROM-writer software?
> >If 'yes', how or where to go for more information? ;-)
> 
> Resistance is futile? Prepare to be assimilated?
> 
> Ok, seriously. Without knowing what makes this particular CD "difficult" in
> a Windows setting, it is difficult to say for sure.
> 
> Can you mount the CD under Linux? (This will check if it is a standard iso CD.)

 Yes.

> With the CD in the drive but NOT mounted, does this command work:
> 
>          dd if=/dev/cdrom of=./cdrom_image.iso
> 
> (you may need to replace /dev/cdrom with something else, if your system
> does not use that symlink)?
> 
> If you can create an iso image with the suggested command, then you can
> burn it onto a CD using Linux tools like cdrecord. Though I've used Windows
> CD burning software (I think the "Eazy-CD-Creator" package you refer to) at
> client sites, I'm not sufficiently familiar with it to know what sorts of
> source files it can burn from.
> 
> --
> -------------------------------------------"Never tell me the odds!"--------
> Ray Olszewski                                   -- Han Solo
> Palo Alto, California, USA                        ray@comarre.com
> -------------------------------------------------------------------------------
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Re: ?Copying 'difficult' CD-ROM discs

[Matthias Schweinoch]

while we're on the subject of copying "difficult" CDs: has anyone tried to
make copies of video CDs? i have several video CDs here which were created
with win tools such as NERO or WINONCD. i can't get these copied on my linux
box with the latest X-CD-ROAST... i haven't tried the command line approach
yet...

but before i get all too much into it: how das linux (cdrecord, mkisofs?)
handle mixed-mode CDs - i think that's the problem with the VCDs. thank for
the help.

matthias

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Re: ?Copying 'difficult' CD-ROM discs

[Ray Olszewski]

At 08:36 PM 8/17/02 +0200, Matthias Schweinoch wrote:
>while we're on the subject of copying "difficult" CDs: has anyone tried to
>make copies of video CDs? i have several video CDs here which were created
>with win tools such as NERO or WINONCD. i can't get these copied on my linux
>box with the latest X-CD-ROAST... i haven't tried the command line approach
>yet...
>
>but before i get all too much into it: how das linux (cdrecord, mkisofs?)
>handle mixed-mode CDs - i think that's the problem with the VCDs. thank for
>the help.

I haven't actually done this yet,  but I've been reading up on it. VCDs are 
not iso format, so they need to be burned with different tools and ripped 
(in the same way that one rips CDs and DVDs) rather than read.

There is a (Debian) package called vcdtools that inclues an app called 
mkvcdfs. Its man page says the images it creates can be burned with cdrdao 
(but apparently not with cdrecord). Someday I'll have the time to try this 
out. If your someday comes sooner than mine, and you get this working, 
please tell us what the details are.

For ripping VCDs, there is a (Debian) package called vcdimager that 
converts the VCD content to regular mpeg.


--
-------------------------------------------"Never tell me the odds!"--------
Ray Olszewski					-- Han Solo
Palo Alto, California, USA			  ray@comarre.com
-------------------------------------------------------------------------------

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Re: ?Copying 'difficult' CD-ROM discs

[Ray Olszewski]

At 02:37 PM 8/17/02 -0400, Chuck Gelm wrote:
>Hi, Ray:
>
>  Thanks.
>Windows hardware check:
>My existing windows cd-burn software can burn the
>Slackware8.0 'install.iso' to blank media and it boots & works fine.
>  ;-)
>
>  Using my Easy-cd-creator v4.02 generates an image file of
>         112 bytes and fails with an error about creating file
>000000001.TMP                  :-(
>^^^^^^^^^^^^^ something like that
>
>  Using 'dd if=/dev/cdrom of=./filename.iso' generates a file of
>   1,699,840 bytes.  :-|
>
>  Yet, 'tar -czvf filename.tar.gz /cdrom/*', generates a filesize of
>561,982,106 bytes.    ;-)
>
>  The 'dd' command seems to work with other, friendlier, CD-ROMs.
>(filesize seems appropriate,
>  but I haven't burned a CD from them, yet>)
>
>:-) So, it is that easy to create .iso images!  :-)
>
>  So, it seems that 'dd' is not creating the expected output.
>What does this indicate.

At a *guess*, the CD is not pure iso, but instead has a small "outside 
edge" track that an iso imager reads rather than the full disk. That track 
then has some second-stage loader that lets you read the rest of the disk. 
Or maybe the dummy track is just junk and the core of the disk is true iso. 
I haven't actually encountered this sort of setup, but I'm reasoning by 
analogy to that lamebrain system for "protecting" music CDs from ripping 
software that involved putting a small, bogus track on the outside edge.

