ubuntu-bug is a symlink to apport-bug which is part of the apport package. The package and hence both commands should be installed by default. Do you have the apport package installed?
** Package changed: ubuntu => apport (Ubuntu) ** Tags added: bionic ** Changed in: apport (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1883690 Title: ubuntu-bug - where and how? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1883690/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs