echo " \"^linux-image-extra-${kernel}$\";" >> "$config_file".dpkg-new
echo " \"^linux-signed-image-${kernel}$\";" >> "$config_file".dpkg-new
echo " \"^linux-backports-modules-.*-${kernel}$\";" >> "$config_file".dpkg-new
echo " \"^linux-image-extra-${kernel}$\";" >> "$config_file".dpkg-new
echo " \"^linux-signed-image-${kernel}$\";" >> "$config_file".dpkg-new
echo " \"^linux-backports-modules-.*-${kernel}$\";" >> "$config_file".dpkg-new