You can read /var/log/apt/term.log yourself. Embedding that nicely seems hard, but then again, apport should have shown you the messages when you reported the bug?
As the log tells you, you have installed the postfix mail server, but configured an invalid hostname "04": newaliases: warning: valid_hostname: numeric hostname: 04 newaliases: fatal: file /etc/postfix/main.cf: parameter mydomain: bad parameter value: 04 ** Changed in: update-manager (Ubuntu) Importance: Undecided => Wishlist -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1938389 Title: package operation fails but gives no reason why To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1938389/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
