When an apt package is flagged as "automatically installed", is it possible to view which package triggered the installation?
116869
Is it possible to know from apt if the package was installed explicitly or as a dependency of another package?
81981
How to test if package is installed?
77762
What are post-installation triggers?
33930
How to unload automatically loaded packages?
79410
How do I find out which repository a package comes from?
16502
How can I know the dependencies of a certain package?
75915
Where can I find a complete list of packages that I have installed after initial installation?
7101
How to find out which (not installed) Debian package a file belongs to?
46155
What does apt-get install do under the hood?
35508
How to find program name(s) of an installed package?
53498
How do I find packages to install via apt-get
115802
How to programmatically detect if a LaTeX package is installed?
27076
How to see package version without install?
132021
How do I find the files installed by a particular package? Where is the .deb file to look at?
53588
How do remove the CD / DVD install as a source for apt-get packages when installing new features?
70138
How can I find out what modifications a program’s installer makes?
18052
How to remove/install a package that is not fully installed?