query: apt-get upgrade gives GPG Error
positive_passages.docid: 6809
positive_passages.text: How do I fix the GPG error "NO_PUBKEY"?
negative_passages.docid: 43579
negative_passages.text: I cannot install new packages: "Could not get lock /var/lib/dpkg/lock"
negative_passages.docid: 102441
negative_passages.text: Having trouble with apt-get upgrade and removing KDE Plasma
negative_passages.docid: 84988
negative_passages.text: apt-get build-dep is unable to find a source package
negative_passages.docid: 12592
negative_passages.text: Unable to 'apt-get dist-upgrade' due to appstreamcli database error
negative_passages.docid: 84309
negative_passages.text: How to resolve E: Internal Error when using apt-get remove?
negative_passages.docid: 122588
negative_passages.text: Can't connect to ubuntu archive when using apt-get update
negative_passages.docid: 66065
negative_passages.text: "Unable to connect" error with apt-get?
negative_passages.docid: 13970
negative_passages.text: Why am I not getting the Ubuntu 18.04 upgrade?
negative_passages.docid: 12534
negative_passages.text: 14.04 --> 16.04 failed; apt (>= 1.0.1ubuntu2.13)' is not installed
negative_passages.docid: 56150
negative_passages.text: Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
negative_passages.docid: 84537
negative_passages.text: Using dpkg to install upgrade and dist-upgrade packages
negative_passages.docid: 135575
negative_passages.text: How to fix a "Failed to fetch binary-armhf/Packages" error during apt-get update?
negative_passages.docid: 40885
negative_passages.text: What should I do when I got the KEYEXPIRED error message after an apt-get update?
negative_passages.docid: 65099
negative_passages.text: Unable to install any updates through update manager/apt-get upgrade
negative_passages.docid: 21382
negative_passages.text: What does "sudo apt-get update" do?
negative_passages.docid: 35152
negative_passages.text: Dependency errors for python3 and many others when I run sudo apt-get upgrade