In the music case, the workaround was easy, since you didn't need that 
track. Here it is probably harder and may involve specialized understanding 
of the specific disk in question (at least is that small filesystem is 
important to running the disk). In any case, Linux is likely to be no more 
successful here than Windows, at least using its ordinary tools. Sorry.

One possibility ... if you can mount the disk and see its directories (the 
tar results imply that you can), try

         mkisofs -J -r -o some_filename.iso /cdrom/*

This will put the contents of the CD into a true iso image that you can 
burn. Whether the programs there will run from that burned image ... well, 
your guess is as good as mine, but I'd not be optimistic, since it sounds 
like you are encountering some form of deliberate copy protection.


--
-------------------------------------------"Never tell me the odds!"--------
Ray Olszewski					-- Han Solo
Palo Alto, California, USA			  ray@comarre.com
-------------------------------------------------------------------------------

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Re: ?Copying 'difficult' CD-ROM discs

[Chuck Gelm]

Hi, Ray:

Thanks.

mkisofs -J -r -o some_filename.iso /cdrom/* 

Using SETUP000.EXE;1 for  /setup.exe (setup.exe)
Using READM000.TXT;1 for  /readme.txt (readme.txt)
Using READM000.DOC;1 for  /readme.doc (readme.doc)
Using PATCH000.DLL;1 for  /patchw32.dll (patchw32.dll)
Using LAUNC000.BMP;1 for  /launcher.bmp (launcher.bmp)
mkisofs: Error: /cdrom/wolapi/launcher.bmp and
/cdrom/install/launcher.bmp have the same Rock Ridge name
mkisofs: Error: /cdrom/readme.doc and /cdrom/install/readme.doc have the
same Rock Ridge name
mkisofs: Unable to sort directory 

 I'm off to a corn festival and won't be back for several hours.
If you reply before then, sorry, I won't be able to try
out anything new.  ;-)

Many thanks, Chuck


Ray Olszewski wrote:
> 
> At 02:37 PM 8/17/02 -0400, Chuck Gelm wrote:
> >Hi, Ray:
> >
> >  Thanks.
> >Windows hardware check:
> >My existing windows cd-burn software can burn the
> >Slackware8.0 'install.iso' to blank media and it boots & works fine.
> >  ;-)
> >
> >  Using my Easy-cd-creator v4.02 generates an image file of
> >         112 bytes and fails with an error about creating file
> >000000001.TMP                  :-(
> >^^^^^^^^^^^^^ something like that
> >
> >  Using 'dd if=/dev/cdrom of=./filename.iso' generates a file of
> >   1,699,840 bytes.  :-|
> >
> >  Yet, 'tar -czvf filename.tar.gz /cdrom/*', generates a filesize of
> >561,982,106 bytes.    ;-)
> >
> >  The 'dd' command seems to work with other, friendlier, CD-ROMs.
> >(filesize seems appropriate,
> >  but I haven't burned a CD from them, yet>)
> >
> >:-) So, it is that easy to create .iso images!  :-)
> >
> >  So, it seems that 'dd' is not creating the expected output.
> >What does this indicate.
> 
> At a *guess*, the CD is not pure iso, but instead has a small "outside
> edge" track that an iso imager reads rather than the full disk. That track
> then has some second-stage loader that lets you read the rest of the disk.
> Or maybe the dummy track is just junk and the core of the disk is true iso.
> I haven't actually encountered this sort of setup, but I'm reasoning by
> analogy to that lamebrain system for "protecting" music CDs from ripping
> software that involved putting a small, bogus track on the outside edge.
> 
> In the music case, the workaround was easy, since you didn't need that
> track. Here it is probably harder and may involve specialized understanding
> of the specific disk in question (at least is that small filesystem is
> important to running the disk). In any case, Linux is likely to be no more
> successful here than Windows, at least using its ordinary tools. Sorry.
> 
> One possibility ... if you can mount the disk and see its directories (the
> tar results imply that you can), try
> 
>          mkisofs -J -r -o some_filename.iso /cdrom/*
> 
> This will put the contents of the CD into a true iso image that you can
> burn. Whether the programs there will run from that burned image ... well,
> your guess is as good as mine, but I'd not be optimistic, since it sounds
> like you are encountering some form of deliberate copy protection.
> 
> --
> -------------------------------------------"Never tell me the odds!"--------
> Ray Olszewski                                   -- Han Solo
> Palo Alto, California, USA                        ray@comarre.com
> -------------------------------------------------------------------------------
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Copying files to CD-ROM discs

[Frank Roberts - SOTL]

First thanks for the previous help that several of you provided.

