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Is there any method on command line or a software that will download and upgrade/install all unmet(missing or outdated) dependencies for a package automatically.
There are some packages that have missing dependencies or some times the dependent package is of old version.

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To upgrade all unmet dependencies of a package, you should install the package then run apt-get -f install.

Here's what you should generally do when you have unmet dependencies. First:

sudo apt-get update
sudo apt-get upgrade

The first command updates the package index, and the second upgrades any packages you have installed.

Then install your package using dpkg -i <packagename>. Then do:

sudo apt-get -f install 
sudp dpkg -a --configure

The first command goes out and looks for the dependencies and installs/upgrades them, and the second one continues the installation of your package (this is usually done by the first command anyways).

If you are getting errors, please copy and paste the exact commands you have used and the exact output you see. In your comment on the other answer, you mentioned you're not getting "unmet dependencies", so please clarify your question again and state exactly what you want to do.

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Run the following command in the terminal

sudo apt-get -f install

It will install any dependencies that are missing.

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  • i am not getting 'unmet dependencies' error. so this method cant work – Edward Torvalds Nov 19 '14 at 9:27

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