Tested 1.1ubuntu1.18.04.7~16.04.2 on Xenial.
root@x-uu-lp-1260041:~# yes no |apt-get autoremove Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: linux-image-4.8.0-53-generic linux-image-extra-4.8.0-53-generic 0 upgraded, 0 newly installed, 2 to remove and 10 not upgraded. After this operation, 234 MB disk space will be freed. Do you want to continue? [Y/n] Abort. root@x-uu-lp-1260041:~# ls /var/run/reboot* ls: cannot access '/var/run/reboot*': No such file or directory root@x-uu-lp-1260041:~# apt-get autoremove Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: linux-image-4.8.0-53-generic linux-image-extra-4.8.0-53-generic 0 upgraded, 0 newly installed, 2 to remove and 10 not upgraded. After this operation, 234 MB disk space will be freed. Do you want to continue? [Y/n] (Reading database ... 53554 files and directories currently installed.) Removing linux-image-extra-4.8.0-53-generic (4.8.0-53.56~16.04.1) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.8.0-53-generic /boot/vmlinuz-4.8.0-53-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.8.0-53-generic /boot/vmlinuz-4.8.0-53-generic update-initramfs: Generating /boot/initrd.img-4.8.0-53-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.8.0-53-generic /boot/vmlinuz-4.8.0-53-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.8.0-53-generic /boot/vmlinuz-4.8.0-53-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.8.0-53-generic /boot/vmlinuz-4.8.0-53-generic Removing linux-image-4.8.0-53-generic (4.8.0-53.56~16.04.1) ... Examining /etc/kernel/postrm.d . run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.8.0-53-generic /boot/vmlinuz-4.8.0-53-generic update-initramfs: Deleting /boot/initrd.img-4.8.0-53-generic run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.8.0-53-generic /boot/vmlinuz-4.8.0-53-generic root@x-uu-lp-1260041:~# ls /var/run/reboot* ls: cannot access '/var/run/reboot*': No such file or directory root@x-uu-lp-1260041:~# dpkg -l unattended-upgrades | cat Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-===================-==========================-============-=========================================== ii unattended-upgrades 1.1ubuntu1.18.04.7~16.04.2 all automatic installation of security upgrades ** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial ** Tags removed: verification-needed ** Tags added: verification-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1458204 Title: removing kernels should not require a restart afterward To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unattended-upgrades/+bug/1458204/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs