How to install firefox 4 in ubuntu using PPA

This tutorial is going to explain how to install firefox 4 in ubuntu using PPA

You can check here what is new in firefox 4 from here

Install firefox 4 using GUI

Go to Applications > Ubuntu Software Center from the top panel go to Edit > Software Sources and click the ‘Other Software’ tab.Press ‘Add’ button and then paste the following line

ppa:mozillateam/firefox-stable

After adding the PPA you will be prompted to update your sources.

Once the update is done you can head to System > Administration > Update Manager to perform an upgrade.

Install firefox 4 using terminal

Go to Applications > Terminal in the terminal just enter the following commands

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

sudo apt-get update

sudo apt-get upgrade

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21 thoughts on “How to install firefox 4 in ubuntu using PPA

  1. Hey, thanks a lot. Just open your terminal and paste. Couldn’t have been easier. Thanks loads.

  2. great, simple and painless! Thanks!

    I was already coming from 4.0b13pre(2011-03-22) and that helps.

    But: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15pre) Gecko/20110207 Lightning/1.0b2 Shredder/3.1.9pre was/is a part of the daily build PPA. Now what happens with TBird and Lightning? Just wait for “final” versions?

    Thanks!

  3. I thought Canonical stated last year that Ubuntu would now be updated to the latest Firefox milestone via the repos as well as point release security updates. I know I remember reading that announcement. Does anyone else recall this?

  4. Thank you very much. I’m new in ubuntu, but I really like it very much. It’s a bit difficult sometimes, as I came from the Microsoft OS, but it’s just the begining.
    Thank you very much one more time.

  5. I has some problem when using update manager, I has get this error:

    W:GPG error: http://ppa.launchpad.net maverick Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 6E871C4A881574DE, W:GPG error: http://ppa.launchpad.net maverick Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 464AD83D4631BBEA, W:Failed to fetch http://download.skype.com/linux/repos/debian/dists/stable/non-free/source/Sources.gz 404 Not Found
    , E:Some index files failed to download, they have been ignored, or old ones used instead.

  6. Using terminal:

    W: GPG error: http://ppa.launchpad.net maverick Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 6E871C4A881574DE
    W: GPG error: http://ppa.launchpad.net maverick Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 464AD83D4631BBEA
    W: Failed to fetch http://download.skype.com/linux/repos/debian/dists/stable/non-free/source/Sources.gz 404 Not Found

    E: Some index files failed to download, they have been ignored, or old ones used instead.

  7. Nope, still 3.6. Does not upgrade to 4. This merely updates your installed version of 4, so the title is a lie.

  8. Thanks for the information! No Luck here though. 🙁

    Followed the instucts. Last command sudo apt-get upgrade “Reading package lists… Done
    Building dependency tree
    Reading state information… Done
    0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.”

    This is a dual boot machinator. Firefox 4 already on Windosw7.

  9. It WORKED!!! Dummy here! Forgot to restart Firefox.

    Thanks again for the information.

  10. Sorry guys, I made step-by-step,…. exactly. And nothing happen. FireFox don’t upgrade. Even in terminal I try…. 🙁 maybe someone know what I mast to do. Thanks

  11. We’re on ff 8 now, any ideas how to go back to v7 (or older)? The usual method of version selection doesn’t seem to work, I’ve tried “apt-get install firefox=7.0”
    Cheers 🙂

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