As you know that Firefox is now focusing on its other major release of Firefox 4. Now after Firefox 4 Beta 1, they have released another of its beta version Firefox 4 Beta 2. If you are looking for Firefox 4 Beta 2 Ubuntu or Firefox 4 Beta 2 Linux, to know how to download and install it easily, then you are at the right place.
Firefox 4 Beta 2 Ubuntu, Firefox 4 Beta 2 Linux
To download and install Firefox 4 Beta 2 in your Ubuntu or Linux, I would recommend you to check out the following post, where you can get the directions of downloading, installing and using Firefox 4 Beta in your Ubuntu easily:
Beta Firefox 4 Ubuntu, Beta Firefox 4 Linux