10 October 2012

Install/Update Firefox 16 in Ubuntu 12.04/11.10/11.04/10.10


Mozilla Firefox is a free and open source web browser developed for Microsoft Windows, Mac OS X, and Linux coordinated by Mozilla Corporation and Mozilla Foundation. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. As of July 2012, Firefox has approximately 24% of worldwide usage share of web browsers, making it the third most widely used web browser.

New in Firefox 16

  • Initial support for web apps on all platforms. 
  • Added Acholi localization. 
  • Improved JavaScript responsiveness via incremental garbage collection. 
  • New developer toolbar featuring error count for the Web Console, easy access to tools and quick access to keyboard via a new command-line.
  • Unprefixed CSS3 transitions, transforms, gradients & animations.

To know more about the features of Firefox 16 read  Release Note of Firefox 16.

To install Mozilla Firefox 16 in Ubuntu open terminal (Alt + Ctrl + t) and type the following commands

Step 1: Add Firefox repository

$ sudo add-apt-repository ppa:ubuntu-mozilla-security/ppa

Step 2: Update sources.list

$ sudo apt-get update

Step 3: Install Firefox 16

$ sudo apt-get install firefox

That's it , you have successfully installed Firefox 16. To check Firefox version type following command on terminal

$ firefox -v
Mozilla Firefox 16.0


Enjoy :)

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  1. did not work, firefox is still version 11

    1. first remove firefox using following command

      sudo apt-get remove --purge firefox

      Then try to re install it using above commands.Hope this will help you .if it does not work then let me know

    2. I am on 10.10 and tried your guide along with the purge but it also did not work. I did however get some error messages which I have pasted below.

      Err http://ppa.launchpad.net maverick/main Sources
      404 Not Found
      Err http://ppa.launchpad.net maverick/main amd64 Packages
      404 Not Found

      W: Failed to fetch http://ppa.launchpad.net/mozillateam/firefox-stable/ubuntu/dists/maverick/main/source/Sources.gz 404 Not Found

      W: Failed to fetch http://ppa.launchpad.net/mozillateam/firefox-stable/ubuntu/dists/maverick/main/binary-amd64/Packages.gz 404 Not Found

    3. Check out the Url for manually installing firefox 16.0.2