UPDATE: Skype has now been uploaded to the “partner” official Ubuntu 10.04 Lucid Lynx repository. See Install Skype in Ubuntu 10.04 Lucid Lynx from official partner repository
Command Line way
Get the package:
$ wget http://www.skype.com/go/getskype-linux-beta-ubuntu-32
$ wget http://www.skype.com/go/getskype-linux-beta-ubuntu-64
You will need to install the following libraries.$ sudo apt-get install libqt4-dbus libqt4-network libqt4-xml libasound2
Now install skype(the file u just downloaded, may be named intrepid-ibex)$ sudo dpkg -i skype-XXXXXXXXXXXX.deb
If you still get some dependency error then just type the command below$ sudo apt-get -f install
this will install the dependencies and the skype.
Non - TerminalDownload the setup
libqt4-dbus libqt4-network libqt4-xml.
Goto Synaptic manager and install them.
Now Launch the Skype install .deb file (just double click it) and
follow the on screen prompts.
(To start Skype at system startup)Go to "System -> Preferences -> Startup Application", Click "Add"
and enter the following details:
Next time you start your system Skype will auto-launch.