To give a specific user access to sudo without having to enter a password you have to edit the /etc/sudoers configuration file. For security reasons you should only edit the file using the visudo command.

$ sudo visudo

In Ubuntu the following lines are placed at the bottom of /etc/sudoers by default. This gives your default [...]

To get Skype audio working with Ubuntu Intrepid Ibex (Ubuntu 8.10) and Dell XPS M1530/M1330 requires a few changes to the standard install.
Make sure you have added the medibuntu repository and installed Skype.
You need to enable the embedded microphone. Go to Volume Control by clicking on the volume icon. In Preferences select Digital Input Source. [...]

The Medibuntu repository (Multimedia, Entertainment & Distractions In Ubuntu) contains packages that cannot be included into the Ubuntu distribution for legal reasons. Some of these packages include Skype Acrobat Reader, Google Earth, and multimedia codecs.
Add Medibuntu to your sources.list. Make sure you specify the correct version of your distribution. This example uses Intrepid Ibex [...]