query: PPA does not have a release date: apt update failed for some reason
positive_passages.docid: 10101
positive_passages.text: How can PPAs be removed?
negative_passages.docid: 119943
negative_passages.text: Where can I find a repository for older unsupported releases?
negative_passages.docid: 135985
negative_passages.text: Apt-get saying "Unable to correct problems, you have held broken packages."
negative_passages.docid: 63320
negative_passages.text: Ubuntu repository does not have a Release file
negative_passages.docid: 145400
negative_passages.text: Error when trying sudo apt-get update - Python related?
negative_passages.docid: 122742
negative_passages.text: Why does apt-get install a newer dependency than supported by the specified package
negative_passages.docid: 3298
negative_passages.text: How do I resolve unmet dependencies after adding a PPA?
negative_passages.docid: 35146
negative_passages.text: Will apt-get dist-upgrade upgrade my system to newer version?
negative_passages.docid: 90937
negative_passages.text: apt-get update errors
negative_passages.docid: 54998
negative_passages.text: What does "apt-get install !!" do and how to make it work?
negative_passages.docid: 41519
negative_passages.text: What can I do if a package is not available on the newest version of Ubuntu (18.04) but is available on older versions?
negative_passages.docid: 73357
negative_passages.text: Every package "has no installation candidate"
negative_passages.docid: 140893
negative_passages.text: Error when using apt-get update
negative_passages.docid: 139120
negative_passages.text: Intel Graphis card not updating. Problem with ppa?
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: 65
negative_passages.text: What can I do if a repository/PPA does not have a Release file?
negative_passages.docid: 21184
negative_passages.text: Running "sudo apt-get update" returns connection errors