HOWTO : Upgrade to Firefox 4 on Ubuntu 10.10

Firefox 4 is released recently. It also works on Ubuntu 10.10. You can upgrade it from PPA. Be keep in mind that some of the add-ons are not compatible with Firefox 4 at the moment.

sudo add-apt-repository ppa:mozillateam/firefox-stable
sudo apt-get update
sudo apt-get upgrade

That's all! See you!