It does appear, however, that despite the above comment (which I think highlights ways we can make this foot a smaller target), this definitely began with human error:
Start-Date: 2018-08-14 13:37:10 Commandline: apt dist-upgrade Install: linux-headers-4.15.0-32-generic:amd64 (4.15.0-32.35, automatic), linux-headers-4.15.0-32:amd64 (4.15.0-32.35, automatic) Upgrade: linux-headers-generic:amd64 (4.15.0.31.33, 4.15.0.32.34), linux-libc-dev:amd64 (4.15.0-31.33, 4.15.0-32.35) Remove: linux-signed-generic:amd64 (4.15.0.31.33), linux-generic:amd64 (4.15.0.31.33) End-Date: 2018-08-14 13:37:16 That's a manual apt dist-upgrade which would have asked for confirmation on that removal. unattended-upgrades alone would have never gotten into this situation, as it won't remove to force an upgrade. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1787460 Title: Unattended upgrades removed linux-image-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unattended-upgrades/+bug/1787460/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs