query: update ubuntu 18.04
positive_passages.docid: 46720
positive_passages.text: sudo apt update error: "Release file is not yet valid"
negative_passages.docid: 154072
negative_passages.text: Ubuntu 17.10 doesn't show up in update-manager
negative_passages.docid: 75798
negative_passages.text: How to upgrade to the latest GNOME version?
negative_passages.docid: 35973
negative_passages.text: Ways to update Ubuntu (debian-based distros) offline
negative_passages.docid: 967
negative_passages.text: How can I avoid "please insert CD/DVD" error when updating Ubuntu?
negative_passages.docid: 1520
negative_passages.text: How to install software or upgrade from an old unsupported release?
negative_passages.docid: 57980
negative_passages.text: "Software" and "OS Updates"available in Ubuntu Software
negative_passages.docid: 74079
negative_passages.text: How to Upgrade Ubuntu 12.04.2, 12.04.3 to 12.04.4, the next Hardware Enablement Stack?
negative_passages.docid: 103929
negative_passages.text: sudo apt upgrade error 18.04 (Broken Packages)
negative_passages.docid: 20399
negative_passages.text: How do I upgrade from 14.04 LTS to 16.04.1 LTS?
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: 34373
negative_passages.text: Where can I get the latest Ubuntu Alpha or Beta?
negative_passages.docid: 130900
negative_passages.text: Disable automatic updates ubuntu 18.04
negative_passages.docid: 117557
negative_passages.text: When will Ubuntu 18.04 release and at what time?
negative_passages.docid: 35146
negative_passages.text: Will apt-get dist-upgrade upgrade my system to newer version?
negative_passages.docid: 31506
negative_passages.text: How do I update Ubuntu manually?