Existe um script bash para remover as dependências depois de remover os pacotes.
#!/bin/bash
OLDCONF=$(dpkg -l|grep "^rc"|awk '{print $2}')
CURKERNEL=$(uname -r|sed 's/-*[a-z]//g'|sed 's/-386//g')
LINUXPKG="linux-(image|headers|ubuntu-modules|restricted-modules)"
METALINUXPKG="linux-(image|headers|restricted-modules)-(generic|i386|server|common|rt|xen)"
OLDKERNELS=$(dpkg -l|awk '{print $2}'|grep -E $LINUXPKG |grep -vE $METALINUXPKG|grep -v $CURKERNEL)
YELLOW="3[1;33m"
RED="3[0;31m"
ENDCOLOR="3[0m"
if [ $USER != root ]; then
echo -e $RED"Error: must be root"
echo -e $YELLOW"Exiting..."$ENDCOLOR
exit 0
fi
echo -e $YELLOW"Cleaning apt cache..."$ENDCOLOR
aptitude clean
echo -e $YELLOW"Removing old config files..."$ENDCOLOR
sudo aptitude purge $OLDCONF
echo -e $YELLOW"Removing old kernels..."$ENDCOLOR
sudo aptitude purge $OLDKERNELS
echo -e $YELLOW"Emptying every trashes..."$ENDCOLOR
rm -rf /home/*/.local/share/Trash/*/** &> /dev/null
rm -rf /root/.local/share/Trash/*/** &> /dev/null
echo -e $YELLOW"Script Finished!"$ENDCOLOR
Copie o script e cole-o no seu editor de texto.E salve o arquivo com a extensão .sh (ie cleaner.sh) Clique com o botão direito do mouse no arquivo, escolha propriedades > > permissões e marque executar ..
Para executar este script, digite o seguinte no terminal.
sudo bash /path/to/the/script