making redhat cd from CD-R

making redhat cd from CD-R

Post by SCOTT BRENTON KEITH ROGE » Sat, 16 Aug 1997 04:00:00



I am trying to burn a CD-ROM with Redhat 4.2 files
dowloaded from the Internet.
I am using a Mac to burn the CD ROM, with Toaster as the burner software.
Redhat was put in the directory redhat-4.2, with i386 underneath it.
When trying to install off the CD-ROM, the install program
reports that the CD is not a Redhat CD.
Is there something I should be doing? I looked at the CD-R faq, and didn't
find anything that seemed to help. I don't have the option of hooking the CD-R
up to a Linux machine, unfortunately.

I work at a University, and we are attempting to facilitate Linux installs
for students.

Thanks in advance.

Scott Rogers

 
 
 

making redhat cd from CD-R

Post by Torsten Schweige » Sat, 16 Aug 1997 04:00:00




Quote:> I am trying to burn a CD-ROM with Redhat 4.2 files
> dowloaded from the Internet.
> I am using a Mac to burn the CD ROM, with Toaster as the burner software.
> Redhat was put in the directory redhat-4.2, with i386 underneath it.
> When trying to install off the CD-ROM, the install program
> reports that the CD is not a Redhat CD.

I think the stuff in i386 has to be in the root of the CD-ROM, that
is, if the CD-ROM is mounted under cdrom, ls -l /cdrom should give
something like

-rw-r--r--   1 ruokonen  daily        19686 Dec  5  1996 COPYING
-rw-r--r--   1 ruokonen  daily         2915 May  1 07:02 README
-rw-r--r--   1 ruokonen  daily         2751 Apr 23 22:08 RPM-PGP-KEY
drwxr-xr-x   5 ruokonen  daily         8192 Jul 14 07:47 RedHat
drwxr-xr-x   5 ruokonen  daily         8192 May 20 05:24 doc
drwxr-xr-x   4 ruokonen  daily         8192 Jul 14 08:27 dosutils
drwxr-xr-x   3 ruokonen  daily         8192 Jul 14 08:28 images
drwxr-xr-x   4 ruokonen  daily         8192 May 20 05:24 misc

BTW, does a Mac support Rockridge? If not, you will not get long
filenames in Linux. If you have access to a Linux box try making a CD
image with mkisofs and write it to the CD.

Hope this helps -- Torsten

 
 
 

1. duplicating an iso9660 cd (cd-r -> file -> cd-r)


This will work just fine. Note that cdrom devices usually have a block size
of 2k, so add "bs=2k" to be 100% correct (it probably doesn't matter on
Linux, but might on other OSes). If you have a sufficiently fast / dependable
cdrom reader, you can even burn a cdrom directly from the original.
The only gotcha here is that you need to find out how large the image
is (as cdwrite cannot stat the image to find out its size). The tool
isosize does this. Something like

    cdwrite --bytes `isosize /dev/scd0` /dev/scd0

should do it (assuming the first SCSI cdrom reader is the source, leaving
out any other required options, etc.)

Paul Slootman
--
Murphy Software, Enschede, The Netherlands      | UNIX is easy to use.


      http://www.wurtel.demon.nl                | Learn the difference.

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