Also this bug claims the package is ignoring the frontend variable. It is not doing that; nothing in your output shows ncurses being invoked in non interactive mode.
Your problem is simply that if the package can't prompt, the installation can't succeed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2080297 Title: installed shim-signed package post-installation script subprocess returned error exit status 32 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/2080297/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs