June 22, 2011 · General · Email This Post

Mozilla Firefox 5 is the latest version of the Firefox web browser, released on June 21, 2011.This was the the first edition under the new faster-release regime Firefox kicked off in early 2011.

New features

Even though the GUI has not been changed, Firefox 5 features:

Improved HTML 5 and CSS3 support
Improved overall performance
Visibility of Do-Not-Track option has been increased (disabling the ability for advertisers to track browsing habits and install cookies on the computer)
Stability and security improvements

How to install firefox 5 on ubuntu

Open the terminal and run the following commands

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


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

sudo apt-get update
sudo apt-get upgrade

Or if you are running ubuntu 11.04 you can try sudo apt-get upgrade it should install latest version of firefox.

Localize your firefox 5 using the following command

sudo apt-get install firefox-locale-$code

where code is the two-letter symbol of your language.

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13 Comments to “How to install firefox 5 on ubuntu”

  1. MikeofEngland says:

    Did not happen for me???

  2. cYbercOsmOnauT says:

    A repository is not really needed anymore because Mozilla now provides 32 and 64 bit versions of Firefox on their server. Just download, unpack, and use.

    Go to ftp://ftp.mozilla.org/pub/firefox/releases/latest/ and choose your destiny 😉

  3. wujj123456 says:

    I didn’t have that ppa, but my Firefox is up-to-date.
    What’s your package name? I have 5.0~b5+build1+nobinonly-0ubuntu0.11.04.1, which was updated to on June 14…

  4. cYbercOsmOnauT says:

    5.0b5 is not up-to-date wujj that’s the beta

  5. sumitbisht says:

    Can’t it just be updated from the firefox4 straightaway ?

  6. wujj123456 says:

    You are right. I just got an update again today, and it’s 5.0+build1+nobinonly-0ubuntu0.11.04.1 now. Should be the final release I guess.

    But this just makes me more confused. I didn’t add mozilla ppa for my current install, neither did I opt-in for beta…

  7. HugeHedon says:


    It didn’t happen for me either. Turns out that software updates was disabled for some reason.

    To check/fix this, open Ubuntu Software Center, select Edit => Software_Sources => Updates and check the checkboxes at “Important Security Updates” and “Recommended Updates”. Also, make sure that “Automatic Updates” is checked in the same view.

  8. Camel says:

    I think you should run

    sudo apt-get install firefox

    or (if you already have firefox)

    sudo apt-get install firefox

  9. Ben says:

    Okay this may be a bit wordy but it is what worked for me, maybe this will help someone with a similar problem. Running this Ubuntu version; {Ubuntu – Linux for Human Beings! You are using Ubuntu 10.04 LTS – the Lucid Lynx}

    Steps 4., 5., and 6. are not really necessary but I’m a bit nerdy about leaving random bits and pieces of packages lying around.

    The command line import that worked for mine was:

    Step 1. sudo add-apt-repository ppa:ubuntu-mozilla-security/ppa

    Step 2. sudo add-apt-repository ppa:mozillateam/firefox-stable

    Step 3. sudo apt-get update

    Step 4. sudo dpkg -P -a

    Step 5. sudo apt-get clean

    Step 6. sudo apt-get autoclean

    Step 7. sudo apt-get install firefox -$en
    Reading package lists… Done
    Building dependency tree
    Reading state information… Done
    The following extra packages will be installed:
    firefox-branding firefox-gnome-support
    Suggested packages:
    kmozillahelper latex-xft-fonts
    The following packages will be upgraded:
    firefox firefox-branding firefox-gnome-support
    3 upgraded, 0 newly installed, 0 to remove and 471 not upgraded.
    Need to get 15.6MB of archives.
    After this operation, 1,663kB of additional disk space will be used.
    Do you want to continue [Y/n]? y
    Get:1 http://ppa.launchpad.net/mozillateam/firefox-stable/ubuntu/ lucid/main firefox-branding 5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1 [8,976B]
    Get:2 http://ppa.launchpad.net/mozillateam/firefox-stable/ubuntu/ lucid/main firefox-gnome-support 5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1 [9,476B]
    Get:3 http://ppa.launchpad.net/mozillateam/firefox-stable/ubuntu/ lucid/main firefox 5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1 [15.5MB]
    Fetched 15.6MB in 1min 3s (246kB/s)
    (Reading database … 143523 files and directories currently installed.)
    Preparing to replace firefox-branding 3.6.3+nobinonly-0ubuntu4 (using …/firefox-branding_5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1_i386.deb) …
    Unpacking replacement firefox-branding …
    Preparing to replace firefox-gnome-support 3.6.3+nobinonly-0ubuntu4 (using …/firefox-gnome-support_5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1_i386.deb) …
    Unpacking replacement firefox-gnome-support …
    Preparing to replace firefox 3.6.3+nobinonly-0ubuntu4 (using …/firefox_5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1_i386.deb) …
    Removing obsolete conffile /etc/firefox/profile/bookmarks.html …
    Removing obsolete conffile /etc/firefox/profile/localstore.rdf …
    Removing obsolete conffile /etc/firefox/profile/mimeTypes.rdf …
    Removing obsolete conffile /etc/firefox/profile/prefs.js …
    Removing obsolete conffile /etc/firefox/profile/chrome/userChrome-example.css …
    Removing obsolete conffile /etc/firefox/profile/chrome/userContent-example.css …
    Unpacking replacement firefox …
    Processing triggers for desktop-file-utils …
    Processing triggers for python-gmenu …
    Rebuilding /usr/share/applications/desktop.en_US.utf8.cache…
    Processing triggers for python-support …
    Setting up firefox (5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1) …
    Installing new version of config file /etc/apparmor.d/usr.bin.firefox …
    Installing new version of config file /etc/firefox/pref/firefox.js …
    Please restart all running instances of firefox, or you will experience problems.

    Setting up firefox-branding (5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1) …
    Setting up firefox-gnome-support (5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1) …

    After restarting FireFox Results = http://www.mozilla.com/en-US/firefox/5.0/whatsnew/

    Hope this helps. 😉

  10. rashmani says:

    Great Ben!
    Your suggestions worked for me too!


  11. luisn says:

    Thanks a lot

    It works to me

  12. poison says:

    i dont know how, but i have installed firefox 6 on my natty and i want to revert it back to 5 or earlier version
    please suggest me the stpes

  13. jitu says:

    1.) Open terminal by pressing ctrl+alt+T or going to “Applications->Accessories->terminal”.

    2.) Write Command: sudo add-apt-repository ppa:mozillateam/firefox-stable.Enter your root password and repository will be updated.

    3.) Write Command: sudo apt-get update.Press Enter.

    4.) Write Command: sudo apt-get upgrade.Press Enter.

    Restart Your System and firefox will be upgraded to latest version…….

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