Remove all non-existent repositories in Ubuntu
133
How can I fix a 404 Error when using a PPA or updating my package lists?
128074
How do I remove a directory and all its contents?
44068
Can I purge configuration files after I've removed the package?
5617
How to delete old packages installed by pacman in Arch Linux?
19087
How do I recreate a deleted '/var/lib/dpkg' directory?
85584
Why doesn't apt-get autoremove remove my old kernels?
40219
Remove all packages installed from a PPA?
72297
are there any way to find the true package which I want to uninstall on Ubuntu?
21620
How can I Remove .DS_Store files from a Git repository?
60082
Cleaning Ubuntu temporary files if they exist
95630
how to delete files in the remote repository?
85326
How do I remove kubuntu-full and all it's applications?
145917
Removing broken packages on distro update (13.04 to 13.10)
67465
How do you completely remove ubuntu-desktop along with all installed packages with it?
36938
How to remove an uninstalled package's dependencies?
39582
Difference between "ppa-purge" and "add-apt-repository -r"?
113341
Using zypper, how can I remove all packages installed from a specific repository?