apt - reinstall with all default config files
1104
How can I restore configuration files?
144843
Linux: how to restore config file using apt-get/aptitude?
24368
How can I list all files which have been installed by an APT package?
1687
How to revert software sources back to default?
44068
Can I purge configuration files after I've removed the package?
65341
dpkg reports problems configuring huge list of python-related packages after any APT command
17016
How do I restore .bashrc to its default?
75915
Where can I find a complete list of packages that I have installed after initial installation?
86913
How to create a list of installed packages for easy/automatic reinstall after disk is formatted
94603
Where are packages stored installed with APT in Ubuntu 16.04?
67465
How do you completely remove ubuntu-desktop along with all installed packages with it?
16782
Install packages from newer release without building (apt pinning)
9086
How to get apt back after uninstalling it
1159
Apt/Synaptic needs to reinstall package but can't find the archive for it
143822
How can I reinstall Apache HTTPD after deleting some of the configuration files?
69200
How do I reinstall Ubuntu Software in Ubuntu 20.04 LTS version?
1661
How do I set the default program?