[gentoo-dev] Building a cloop image

[gentoo-dev] Building a cloop image

[Doug Lawlor]

Hello list, I am in the process of updating the gentoo iso to meat my 
needs here and was wondering how to use the cloop package to build the 
compressed loop back image.  Here is what I have done so far:
1.  created a file of the proper size with 'dd'.  
2.  put an ext2 file system in the file using mke2fs -F file name
3.  mounted the file and copied files and directories into this file.  
I can not get the following to work.  
4.  'create_compressed_fs 512 filename'.  Create_compressed_fs seems to 
write the image to swap space ok and then I see a bunch of garbage 
printed on the screen.  Is this program writing to standard output 
instead of a file?  

Thanks in advance for any help.  

Doug

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Doug Lawlor <dlawlor@warp.nfld.net>

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Re: [gentoo-dev] Building a cloop image

[Doug Lawlor]

I forgot to say that I am trying to do this on a slackware 9 box and am 
using cloop-0.66 from the knopix distribution.  

Doug


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Doug Lawlor <dlawlor@warp.nfld.net>

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Re: [gentoo-dev] Building a cloop image

[Paul de Vrieze]

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On Tuesday 24 June 2003 07:49, Doug Lawlor wrote:
> Hello list, I am in the process of updating the gentoo iso to meat my
> needs here and was wondering how to use the cloop package to build the
> compressed loop back image.  Here is what I have done so far:
> 1.  created a file of the proper size with 'dd'.
> 2.  put an ext2 file system in the file using mke2fs -F file name
> 3.  mounted the file and copied files and directories into this file.
> I can not get the following to work.
> 4.  'create_compressed_fs 512 filename'.  Create_compressed_fs seems to
> write the image to swap space ok and then I see a bunch of garbage
> printed on the screen.  Is this program writing to standard output
> instead of a file?
>

Assuming it works the same as crypto loop you will need to create a file. Then 
link a compressed loopback device with it say /dev/loop0. Then you need to 
create a filesystem on the loopback device with mke2fs /dev/loop0

Then you can "mount /dev/loop /mnt/mymountpoint"

Paul

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Paul de Vrieze
Researcher
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Homepage: http://www.cs.kun.nl/~pauldv

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