It looks like there may be an issue with the release-upgrader and how it checks mirrors to see if they are active / available and communicating via ftp. If you want to upgrade you might consider changing the communication method from ftp to http.
** Summary changed: - upgrade auf ubuntu 18.04 wird abgebrochen + mirror download check fails with ftp? ** Changed in: ubuntu-release-upgrader (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1878019 Title: mirror download check fails with ftp? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1878019/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
