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.
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 …