http://wiki.debian.org/LTSP/Howto
LTSP5 vai apt-get e repositório etch-ltsp-backports
Como instalar via Tarball?
wget -c http://ltsp.mirrors.tds.net /pub/ltsp/ltsp-5.0/ltsp_debian _etch_i386-1.tar.bz2
bunzip ltsp_debian_etch_i386-1.tar.bz2
wget http://ltsp.mirrors.tds.net /pub/ltsp/ltsp-5.0/ltsp-update -kernels-2.tar.bz2
wget http://ltsp.mirrors.tds.net /pub/ltsp/ltsp-5.0/ltsp-update -sshkeys-2.tar.bz2