sudo cp /etc/resolv.conf /opt/ltsp/i386/etc/ sudo chroot /opt/ltsp/i386/ mount -t proc proc /proc sudo cp /etc/apt/sources.list /opt/ltsp/i386/etc/apt/ sudo chroot /opt/ltsp/i386/ apt-get update sudo chroot /opt/ltsp/i386/ apt-get dist-upgrade that should theoretically work