Re: Remastering Knoppix 3.9,
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Am Dienstag, 2. August 2005 16:12 schrieb Natalia Tasci:
> Hi,
>
> I want to remaster Knoppix 3.9.
> First I only tried to compress the original Knoppix source to see that it
> works, and I didn't do any changes to the source. I expected to get
> compressed Knoppix of the same size (692MB), but I got 718MB.
>
> According to advices, that I found in archive, I used compressor from 3.9
> And also I used a new option -b for best compresson, but it didn't help.
> Any ideas? My command looked like that:
>
> mkisofs -R -U -V "KNOPPIX iso9660 filesystem" -hide-rr-moved -cache-inodes
> -no-bak -pad source/ | nice -5 create_compressed_fs -b - 65536 >
> new/KNOPPIX/KNOPPIX
>
> To find out what is wrong I did two things: extracted the original Knoppix
> iso using extract_compressed_fs from Knoppix source, and created a new iso
> without compresson, and as a result I found out that my new uncommpressed
> iso is also larger than uncompressed original iso. Can it be a problem of
> mkisofs?
No, its a problem of HardLinks ...
The ISO9660 of the Linux-Kernel does not represent hardlinks as such and so
for example /bin/gzip and /bin/gunzip are represented through different
inodes.
A fix is to run the Knoppix.hardlinks script.
cu
Fabian
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