In Ubuntu Oneiric, the default desktop session is the Unity Desktop (or Unity 2D depend on your hardware capabilities). If you have set the computer to auto-login to your desktop whenever you boot up, it will always login to the Unity desktop, even though you have installed Gnome-shell or classic Gnome. It doesn’t matter which desktop session (Gnome shell, classic gnome or Unity) you are using before you shut down, because on the next boot up, it will automatically login to the Unity desktop again. If you have Gnome shell installed, here’s how you can change the auto-login to Gnome shell instead of the Unity desktop.
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If you have used Gnome Shell in Ubuntu Oneiric, one of the things you might realize is that the “Alt + F2″ shortcut keys to open the Run prompt is no longer working. In fact, the “Alt + F2″ shortcut keys was disabled for unknown reason. After the “
Since its official inclusion in KDE, the 
The appmenu (also known as the global menu) in Ubuntu Oneiric can be both a useful and annoying feature. When it is in action, it reduces the screen space required to render the menu bar. If you are using a computer with small screen, this is very useful for you. On the other hand, if you have a large screen, having to move your mouse to the top left corner of the screen every time you want to access the menu can be a troublesome chores.
Ubuntu Oneiric, while added much improvements to its Unity desktop, also brought lot of changes that make it more confusing and difficult to use. Users who have come from previous version of Ubuntu will find that some of their favourite applications are missing and replaced with another application that is either more resource intensive or more difficult to use. New users will also be confused where they can find all their applications and system settings. In this tutorial, we provide a simple user guide to help you familiarize with Ubuntu Oneiric.
Video game consoles, particularly the Xbox 360 and PlayStation 3, are increasingly becoming more than just gaming devices. They have become complete entertainment systems. You can now watch Netflix, Hulu, YouTube, and other streaming video content. You can purchase and listen to music, and with the new Xbox 360 dashboard update coming this fall, you can even watch exclusive live content from cable providers.
I think it’s safe to say that most people familiar with both Linux and Windows would tell you that your average Linux install would outperform an equivalent Windows install on the same machine. That may not always be the case, and some people might have contradictory stories to share, but that’s sure been this author’s experience. In fact 
It used to be very easy to install custom themes in Gnome 2, but if you have upgraded to Gnome Shell, particularly in Ubuntu Oneiric, you will find that there are not much customization options available for you. While Gnome Shell supports theming, there doesn’t seem to be an option for you to switch to the theme you want. For those who are tired of the default look in your Gnome Shell, here is how you can easily install and switch to a custom theme.
A while back, we listed 
There comes a time when you need to convert one or more files to another format. Say, for example, you have a bunch of .rtf files that you want to turn into OpenDocument files. Chances are you don’t need to do that too often, but when the time comes, opening each file in a word processor and saving it can be a real chore.