Install Firefox 4 in Ubuntu from PPA

As you may know Firefox has reached more than the double of downloads than IE9 in just 24 hours, If you use Ubuntu and need an easy and quick way to update your current Firefox version, here are the steps:

Firefox 4

First we need to add the Firefox PPA repository, type the following command in your terminal:

sudo add-apt-repository ppa:mozillateam/firefox-stable

If you already have installed Firefox on your system use:

sudo aptitude update && sudo aptitude upgrade

For new installations use:

sudo aptitude update && sudo aptitude install firefox

That’s it, enjoy! ;)