I too needed to know when security packages were available so I cooked my own (*) wrapper around /usr/lib/update-notifier/apt-check. It works well and also provides perf_data for those who'd like to visualize the package availability.
*: https://github.com/simondeziel/custom-nagios- plugins/blob/master/plugins/check_apt_upgrade -- You received this bug notification because you are a member of Ubuntu Server Team, which is a bug assignee. https://bugs.launchpad.net/bugs/1031680 Title: check_apt always report 0 critical updates To manage notifications about this bug go to: https://bugs.launchpad.net/nagios-plugins/+bug/1031680/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs