diff --git a/assemble_image.sh b/assemble_image.sh
index 7b236362b0eb8a97bf6d20b57791bb06480d76f8..9f36acecf8afaa1dc00d07365158180713901167 100755
--- a/assemble_image.sh
+++ b/assemble_image.sh
@@ -3,7 +3,7 @@
 set -e
 set -x
 
-image_size="6400M"
+image_size="6600M"
 img1="kubuntu-20.04.3-desktop-amd64.iso"
 img2="kubuntu-21.10-desktop-amd64.iso"
 bootimg="$img1"
@@ -43,6 +43,7 @@ cp packages "$workspace/part_files/packages"
 rm -f "$workspace/part.img"
 truncate -s "$image_size" "$workspace/part.img"
 mkfs.vfat -n "LIPSTICK" "$workspace/part.img"
+# Note: in *ubuntu 21.10 mcopy has a bug and option "-b" should be removed.
 MTOOLS_SKIP_CHECK=1 mcopy -i "$workspace/part.img" -b -s -v "$workspace/part_files"/* "$workspace/part_files"/.git ::
 rm -rf "$workspace/part_files"
 grub-mkimage --prefix "(hd0,msdos1)/boot/grub" --output "$workspace/grub.i386-pc.img" --format "i386-pc" part_msdos fat ext2 biosdisk
diff --git a/create_offlinerepo.sh b/create_offlinerepo.sh
index d1cf9b9a24421040cde0e561caf389a63e6f39b3..6cd847a8d5397e5b5c4490a23aa8d578f1e0ab28 100755
--- a/create_offlinerepo.sh
+++ b/create_offlinerepo.sh
@@ -36,7 +36,7 @@ apt-get -o Dir="$workspace"/offlinerepo/squashfs-root update
 {
 	apt-get -o Dir="$workspace"/offlinerepo/squashfs-root upgrade --print-uris -qq
 	apt-get -o Dir="$workspace"/offlinerepo/squashfs-root install --reinstall --print-uris -qq $packages
-} | cut -d"'" -f2 | while read url; do wget -q -nc -P "$dest" "$url"; done
+} | cut -s -d"'" -f2 | while read url; do wget -q -nc -P "$dest" "$url"; done
 apt-get -o Dir="$workspace"/offlinerepo/squashfs-root install --reinstall --print-uris -qq $packages
 
 mkdir -p "$dest/dists/$DISTRIB_CODENAME/lip/binary-amd64"
diff --git a/packages b/packages
index cba47a4d63a0cad6938a39657062504dc2a97cd7..8a59238aa3beaab6c39895e1d313eb311c254f2f 100644
--- a/packages
+++ b/packages
@@ -29,7 +29,7 @@
    P |wxmaxima|wxmaxima: Graphische Benutzeroberfläche für das Maxima Computer Algebra System
    p |liblapack-dev|LAPACK: Eine Standard-Numerik-Bibliothek für Physiker und Numeriker
    P |spyder spyder3|spyder: Python IDE (die, die in Anaconda benutzt wird)
-   P |jupyter-notebook|Python (Jupyter) Notebooks (Python 2 & 3)
+   P |jupyter-notebook|Python (Jupyter) Notebooks
     i|postgresql|postgresql: Datenbank-Server. Nett um in der Datenbanken-Vorlesungen Dinge auszuprobieren
     I|dia|dia: Graphisches Tool, um UML/ER Diagramme für die Vorlesungen Softwaretechnik und Datenbanken anzufertigen
     I|ghc|ghc: Glaskow Haskell Compiler für die Vorlesung Programmierung