The Problem: I am a keyboard person. I love to use the keyboard to navigate through webpage and scroll up/down the content. It becomes a hassle when I have to shift my hand to the mouse every time I want to click a link or select an item.
The Solution: Need to bind a keyboard shortcut for the left mouse click, and probably move the cursor around.
Apparently, this is very easy in Ubuntu (probably in other Gnome based distro too). Many tutorials will tell you to install xbindkeys and go through complex steps to map the shortcut key.
Here is one quick and dirty way:
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Although some might consider it blasphemous, the default KDE desktop is not a style everyone automatically likes. If it were, KDE-Look.org would not be filled with desktop themes, window manager themes, and more. KDE is all about customization, and the ability to make it look however you want is part of that.
There are thousand and one ways to launch application in Linux. You can use the Application menu, via the dock, use a app launcher like Synapse or Gnome Do or simply press “Alt + F2″ and type the name of the application. Gnome Pie is yet another application launcher that allows you to quickly launch your applications, except that it is slick and highly configurable.
How do you usually resize a window? Move your mouse pointer to the corner of the window and click to resize it, simple, right? Well, if you are using Gnome (Linux), resizing an application window can be a hit or miss affair. In some applications (such as Nautilus), the corners width are huge and you can easily click and drag to resize them. However, in other applications, the sidebar and corner width is only a pixel wide and moving your mouse cursor to that exact point (where the cursor become the resize arrowhead) can be a tedious task.
By default, Ubuntu comes with a set of keyboard shortcut that you can use straightaway. However, some of these keyboard shortcuts might not be desirable, troublesome, or obstructive and disrupting your productivity. For example, if you have a keyboard with a media button, that button is automatically mapped to Rhythmbox. If your favorite media player is Banshee, or Exaile, you might want to change the keyboard shortcut to your favorite application.
There are no short of wallpaper changers for Linux – 
For those who are tired of the top Gnome panel taking up the full length of the screen, you can now try out Wing Panel to free out the extra space. 
Have you ever installed a new Linux window manager or desktop environment, only to find that it doesn’t show up on the Sessions list in GDM? Have you ever wanted to remove items from that list? How about create a new list item so that you can boot into a custom desktop environment? It sounds like it should be simple, but many people are surprised by the fact that this small task is actually a bit tricky, and there’s very little documentation to help. We hope to resolve that today with a quick and simple guide to editing your GDM Sessions menu.
Many people still cling to the notion that Linux is for 30-year-old male geeks. While that may be true, there are plenty of other people of all ages, ethnicities, and genders who enjoy Linux and other free and open source software.