3 CHROOT_DIR
=/opt
/ltsp
/amd64
5 sudo chroot
$CHROOT_DIR mount
-t proc
/proc
/proc
6 sudo chroot
$CHROOT_DIR apt-get update
7 sudo chroot
$CHROOT_DIR env LTSP_HANDLE_DAEMONS
=false apt-get dist-upgrade
8 sudo umount
$CHROOT_DIR/proc
9 sudo ltsp-update-kernels
-b /opt
/ltsp
-d ltsp
10 sudo ltsp-update-image
-p 2000 -b /opt
/ltsp
-a amd64