I don't know whether this is right, but 2-3 times i got this message below.
I have / - 6.5 GB free
/home/tim - 9.5 GB free
Has this gone over in size? 4GB>?
[root@localhost tim]# mylivecd --nodir=^/home/tim,^/var/cache/apt/archives,^/var/log --md5sum --verbose live1cd.iso
mylivecd, version 0.9.1, http://pclinuxos.com/
Copyright (C) 2010, Texstar <texstar at gmail.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
Creating initrd: [100.00% 00:00:04/00:00:04]
Setting filesystem parameters: [100.00% 00:04:43/00:07:57]
Creating compressed image: [100.00% 00:24:38/00:24:57]
Creating isolinux boot: [100.00% 00:00:00/00:00:00]
Creating final iso: [100.00% 00:00:01/00:00:01]
ls: cannot access live1cd.iso: No such file or directory
Embedding MD5 checksum:
[ ]Argument "" isn't numeric in division (/) at /usr/sbi[ 0.00% 00:00:00/00:00:00]Error - Unable to open file live1cd.iso
Illegal division by zero at /usr/sbin/mylivecd line 288.