Cannot use apt-get update: Repository ... does not have a release file
91685
Cannot Install anything on Kali Linux 2018
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
90937
apt-get update errors
74763
Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution)
43917
What is the difference between apt-get update and upgrade?
121470
How to install 'add-apt-repository' using the terminal?
11909
404 error with apt-get update, Don't have any PPA's
39053
16.04 apt-get update hangs
24603
apt-get upgrade gives "403 forbidden" error
84803
sudo apt get update gives error - The package cache file is corrupted
51350
While updating the ubuntu 16.04 does not have a Release file Error
113145
What does 'apt-get install update' do?
1520
How to install software or upgrade from an old unsupported release?
61177
How to set up an APT repository?
152479
Why are apt-get repositories hardcoded to a specific release?
75879
How do I get add-apt-repository to work through a proxy?
93574
E: Some index files failed to download. They have been ignored, or old ones used instead after apt-get update