[HOWTO] Install Firefox 4 in Ubuntu 10.04 Lucid Lynx and 10.10 Maverick Meerkat

Firefox 4 has been released recently and it is not available via update manager in Ubuntu 10.04 Lucid Lynx and 10.10 Maverick Meerkat. The Ubuntu Mozilla Daily Build PPA provides it but it always the latest daily build and not the stable version.

For stable version, you can use Firefox Stable PPA. To install the PPA in Lucid or Maverick, just launch Synaptic (System>Administration>Synaptic Package Manager) and then go to Settings>Repositories>Other Software. Now click Add and paste in the following:

ppa:mozillateam/firefox-stable

Close the Repositories window and then click reload. When it is done, search for firefox-4.0-gnome-support and mark it for installation. It should mark other required packages. Apply and wait for installation to finish.

[HOWTO] Install Firefox 4 in Fedora 14

Firefox 4 is currently in beta and not available in the Fedora repository. However, it can be installed by adding Spot repository from FedoraPeople. To install, open up the terminal and run the following from terminal as root (to be root, run su and enter root password):

wget http://repos.fedorapeople.org/repos/spot/firefox4/fedora-firefox4.repo -O /etc/yum.repos.d/firefox4.repo
yum install firefox4

When done, Firefox 4 is ready to use.

[HOWTO] Install Firebug in Firefox 4

The latest stable version of Firebug is 1.6 which is compatible with Firefox 3.x. If you have Firefox 4 as your default browser, you may be miss this extension. Firebug 1.7 is under development and the latest version available at the time of this writing is 1.7X.0a7. You can install it from Firebug 1.7 releases page. Note that it is still in alpha stage of development and may have several bugs.

[HOWTO] Install Greasemonkey Firefox Addon in Firefox 4

I have installed Firefox 4 in my Debian Testing installation from Launchpad PPA. It is quite stable and I have decided to use it instead of Firefox 3. Most of the addons I used is compatible with Firefox 4 by now. However, the version of Greasemonkey available in Mozilla Firefox Addons Site is not compatible with Mozilla Firefox v4 latest build. To install the latest nightly build of Greasemonkey, I went to Greasemonkey Nightly Download and installed it. However Greasefire is not available, we can install userscripts directly from Userscripts website for now.

[HOWTO] Install Firefox 4 in Ubuntu 10.04 Lucid Lynx and 10.10 Maverick Meerkat

UPDATE: Click here for Stable version of Firefox 4.

Firefox 4 beta 2 is already available for Linux, Windows and Mac. You can also install daily builds to get the latest of Firefox. The PPA ubuntu-mozilla-daily provides the daily builds of Firefox, currently beta 3 is available for download. To install the PPA in Lucid or Maverick, just launch Synaptic (System>Administration>Synaptic Package Manager) and then go to Settings>Repositories>Other Software. Now click Add and paste in the following:

ppa:ubuntu-mozilla-daily/ppa

Close the Repositories window and then click reload. When it is done, search for firefox-4.0-gnome-support and mark it for installation. It should mark other required packages. Apply and wait for installation to finish.

To launch it, goto Applications>Internet>Mozilla Developer Preview Web Browser or Minefield 4.0 Web Browser and enjoy.