How to make Freeduc-USB

The live USB thumbdrives Freeduc-USB on a derivative of the distribution GNU/Linux Debian, named KNOPPIX.

Méthod, in six stages

1. Get the last version of Knoppix, via `torrent`, from servers of University of Kaiserslautern: http://torrent.unix-ag.uni-kl.de
2. With the kernel module `cloop`, the compressed contents of KNOPPIX are copied to a non-compressed directory, named `live`. Data of this distribution which can be acccessed without the module `cloop` are copied to a directory named `compressed`.
3. The file tree under the directory `live` is characteristic of a working GNU/Linux distribution. With the command `chroot`, one enters the context of that distribution, and one applies some changes:
   • define repositories for Debian packages;
   • remove packages which are not kept in the final product;
   • install packages which will make the future Freeduc-USB version;
   • various updates; write some scipts to launch at startup (for instance, with Freeduc-Wims, launch the web server, then open the Wims service in one window of Firefox);
4. compress the file tree under `live`, into one or more files of a subdirectory of `compressed`, to replace similar files coming from the original KNOPPIX distribution;
5. adjust some *boot* parameters under `compressed/boot/syslinux`, like the welcome screen visible during the *boot*, options available to end-users, keyboard layout during the *boot*, etc.
6. create a USB thumbdrive Freeduc-USB, with two partitions, data filled into the first partition, and ceate the *boot* sector.