This bug was fixed in the package update-notifier - 3.192.1 --------------- update-notifier (3.192.1) bionic; urgency=medium
* Use a wrapper script of /bin/sh when calling check-new-release-gtk to workaround its requirement that the ppid not be 1. (LP: #1768748) -- Brian Murray <br...@ubuntu.com> Fri, 04 May 2018 15:42:00 -0700 ** Changed in: update-notifier (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1768748 Title: 17.10 to 18.04 upgrade: 'upgrade now' has no effect To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-notifier/+bug/1768748/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs