We have already discussed how to install VirtualBox 2.1.0 in ubuntu one of the important change is Host interface networking made easy with Host Interface Networking, VirtualBox uses a device driver on your host system that filters data from your physical network adapter. This driver is therefore called a “net filter” driver.
Jeremy Allison's contributions to the free software world are legion, and yet the project he's best known for continues to be Samba, the open implementation of some of Microsoft's most important networking protocols.
The week-long Ubuntu Developer Summit (UDS) meets every six months at changing locations to discuss what will be in the next release of Ubuntu. The mostly unpublicized FOSScamp always meets the weekend before. The FOSScamp un-conference has no program, no invited speakers, and costs nothing. Like some sort of geek Woodstock but smaller, the Ubuntu hip just show up.
Canonical the makers of Ubuntu about to introduce a new desktop notification system proposal. New changes should improve the usability of the Linux desktop including desktop notification system for both GNOME and KDE. From the Mark Shuttleworth blog.
If you want to ssh your vps server or your home computer from your work place (assuming you are using http proxy).You need to use Corkscrew.

