Being the default file manager in Gnome and Ubuntu, Nautilus has done its job well. You can add bookmarks to your frequently used folders, view folders in tabs, connect to a remote server, right-click to extract zipped files, synchronize with Ubuntu One and many other useful stuff. However, sometimes you may find that it is a a bit lacking in some areas, like the ability to open folder in terminal, run file as administrators, mount ISO file etc. This is where Nautilus Action Extra comes into action.
Nautilus Action Extra is an action script for Nautilus that adds plenty of useful options to the context menu (the window that pop up when you right-click your mouse). Once installed, you will get feature like “Open file in terminal”, “open file as administrator”, “repair filename”, “check sum” and many other advanced options easily accessible from the context menu.
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The Zeitgeist Engine is a service that logs the users’s activities and events (files opened, websites visites, conversations hold with other people, etc.) and makes relevant information available to other applications. In the recent releases of Ubuntu, the Zeitgeist engine was installed by default, and that is why you are starting to see “Recent Files” showing up in your Nautilus file manager and other applications. 
The web browser is often the most used application on any given computer. We spend so much time using this application that it’s more utilitarian functions have taken precedence over design. However, all three major web browsers (Chrome, Internet Explorer, and Firefox) offer the ability to customize your browser with unique themes. In fact, 
Do you like the layout of your Facebook homepage? What about its color scheme? Or that the news ticker sidebar is pissing you off? Do you hide the chat box for good?
When you want to share a document, the usual way is to either send the other party an email with the document attached, or upload the document to a storage server, pass them the URL and they can visit the link to download the document. How about embedding a QR code on your document so that people can scan the QR code and have the document downloaded to their devices instantly?
If you have a bunch of FLAC audio files and you want to convert them to MP3 format so you can play them in your MP3 players, or iPhone/iPod Touch, here’s a software for you: FLAC to MP3 Converter.
The hottest news lately has to be the discovery of the CarrierIQ software residing in most Android phones. If you are still not aware, CarrierIQ is a tracking software that can track almost every single bit of information in your phone, including the characters you typed in your keyboard, the website you visited, the information stored in your phone and many more, without your knowledge and permission. Unlike most third party app where you have to install manually, this software comes in-built in the phone and since it lies at the kernel of the OS, it can’t be removed easily.
Previously, we have shown you how to 
Playing your YouTube playlist on a browser is easy. With a few simple clicks and you can sit back and enjoy your videos. In Android, the YouTube app comes with playlist creation and playback feature, but it is not immediately visible to the user. You will have to dig deeper into the options to access this feature. Here is where and how you can watch YouTube playlist in your Android devices.
If you are using the Gnome desktop and have played with the wallpaper (Appearance) settings, you will discover that there is an inbuilt slideshow feature that you can use to change the wallpaper at regular interval. While this is a useful feature, it is rather limited since it can only rotate among the default wallpapers and not your custom collection of wallpapers. For those who wish to create your own slideshow and don’t want to have a third-party wallpaper changing app running in the background, here’s how you can do it in Ubuntu.