added generating iso part plus lotsa updated logic

COPY_OVER_TO_CHROOT/CLEANUP.sh

@@ -10,13 +10,15 @@ dpkg-divert --rename --remove /sbin/initctl
 
 
 # Remove old kernels
-ls /boot/vmlinuz-2.6.**-**-generic > list.txt
+ls /boot/vmlinuz-5.4.**-**-generic > list.txt
 sum=$(cat list.txt | grep '[^ ]' | wc -l)
 
 if [ $sum -gt 1 ]; then
-dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge
+    dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge
 fi
 rm list.txt
 
-# Remove the network stuff
+
+apt-get clean
+rm -rf /tmp/*
 rm /etc/resolv.conf