Since I have been sort of thinking along these lines I could have sworn that I 
had saved a set of e-mail that told how to make a CD using the dd comand but 
all I could find in my repository was a procedure for making an ISO from a 
CD.

Any after the latest crash - crash in this case meaning refusing to boot - of 
my MS clunker it has the idea of copying a certain set files to disk became 
desirable but mot critical.  

Anyway I tried to execute  

dd if=/home/trunk/file_name of=/dev/cdrom1

and a few variation of this on my Linux box as a test without success to see 
if I could make a CD from a set of files. 

Usage of a program like CDRoast is not a feasibility as the linux distribution 
I an using is on one floppie.

Any advice on how to proceed would be greatly appreciated. 

Thanks

Frank


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Re: Copying files to CD-ROM discs

[Ray Olszewski]

Sorry, but you can't do it that way. To write to a CD, you actually have to 
control the CD burner part of the CD device ... it's not just like writing 
to a filesystem. You do need to use a program like cdecord or cdrdao, that 
knows how to control the CD drive for burning. For that matter, cdrecord 
doesn't even know how to burn to an IDE burner -- you need to have a kernel 
with ide-scsi emulation compiled in and fake a scsi LUN for the drive. (I 
think this is true of cdrdao too, but I haven't used that app so am not 
certain.)

What you are probably half remembering is that dd does work in the other 
direction -- you can dd fom a CD to an ISO image file, pretty much the way 
you have been trying (but interchanging the if= and of= parts).

At 10:03 PM 10/6/02 -0400, Frank Roberts - SOTL wrote:
>First thanks for the previous help that several of you provided.
>
>Since I have been sort of thinking along these lines I could have sworn 
>that I
>had saved a set of e-mail that told how to make a CD using the dd comand but
>all I could find in my repository was a procedure for making an ISO from a
>CD.
>
>Any after the latest crash - crash in this case meaning refusing to boot - of
>my MS clunker it has the idea of copying a certain set files to disk became
>desirable but mot critical.
>
>Anyway I tried to execute
>
>dd if=/home/trunk/file_name of=/dev/cdrom1
>
>and a few variation of this on my Linux box as a test without success to see
>if I could make a CD from a set of files.
>
>Usage of a program like CDRoast is not a feasibility as the linux 
>distribution
>I an using is on one floppie.
>
>Any advice on how to proceed would be greatly appreciated.



--
-------------------------------------------"Never tell me the odds!"--------
Ray Olszewski					-- Han Solo
Palo Alto, California, USA			  ray@comarre.com
-------------------------------------------------------------------------------

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Re: Copying files to CD-ROM discs

[Frank Roberts - SOTL]

On Sunday 06 October 2002 22:20, Ray Olszewski wrote:
> Sorry, but you can't do it that way. To write to a CD, you actually have to
> control the CD burner part of the CD device ... it's not just like writing
> to a filesystem. 

Thinks 
It appears that I will have to try a different approach.
Thanks for the input.
Oh well back to the drawing board.

Thanks

Frank


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Re: ?Copying 'difficult' CD-ROM discs

[eddysan]

Try using this command:

mkisofs -J -r -l -allow-lowercase -V "CD label" -o image.iso /mnt/cdrom

and you can mount this file system using...

mount -t iso9660 -o loop,ro image.iso /mnt/cdromproof

If you want burn in linux..

cdrecord -v speed=8 dev=0,0,0 image.iso

speed would be= 2,4,8,12,16

If you have got problems just tell me..

bye

> Howdy, Y'all:
>
> I have a commercial CD-ROM disc that resists being copied.
> (using Eazy-CD-Creator v4.02 & Windows98se & CD-ROM R/W drive)
>
> It is used very frequently and I'd like to create a backup
> and store the original in a safe place.
>
> I have a linux 'file server' system with a CD-ROM read-only drive.
>
> Can I create an '.iso' image of the original CD-ROM disc
> using linux utilities/applications that can be 'burned'
> with my Windows CD-ROM-writer software?
> If 'yes', how or where to go for more information? ;-)
>
> Regards, Chuck
> -
> To unsubscribe from this list: send the line "unsubscribe linux-newbie"
> in the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
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