mkdir gentoo 
tar xjpvf /stage1-x86-2007.0.tar.bz2 -C gentoo
tar xjpvf /portage-latest.tar.bz2 -C gentoo/usr
$EDITOR gentoo/etc/make.conf
mount -o bind /proc gentoo/proc
cp /etc/resolv.conf gentoo/etc
chroot gentoo
source /etc/profile
/usr/portage/scripts/bootstrap.sh && env-update && source /etc/profile && emerge -e system && env-update && source /etc/profile && echo "Listo..Estamos en stage3"