diff --git a/contrib/rootfs/offline_repo_packages b/contrib/rootfs/offline_repo_packages
index b28766b10f442030dd2cb80efa482f8e1e80d5ad..6e19ae2be216e0a432c54e19eed03541cc294b07 100644
--- a/contrib/rootfs/offline_repo_packages
+++ b/contrib/rootfs/offline_repo_packages
@@ -44,5 +44,8 @@ swi-prolog
 #Mathematik
 #Singular ist nicht in den Packetquellen :-(
 #Aber wir brauchen Abhängigkeiten
-libntl0
+libntl5
 libcdd0d
+normaliz
+surf-alggeo
+python-polybori
diff --git a/contrib/rootfs/offline_repo_packages.manualurls b/contrib/rootfs/offline_repo_packages.manualurls
index 0abce17f86be15ccf52cd6a8c889b3c0dfabdcf7..79a221ba07e417d61a4d7b8ec8e4284f82d2dad6 100644
--- a/contrib/rootfs/offline_repo_packages.manualurls
+++ b/contrib/rootfs/offline_repo_packages.manualurls
@@ -1,9 +1,23 @@
+#Singular
 #singular
-ftp://jim.mathematik.uni-kl.de/repo/ubuntu14/pool/main/s/singular/singular-bin_4.0.2-1_amd64.deb
-ftp://jim.mathematik.uni-kl.de/repo/ubuntu14/pool/main/s/singular/singular-bin_4.0.2-1_i386.deb
-ftp://jim.mathematik.uni-kl.de/repo/ubuntu14/pool/main/s/singular/singular-common_4.0.2-1_all.deb
-ftp://jim.mathematik.uni-kl.de/repo/ubuntu14/pool/main/s/singular/singular_4.0.2-1_amd64.deb
-ftp://jim.mathematik.uni-kl.de/repo/ubuntu14/pool/main/s/singular/singular_4.0.2-1_i386.deb
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/s/singular/singular_4.0.2+ds-1+b1_amd64.deb
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/s/singular/singular_4.0.2+ds-1+b1_i386.deb
+#singular-ui
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/s/singular/singular-ui_4.0.2+ds-1+b1_amd64.deb
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/s/singular/singular-ui_4.0.2+ds-1+b1_i386.deb
+#singular-data
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/s/singular/singular-data_4.0.2+ds-1_all.deb
+#singular-modules
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/s/singular/singular-modules_4.0.2+ds-1+b1_amd64.deb
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/s/singular/singular-modules_4.0.2+ds-1+b1_i386.deb
+#singular-doc
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/s/singular/singular-doc_4.0.2+ds-1_all.deb
+#libsingular4
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/s/singular/libsingular4_4.0.2+ds-1+b1_amd64.deb
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/s/singular/libsingular4_4.0.2+ds-1+b1_i386.deb
+#libflint-2.5.2
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/f/flint/libflint-2.5.2_2.5.2-3_amd64.deb
+ftp://ftp.halifax.rwth-aachen.de/debian/pool/main/f/flint/libflint-2.5.2_2.5.2-3_i386.deb
 
 #mainline kernel
 http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.3-rc2-unstable/linux-image-4.3.0-040300rc2-generic_4.3.0-040300rc2.201509201830_amd64.deb
diff --git a/contrib/rootfs/pre_installed_packages b/contrib/rootfs/pre_installed_packages
index 8b9e9a7948e90d49406a2bf4848fccd3279a9721..1bd85a8d45010bdc1eae378b07d02b6d36ad9195 100644
--- a/contrib/rootfs/pre_installed_packages
+++ b/contrib/rootfs/pre_installed_packages
@@ -18,7 +18,6 @@ automake
 cmake
 build-essential
 lvm2
-mencoder
 screen
 tofrodos
 efibootmgr