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As expected, you guys came through.  As it turns out, the file was 
Gzipped.  After ungzipingit I was able to mount it and get to the goods.

Thanks to all whom replied (and particular thanks to Jason Fritcher).   
I completely overlooked the fact that the file could have been compressed.

Great regards,
Chris Bergeron



Randal Jarrett wrote:

>Here is a tail end of a bash script that I used on a past project.
>I'm sure that now othere will post in perl, python, tkl...... :-)
>
>echo " Unziping initrd.img  "
>gunzip -c isolinux/initrd.img >/tmp/initrd.img
>
>echo " Mounting /tmp/initrd.img as /mnt/loop "
>sudo mount -o loop /tmp/initrd.img /mnt/loop
>
>echo " Copying ks.cfg to /mnt/loop/ks/ks.cfg "
>cp -f ks.cfg /mnt/loop/ks/ks.cfg 
>
>echo " Unmounting /mnt/loop  "
>sudo umount /mnt/loop
>
>echo " Gziping /tmp/initrd.img >isolinux/initrd.img  "
>gzip -c9v /tmp/initrd.img >isolinux/initrd.img 
>
>echo " Removing /tmp/initrd.img "
>rm -f /tmp/initrd.img
>
>echo " Making ISO image build_base.iso  "
>mkisofs -b isolinux/isolinux.bin \
>	-c isolinux/boot.cat \
>	-no-emul-boot -boot-load-size 4 -boot-info-table \
>	-V 'LDAP & MySQL' \
>	-o ../ISOs/build_base.iso .
>
>
>echo " Make sure that there is a blank CD in drive then press enter "
>read x
>
>cd ..
>
>cdrecord -v speed=16 -eject -blank=fast  dev=/dev/hdd
>driveropts=burnfree ISOs/build_base.iso 
>
>echo " Finished  "
>
>
>Randal
>
>
>On Sun, 2005-05-01 at 18:26 -0400, Christopher Bergeron wrote:
>  
>
>>I thought this was a straightforward task, but I'm having trouble 
>>mounting an initrd.img file.  When I try:
>>
>>mount -o loop initrd.img directory_to_mount_to
>>
>>I'm getting a "must specify filesystem" error.  Does anyone have any 
>>idea on what I'm doing wrong?  Can I not mount this initrd.img file or 
>>am I in fact, not specifying the correct filesystem?  I've tried -t 
>>ext2  and -t ext3 (and -t tmpfs and -t cramfs), but to no adeu.
>>
>>Does anyone have any ideas?
>>
>>Thanks in advance,
>>CB
>>
>>
>>_______________________________________________
>>Ale mailing list
>>Ale at ale.org
&gt;&gt;<a  rel="nofollow" href="http://www.ale.org/mailman/listinfo/ale";>http://www.ale.org/mailman/listinfo/ale</a>
&gt;&gt;    
&gt;&gt;


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<li><strong><a name="00069" href="msg00069.html">[ale] how to mount an initrd file?</a></strong>
<ul><li><em>From:</em> mhw at wittsend.com (Michael H. Warfield)</li></ul></li>
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<li><strong><a name="00028" href="msg00028.html">[ale] how to mount an initrd file?</a></strong>
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