How can I prevent packages from being installed from Debian contrib with exceptions?
71555
How to block non-free with apt preferences?
77275
How is the authenticity of Debian packages guaranteed?
56591
Finding all software packages in Debian that provide a particular alternative
83683
Debian package containing combined systemd service and associated executed binary
116869
Is it possible to know from apt if the package was installed explicitly or as a dependency of another package?
55539
How to remove a specific package from dependency list of another package?
157396
Dependencies still exist in "dpkg -l" after running "apt-get remove dependencies-names"
25278
apt-get install with '-' (minus / hyphen) removes packages
60803
How to extract and install .deb without the command dpkg?
53588
How do remove the CD / DVD install as a source for apt-get packages when installing new features?
151411
How can I know if a virtual package is "installed" on a Debian system?
100294
Force non-interactive "dpkg --configure" when using apt-get install
67149
How can I install apt packages non-interactively?
127766
how to upgrade my Debian package with minor changes
54684
File corrupted, how do I reinstall packages on Debian?
6652
How to not install recommended and suggested packages?
24858
How do remove "Ignoring file in directory /etc/apt/sources.list.d/ as it has an invalid filename extension?