query: do-release-upgrade failed when migrating Ubuntu 14.04 -> 16.04
positive_passages.docid: 1520
positive_passages.text: How to install software or upgrade from an old unsupported release?
negative_passages.docid: 80233
negative_passages.text: Upgrade to 20.04 from 19.10 isn't available
negative_passages.docid: 76241
negative_passages.text: "no public key available" while upgrading using update-manager
negative_passages.docid: 123413
negative_passages.text: Will apt-get dist-upgrade upgrade my system to a newer version?
negative_passages.docid: 61473
negative_passages.text: Failed to fetch because of size mismatch error while upgrading
negative_passages.docid: 74990
negative_passages.text: Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
negative_passages.docid: 115421
negative_passages.text: Ubuntu 13.10 to 14.04 Lts does not upgrade, keeps showing error
negative_passages.docid: 129101
negative_passages.text: Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
negative_passages.docid: 101923
negative_passages.text: Laravel 4.1 Run migrations and update configuration from package dependencies
negative_passages.docid: 64558
negative_passages.text: What does `do-release-upgrade` really do?
negative_passages.docid: 24165
negative_passages.text: Upgrade to version newer than repositories
negative_passages.docid: 112955
negative_passages.text: How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?
negative_passages.docid: 48809
negative_passages.text: "The upgrade has aborted" error, how to proceed?
negative_passages.docid: 11166
negative_passages.text: "Require Installation Of Untrusted Packages" while upgrading with the update manager
negative_passages.docid: 35093
negative_passages.text: Upgrading from the command line?
negative_passages.docid: 2136
negative_passages.text: How to roll back Ubuntu to a previous version?
negative_passages.docid: 15870
negative_passages.text: dpkg-divert: error: rename involves overwriting error after upgrading from 16.04 to 16.10