query: sudo apt-get update not working Ubuntu 15.04
positive_passages.docid: 2694
positive_passages.text: How do I remove a malformed line from my sources.list?
negative_passages.docid: 38110
negative_passages.text: Error sudo: add-apt-repository: command not found
negative_passages.docid: 144214
negative_passages.text: Debian 8 apt-get update showing 404 Not Found
negative_passages.docid: 55372
negative_passages.text: Apt-get stuck at 0% [Working]
negative_passages.docid: 44313
negative_passages.text: How to run "sudo apt-get update" through proxy in commandline?
negative_passages.docid: 64509
negative_passages.text: Can't update from official repositories [Error 409]
negative_passages.docid: 73032
negative_passages.text: Installing apt-get
negative_passages.docid: 72082
negative_passages.text: Is using Software Updater the same thing as running apt-get update and apt-get upgrade?
negative_passages.docid: 73973
negative_passages.text: After typing "apt-get update" terminal says Could not open lock file
negative_passages.docid: 75879
negative_passages.text: How do I get add-apt-repository to work through a proxy?
negative_passages.docid: 5785
negative_passages.text: 'apt-get' does not work with Proxy
negative_passages.docid: 44044
negative_passages.text: apt-get install not work at all
negative_passages.docid: 12534
negative_passages.text: 14.04 --> 16.04 failed; apt (>= 1.0.1ubuntu2.13)' is not installed
negative_passages.docid: 151605
negative_passages.text: upgrading from 15.10 to 16.04 apt not installed
negative_passages.docid: 39732
negative_passages.text: How to fix apt-get install / update not working on my Kali Linux
negative_passages.docid: 21789
negative_passages.text: What does 'Ign' , `Get` or 'Hit' mean when running an apt-get update?
negative_passages.docid: 20398
negative_passages.text: dpkg broken after 15.04 upgrade fail