> Copying those sources as-is into /etc/apt/sources.list.d/ubuntu.sources works fine for me
The problem not in "sources" file but "empty" /etc/apt/sources.list Upgrader say about it "No valid sources.list entry found While scanning your repository information no entry about mantic could be found." But maybe I did not correct understand what are you saying about. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2047447 Title: No valid source.list found while upgrading from mantic to noble To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/2047447/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
