A light and eye-candy dock to launch your programs .It uses Cairo / OpenGL to render graphics (many in correlation with Compiz) with full hardware acceleration. It's fully configurable and fully customisable and can be used as a taskbar too. You can easily add applets in the dock or as a desklet. It is recommended to install the PLUG-INS package (cairo-dock-plug-ins) to have acces to more views, dialogs and many plug-ins and applets.
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If you're like me you have an iPhone and a portable computer running Ubuntu and you would like to have mobile internet without paying for an extra data plan from your carrier. Thanks to a few devoted individuals tethering the iPhone to Ubuntu is simple. The only prerequisite is that you must have an iPhone 3G or 3GS running OS 3.0 or higher. If you're running 3.0 then you can do this without jail breaking your phone by installing a modified carrier profile. However, if you're on OS 3.1+ then you will need to jail break your phone to install the modified carrier profile.
I am not a linux veteran, so i am giving as much info as posible , so that those who know better can use this information as needed.
Xrandr is used to set the size, orientation and/or reflection of the outputs for a screen. It can also set the screen size. There are a few global options; the rest modify a particular output and follow the specification of that output on the command line.
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Enna is a lightweight XBMC concurrent, developped by the GeeXboX team as its distribution brand new user interface. Enna allows you to listen to your favorite music, watch your movies and TV shows, browse through your personnal photos and read comics and mangas from over the Internet.

