Per tankdriver's comment, if old kernels cannot be automatically and safely removed somehow then Software Updater's automatic security updates will start failing after three or four kernel updates.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1183692 Title: Not enough disk space for kernel security update on /boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1183692/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs