j’ai trouvé ça :[quote=“debian live faq”]To add more repositories (e.g. backports, experimental packages, etc…), create config/chroot_sources/your-cdd-repo.{chroot,binary} file.
e.g. config/chroot_sources/live.chroot allows to install packages from the debian live snapshot repository at live-cd build time (you have to add the packages in your package list):
deb live.debian.net/debian/ ./
If you add the line to config/chroot_sources/live.binary the repository will be added to your live-system’s /etc/apt/sources.list.
If such files exist, they will be picked up automatically.
You can also put the gpg-key used to sign the repository into config/chroot_sources/foo.{binary,chroot}.gpg[/quote]J’espère que ça pourra t’aider.
      
    

 Je pense que c’est la faute d’openoffice, les miennes n’ont jamais dépassé les 350 Mb et pourtant je mettais la totale genre gimp, iceweasel, vlc et même xfce