Googling a bit I found an old Debian discussion on https://lists.debian.org/debian-devel/2015/08/msg00548.html which state that packagekit creates the offline update file when a client requests for one. Did you use gnome-software and if so what did you click in there exactly?
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1775226 Title: Gnome Software offers installation of updates on shutdown independently from update-manager and unattended-upgrades To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1775226/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
