Install Firefox 40.0 Beta 1 on Linux Ubuntu. Terminal commands to install Firefox 40.0 on Ubuntu 15.04, Ubuntu 14.04, Ubuntu 14.10 and Derivatives.
Firefox 4 is based on the Gecko 2.0 Web platform. This release features JavaScript execution speeds up to six times faster than the previous version, new capabilities for Web Developers and Add-on Developers such as hardware accelerated graphics and HTML5 technologies, and a completely revised user interface.
Firefox 4.0.1 fixes the following issues found in previous versions of Firefox 4:
- Fixed several security issues.
- Fixed several stability issues.
Install Firefox 40.1
Please note that installing Firefox 4 will overwrite your existing installation of Firefox. You won’t lose any of your bookmarks or browsing history, but some of your extensions and other add-ons might not work until updates for them are made available.
Install Firefox 40.0 Beta 1 on 32 Bit Ubuntu Systems
Open Terminal and run the following commands to install Firefox Beta on 32 bit Linux Ubuntu systems:
$ wget ftp.mozilla.org/pub/mozilla.org/firefox/releases/40.0b1/linux-i686/en-US/firefox-40.0b1.tar.bz2
$ tar -xjvf firefox-40.0b1.tar.bz2
$ sudo rm -rf /opt/firefox*
$ sudo mv firefox /opt/firefox
$ sudo ln -sf /opt/firefox/firefox /usr/bin/firefox
Install Firefox 40.0 Beta 1 on 32 Bit Ubuntu Systems
Open Terminal and run the following commands to install Firefox Beta on 64 bit Linux Ubuntu systems:
$ wget ftp.mozilla.org/pub/mozilla.org/firefox/releases/40.0b1/linux-x86_64/en-US/firefox-40.0b1.tar.bz2
$ tar -xjvf firefox-40.0b1.tar.bz2
$ sudo rm -rf /opt/firefox*
$ sudo mv firefox /opt/firefox
$ sudo ln -sf /opt/firefox/firefox /usr/bin/firefox
Once installed, to start Firefox, open terminal, type firefox and press enter.