Hot answers tagged dependencies
This resembles the question How do I find the package that provides a file? Since you are looking for packages you don't have in your system, I recommend using apt-file search <header file>. You can fine-tune your search to avoid expansion (that is, do not list foocrypto.html if you are looking for crypto.h). Your command would look like apt-file -x ...
<pkg> Depends: <an_other_pkg> (>= version X.X.X) but it is not installable This package depends on other package version X.X.X which isn't installable because the needed package is no longer available in the repositories. So it is not installable.
libqt3-mt is old Qt3 deprecated lib in favor of Qt4. It is available only in Lucid and Precise repositories: http://packages.ubuntu.com/search?keywords=libqt3-mt Download Precise package from (choose a mirror): http://packages.ubuntu.com/precise/libqt3-mt Example, 64bit: wget ...
Problem was that package playonlinux has dependencies those have its own dependencies. So add the not going to be installed packages to the main installation list. sudo apt-get install playonlinux python-wxgtk2.8 mesa-utils primus-libs
Make sure that you have all checked under Software & Updates --> Update tab, then do sudo apt-get update && sudo apt-get upgrade An easier way to install, just press Ctrl+Alt+T on your keyboard to open Terminal. When it opens, run the command(s) below: wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add - ...
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