Install Firefox 5 or 4 in RHEL, CentOS, Fedora

Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. As of March 2011, Firefox is the second most widely used browser, with approximately 30% of worldwide usage share of web browsers.
The latest Firefox features include tabbed browsing, spell checking, incremental find, live bookmarking, a download manager, private browsing, location-aware browsing (also known as "geolocation") based exclusively on a Google service and an integrated search system that uses Google by default in most localizations. Functions can be added through extensions, created by third-party developers of which there is a wide selection, a feature that has attracted many of Firefox's users.
Firefox runs on various operating systems including Microsoft Windows, GNU/Linux, Mac OS X, FreeBSD, and many other platforms. Its current stable release is version 5.0, released on June 21, 2011. Firefox's source code is tri-licensed under the GNU GPL, GNU LGPL, or Mozilla Public License.

Here is a way to install the new Firefox 5 or Firefox 4  without having to wait.

1. Backup the Current Firefox

Take a backup of your current Firefox user profile and all other settings. Even though it’s generally safe to skip this step, as the settings will stay on the computer even if  your uninstall Firefox. 

#tar cvzf firefox-backup.tar.gz ~/.mozilla

2. Install Third-Party Spot Repository

Install the Spot Repository. Third party repositories generally are updated faster then the default repositories. So sometimes third party repositories are needed if you wanted the latest software as soon as they are released.

For Firefox 5 use the below location

#su -c 'wget http://repos.fedorapeople.org/repos/spot/firefox5/fedora-firefox5.repo -O /etc/yum.repos.d/fedora-firefox5.repo'

and for Firefox 4 use 

#su -c 'wget http://repos.fedorapeople.org/repos/spot/firefox4/fedora-firefox4.repo -O /etc/yum.repos.d/fedora-firefox4.repo'

3. Remove Current Firefox Installation (Optional)

Remove your current Firefox installation. If you plan on having more then one Firefox installation then you can skip this step.

#su -c 'yum remove firefox'

4. Enable the Repository

The repository will need to be enabled before we can use it.

#su -c 'yum –enablerepo fedora-firefox5' (for firefox5)

or

#su -c 'yum –enablerepo fedora-firefox4' (for firefox4)

5. Install New Firefox

Install the new Firefox package onto your system and enjoy!!

#su -c 'yum install firefox5' (to install firefox 5)

or

#su -c 'yum install firefox4' (to install firefox 4)

 

Thats all done...

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