Take the 2-minute tour ×
Ask Ubuntu is a question and answer site for Ubuntu users and developers. It's 100% free, no registration required.

Is there a way to find out from which Package-Installation a certain package was installed as Dependency?

share|improve this question

2 Answers 2

up vote 3 down vote accepted

You could check /var/log/apt/history.log for a log entry.

Also, there are several ways to check for reverse dependencies:

apt-cache rdepends packagename

Will show you all packages that depend on packagename. Also those that are not installed, though. Better would be:

aptitude why packagename

This might require to install aptitude Install aptitude

if everything else fails, try to remove the package in question and look at which other packages would be removed because of your decision. Remember to answer "n" to the "are you sure?" question.

share|improve this answer

In a Terminal, try aptitude why $package.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.