FM / postinst.d

/etc/kernel/postinst.d

Name	Size	Mode	Actions
apt-auto-removal	2903	0755	edit dl rm
initramfs-tools	893	0755	edit dl rm
unattended-upgrades	364	0755	edit dl rm
update-notifier	751	0755	edit dl rm
zz-shim	372	0755	edit dl rm
zz-update-grub	646	0755	edit dl rm

Edit: /etc/kernel/postinst.d/unattended-upgrades (364B)

#!/bin/sh case "$DPKG_MAINTSCRIPT_PACKAGE::$DPKG_MAINTSCRIPT_NAME" in linux-image-extra*::postrm) exit 0;; esac if [ -d /var/run ]; then touch /var/run/reboot-required if ! grep -q "^$DPKG_MAINTSCRIPT_PACKAGE$" /var/run/reboot-required.pkgs 2> /dev/null ; then echo "$DPKG_MAINTSCRIPT_PACKAGE" >> /var/run/reboot-required.pkgs fi fi