Hello Linux Geeksters. As you may know, Firefox 23.0.1 has been released yesterday, bringing some improvements. For a full list of changes, see the official release note.In this article I will show you how to install Firefox 23.0.1 on Ubuntu 13.10 Saucy Salamander, Ubuntu 13.04 Raring Ringtail, Ubuntu 12.10 Quantal Quetzal, Ubuntu 12.04 Precise Pangolin, Linux Mint 16 Petra, Linux Mint 15 Olivia, Linux Mint 14 Nadia, Linux Mint 13 Maya and Elementary OS 0.2 Luna.

Because it is available via the Ubuntuzilla repository, installing Firefox 23.0.1 on Ubuntu, Linux Mint and Elementary OS is easy. All you have to do is:
Add the Ubuntuzilla repository:
$ echo -e "\ndeb http://downloads.sourceforge.net/project/ubuntuzilla/mozilla/apt all main" | sudo tee -a /etc/apt/sources.list > /dev/null
Add the repository key:
$ sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com C1289A29
Update the local repository index:
$ sudo apt-get update
Install Firefox 23.0.1:
sudo apt-get install firefox-mozilla-build