Kubuntu 11.10 authorization for software updates GUI

From a fresh install of Kubuntu 11.10, attempting to update your software through the “Software Updates” dialog will fail due to lack of permissions. To resolve this, run

sudo apt-get install polkit-kde-1

The Software Updates dialog will then correctly ask for an administrator password so it can make changes to the system.

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Ubuntu/Debian: see files installed by package

Checking the files installed by a package is easy enough with the Synaptic package manager (Right-click package > properties > installed files tab).

Here’s how to get that information without leaving the comfort (cough) of your bash terminal:

$ dpkg-query -L package_name

For example:

$dpkg-query -L flashplugin-installer
/.
/usr
/usr/lib
/usr/lib/xulrunner
/usr/lib/xulrunner/plugins
/usr/lib/mozilla
/usr/lib/mozilla/plugins
/usr/lib/iceape
/usr/lib/iceape/plugins
...