I was totally annoyed by "Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable) E: Unable to lock the list directory" error recently. I used to get this error, but not this frequent anytime before. And I had to completely restart the system to avoid getting the error message. Here are some of the things that can went wrong.
From its humble beginning a decade ago, Firefox is now a force to reckon with. Firefox 3.5 is now the most popular web browser in the world, which is an astonishing feat, when you consider the fact that, web was all about Windows and IE till a few years ago. Now, to all those Firefox fanboys, let me introduce, 15 awesome Firefox Wallpaper collection.

Firefox Wallpaper
A lot of Ubuntu support weblogs have sprung up in the last few years and some of them are really good. Here are 5 of the the most wanted Ubuntu weblogs for 2009.
Firefox 3.6 final is released and yet again, most Ubuntu users are not able to upgrade their resident Firefox 3.5 to this latest release. Let's cut the chase. All you need to do is to get the latest version of Ubuntuzilla, a python script which pretty much gets the job done, and you will have you Firefox 3.6 installed and ready to rock.
Skype 2.1 Beta 2 for Linux has been released. This release brings in many features including screen sharing, instant message quoting and support for user interface styling. In addition to these Skype 2.1 beta 2 also support abuse reporting on Linux.
When I first started using Ubuntu some 3 years ago, I found it really hard to get applications similar to the ones I used in Windows. After browsing for a long time, I made this amazing discovery. You don't have to look for "similar" apps, you can have even better apps here in Ubuntu/Linux. Here are some of my all time favorite and most sought after multimedia apps for Ubuntu.
Audacious is a free, lightweight audio player based on GTK2, which is focused on audio quality and supporting a wide range of audio code. Audacious has full support for Winamp 2 skins, and as of version 1.2, some free-form skinning is possible. Winamp .wsz skin files, a type of Zip archive, can be used directly, or can be unarchived to individual directories.
Video Editors for Ubuntu has once again in the news since the realease of OpenShot Video Editor. Kdenlive is an intuitive and powerful multi-track video editor, including most recent video technologies. This is by far the best according to many reviews.
Banshee is a popular music management tool for Linux. The default version of Banshee in Ubuntu Karmic is Banshee 1.5.1. Banshee has already reached version Banshee 1.5.2. This is what you need to do to get the latest version of banshee in Ubuntu.
Boxee Beta is now open to all. Even its alpha release was rock solid, so one could think of the kind of expectation everyone has for Boxee Beta. From the first look, I have to say, Boxee beta has pretty much  lived up to the hype.
Open Shot Video Editor, Version 1.0 has released. OpenShot Video Editor is an open-source, non-linear video editor for Linux. Lets do a peek into the features and installation steps for OpenShot video editor in Ubuntu.
It is quite interesting to see where www.ie7.com can take you to. It is pretty funny. Give it a try. Note the disclaimer on top of the page as well. Screenshot below. Click to enlarge.
And yes, Firefox 3.6 first release candidate, Firefox 3.6 rc1, released for everyone, who want to give an early look at the upcoming release of Firefox. Loads of improvements including huge performance boost as well.
Firefox 3.6 has already reached the pre beta releases. And those who can't wait to give this all new Firefox a try in Ubuntu, this is what you need to do.

Update: Firefox 3.6 final is released. Install Firefox 3.6 in Ubuntu using Ubuntuzilla.
Firefox has finally did the inevitable. Firefox 3.5 is now the most used web browser in the world. This is the first time any web browser had ever overtaken IE. This is indeed a huge leap forward for Firefox and the open source movement itself.
'Nano Technology is the future'. Most of us have been hearing this chant for long. But how is this technology important or what are its real implications? Nokia may have an answer in its new Nokia Morph concept phone.
World of Goo is a wonderfully crafted puzzle game by 2D Boy, an independent game developer consisting of Kyle Gabler and Ron Carmel, both former EA employees, which has won a number of awards for technical innovation and excellence at all levels. Watch this really beautiful intro video of this cute little game called World of Goo.
I was simply browsing through the google chrome extensions, when I found these 2 really cool Feed Reader applications for Google Chrome. Check them out for yourself.
Chromed bird twitter extension for Google Chrome is by far the best I have seen. It may lack on things like on tweet video and picture viewing capabilities, but it is incredibly light weight and have all the basic functionalities one would ever want.
Bisigi themes had always been my favorite. Initially they started of with 9 themes and now the full set includes 12 mind blowing themes for Ubuntu gnome. And the most interesting part is that, you can download these themes directly from Synaptic. Sounds cool eh? Check this out.
Update: How To Install 13 Stunning Themes From Bisigi in Ubuntu Lucid - Modified Post

Update: If you want to install Bisigi themes in Lucid or Karmic, there is an even easier method. Check this link
Google has always been different and Google Logos or Doodles, as it is popularly known, is no different. It is fun, intriguing and down to earth simple. Best example is the doodle google produced today in remembrance of Sir Issac Newton. Here is a collection of 25 of the best google doodles ever.
This is Google's way of remembering Issac Newton. Visit http://www.google.com/ and watch it for yourself.
I have been using SMPlayer as the MPlayer front end for years now and I recently came to know that, not many Ubuntu users have been actually using it. That is sad, given the enhanced usability and uniqueness of SMPlayer. In my opinion, the killer app like MPlayer, with support for a wide range of codecs and file formats, is even more lethal with SMPlayer as frontend.
KDE is going places. With the release of KDE 4.4 beta, KDE team has clearly demonstrated what they really meant by a complete desktop overhaul. Already the second beta release of KDE 4.4, codenamed Claus, is released and is available for installation in Ubuntu.

Update: KDE 4.4 RC2 released. You can install KDE 4.4 RC2 in Ubuntu by following the steps mentioned below. 
All new XBMC 9.11 codenamed Camelot is released. Camelot is available for Windows, OSX, Linux, and XBMC Live. Lets take a peek.
Firefox 2010 calendars is up for grabs. As Mozilla Links puts it, "To keep Firefox on sight at all times even when your computer is off". And thats defines Firefox Calendars for you. This is a must for hard core Firefox fans. Check out these cool printable Calendars.