Wrong repositories in Ubuntu
120
How do I restore the default repositories?
121470
How to install 'add-apt-repository' using the terminal?
131474
How to only install updates from a specific repository?
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
12054
How do I deal with "unauthenticated sources" errors in the Software Center?
63320
Ubuntu repository does not have a Release file
144022
How to install a package from a local repository?
79163
Sources missing in /etc/apt/sources.list, how do I get them back?
65
What can I do if a repository/PPA does not have a Release file?
152479
Why are apt-get repositories hardcoded to a specific release?
110896
Package installation - Outdated repository
44149
Unity shows wrong distribution name
82035
Debian: The repository does not have a Release file
37226
Two git repositories in one directory?
2280
Package system is broken. How to fix it?
46424
Cannot update software center repositories
31715
I set /usr/bin, /usr/lib, and /usr/share to be owned by my regular user and now I am getting interesting errors