query: Trying to update ubuntu 16.04 to 18.04
positive_passages.docid: 991
positive_passages.text: How can I fix apt error "W: Target Packages ... is configured multiple times"?
negative_passages.docid: 107548
negative_passages.text: Where can I download Ubuntu 16.04?
negative_passages.docid: 6833
negative_passages.text: Why is my Ubuntu 18.04 distribution asking me to upgrade to Pop!_OS 19.10?
negative_passages.docid: 155154
negative_passages.text: I am currently using 19.04 and I got "No new release found for 19.10"
negative_passages.docid: 77705
negative_passages.text: Unable to upgrade in ubuntu
negative_passages.docid: 51350
negative_passages.text: While updating the ubuntu 16.04 does not have a Release file Error
negative_passages.docid: 93942
negative_passages.text: How to fix "Failed to download repository information" error while updating?
negative_passages.docid: 8526
negative_passages.text: Upgrading from Ubuntu 16.04 to 18.04 broke the system completely!
negative_passages.docid: 43648
negative_passages.text: Why isn't an upgrade to 20.04 from 18.04 available yet?
negative_passages.docid: 78587
negative_passages.text: How do I update core to 8.5?
negative_passages.docid: 140893
negative_passages.text: Error when using apt-get update
negative_passages.docid: 123413
negative_passages.text: Will apt-get dist-upgrade upgrade my system to a newer version?
negative_passages.docid: 72152
negative_passages.text: Upgrading 16.04 to 16.04.1
negative_passages.docid: 58888
negative_passages.text: Change Ubuntu 17.04 to Ubuntu 16.04.2 LTS
negative_passages.docid: 9322
negative_passages.text: Software Updater Issue 16.04
negative_passages.docid: 28650
negative_passages.text: `apt-get update` cannot find Ubuntu servers
negative_passages.docid: 76905
negative_passages.text: Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application