Sometimes you have lots of packages .deb that you would like to use APT to
install so that the dependencies would be automatically solved. Solution:
-mkdir ~debs
+mkdir debs
dpkg-scanpackages debs /dev/null | gzip > debs/Packages.gz
echo " deb file:/root debs/" >> /etc/apt/sources.list
dpkg-scansources debs | gzip > debs/Sources.gz