How to install firefox 5 on ubuntu

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 Responses

  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 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 lucid/main firefox-branding 5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1 [8,976B]
    Get:2 lucid/main firefox-gnome-support 5.0+build1+nobinonly-0ubuntu0.10.04.1~mfs1 [9,476B]
    Get:3 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 =

    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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