What are dependencies in Ubuntu?

What are dependencies in Ubuntu?

A dependency is a file that something you are trying to install requires. You can see what dependencies something requires at packages.ubuntu.com. For instance http://packages.ubuntu.com/saucy/firefox. You can see that firefox has dependencies, recommends and suggests.

What does APT list do?

Listing Packages ( apt list ) The list command allows you to list the available, installed and, upgradeable packages. The command will print a list of all packages, including information about the versions and architecture of the package.

How to list dependencies in apt / get-s?

In addition to other good answers, an APT/APT-GET -s does a “simulated” removal (or install). Using -s or –simulated to remove (or install) packages, will normally list any dependencies affected. It will show orphaned packages when removing, or needed dependencies when installing without actually executing the install or remove.

How to download recursive dependencies of a package in Ubuntu?

Today, we will see how to download recursive dependencies of a package in Ubuntu. In other words, we are going to download the dependencies of dependencies. Let us say you are trying to install a package named a.deb. The a.deb package depends on package b.deb and again package b.deb depends on package c.deb.

How to get list of dependencies in aptitude?

In order to research what caused the installation of a given package, I’d like to get a list of packages which depend on that package. I couldn’t find anything obvious in man dpkg. By default, it only lists the “most installed, strongest, tightest, shortest” reason, but you can use aptitude -v why to make it output everything it finds.

Is there a way to list all dependencies?

There is more than one way, with each method showing a different output. which does not require you to install any package. In addition to other good answers, an APT/APT-GET -s does a “simulated” removal (or install). Using -s or –simulated to remove (or install) packages, will normally list any dependencies affected.