query: Ubuntu 18.04.1 LTS update does not work - no release file / GPG errors
positive_passages.docid: 6809
positive_passages.text: How do I fix the GPG error "NO_PUBKEY"?
negative_passages.docid: 103929
negative_passages.text: sudo apt upgrade error 18.04 (Broken Packages)
negative_passages.docid: 9901
negative_passages.text: How to upgrade from 18.10 to 19.10, using the command line?
negative_passages.docid: 136237
negative_passages.text: After update, get "error: file not found." followed by "grub rescue> _"
negative_passages.docid: 13107
negative_passages.text: How to install updates via command line?
negative_passages.docid: 35190
negative_passages.text: "Software Updater" & "Software & Updates" not working
negative_passages.docid: 8525
negative_passages.text: Error Updating: izx/askubuntu/ubuntu xenial Release' does not have a Release file
negative_passages.docid: 94793
negative_passages.text: How do you run update-grub?
negative_passages.docid: 54571
negative_passages.text: How do I install the latest version of Git with apt?
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: 11909
negative_passages.text: 404 error with apt-get update, Don't have any PPA's
negative_passages.docid: 23096
negative_passages.text: How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
negative_passages.docid: 4305
negative_passages.text: How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
negative_passages.docid: 100963
negative_passages.text: How to only perform LTS upgrades?
negative_passages.docid: 28650
negative_passages.text: `apt-get update` cannot find Ubuntu servers
negative_passages.docid: 110203
negative_passages.text: When will the next LTS version of Ubuntu be released?
negative_passages.docid: 84053
negative_passages.text: Is upgrading from LTS to LTS as reliable as doing a fresh install?