Re: tlug: enscription thru loop device.

[Kei Furuuchi <kfur@example.com>]

Frank Bennett writes:
 > 
 > Kei Furuuchi <kfur@example.com> writes:
 > 
 > > $ touch cdr.img
 > > $ losetup -e des /dev/loop0 cdr.img
 > > $ mkisofs -afvr -o /dev/loop0 <directory>
 > > 
 > > mkisofs fails. Is it usual?
 > 
 > As far as I know that should fail; you need a load of empty space
 > into which to write the filesystem.  It's the same with physical
 > disks; you need a partition before you can fill it with a
 > filesystem.  Use dd for this purpose:
 > 
 >   dd bs=1024 count=1000 if=/dev/zero of=cdr.img

So the sequence should be:

$ mkisofs -afvr -o cdr.img <directory>
$ losetup -e des /dev/loop0 cdr.img
$ dd if=cdr.img of=/dev/loop0

Regards,
Kei.

 > 
 > or options to a similar effect.
 > 
 > Cheers,
 > -- 
 > -x80
 > Frank G Bennett, Jr         @@
 > Faculty of Law, Nagoya Univ () email: bennett@example.com
 > Tel: +81[(0)52]789-2239     () WWW:   http://rumple.soas.ac.uk/~bennett/
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Next Meeting: 10 October, 12:30 Tokyo Station Yaesu central gate
Featuring the IMASY Eng. Team on "IPv6 - The Next Generation IP"
Next Nomikai: 20 November, 19:30  Tengu TokyoEkiMae 03-3275-3691
---------------------------------------------------------------
Sponsor: PHT, makers of TurboLinux http://www.pht.co.jp