How to install skype in UBUNTU Linux

Please follow th following link:

http://www.cyberciti.biz/faq/linux-ubuntu-skype-download-installation/

how to configure vpn-client in BOSS4.0?

Please find a very nice explanation here:
http://howto.landure.fr/gnu-linux/debian-4-0-etch-en/install-and-setup-openvpn-on-debian-4-0-etch

Unable to install BOSS 4.0 on Hp Laptop 8510P

Problem: Trying to install BOSS 4.0 on My HP laptop 8510P but it halts at software selection......



Solution: press ctlr+alt+f4 / f5 in the hanging place and check what is wrong..
               the  DVD  may be corrupted..