query: sudo apt-get update: CD-ROM does not have a release file
positive_passages.docid: 22164
positive_passages.text: Problem with sudo apt get update: The repository cdrom... does not have a Release file
negative_passages.docid: 30754
negative_passages.text: Cannot update: "No available releases found"
negative_passages.docid: 15183
negative_passages.text: Elementary OS PPA gives “The repository does not have a Release file.” error
negative_passages.docid: 21789
negative_passages.text: What does 'Ign' , `Get` or 'Hit' mean when running an apt-get update?
negative_passages.docid: 28650
negative_passages.text: `apt-get update` cannot find Ubuntu servers
negative_passages.docid: 13399
negative_passages.text: Why can I no longer (un)install packages via apt-get after doing a partial dist-upgrade?
negative_passages.docid: 10633
negative_passages.text: software updater failed to download repository information
negative_passages.docid: 80899
negative_passages.text: "no public key available" on apt-get update
negative_passages.docid: 10193
negative_passages.text: Failed to download repository information due to missing CDROM
negative_passages.docid: 13744
negative_passages.text: sudo apt-get update failing - "could not open" list file due to "permission denied"
negative_passages.docid: 117728
negative_passages.text: sudo apt update error
negative_passages.docid: 122274
negative_passages.text: Release file for http://archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease is not valid yet
negative_passages.docid: 1520
negative_passages.text: How to install software or upgrade from an old unsupported release?
negative_passages.docid: 103929
negative_passages.text: sudo apt upgrade error 18.04 (Broken Packages)
negative_passages.docid: 144036
negative_passages.text: sudo apt-get curl and sudo apt-get wget gives "Invalid operation"
negative_passages.docid: 66694
negative_passages.text: Is there an apt command to download a deb file from the repositories to the current directory?
negative_passages.docid: 115648
negative_passages.text: dpkg exit with error "cannot scan updates directory `/var/lib/dpkg/updates/': No such file or directory", how to fix it?