Skype for Linux now is officially in the Ubuntu repository after Lucid just by enable partner repo. Also there’s an alternative if you want to try the latest version on your machine, and following is how to do it.
First, open up a terminal window under Applications -> Accessories -> Terminal to type commands. Run following to install dependences:
sudo apt-get install libqt4-dbus libqt4-network libqt4-xml libasound2
Then, download Skype from the official site: http://www.skype.com/intl/en-us/get-skype/on-your-computer/linux/. Or use
wgetcommand in CLI:
Finally, install Skype with the command:
sudo dpkg -i skype-*.deb sudo apt-get -f install