In this tutorial I am going to show how to install Mozilla Firefox 27 in Elementary OS 0.2 “Luna”.
Firefox can be installed easily as any other since it has been added to the default repository.
First update your system by running:
$ sudo apt-get update
$ sudo apt-get install firefox
es@es-lunabox:~$ sudo apt-get install firefox Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: gir1.2-gstreamer-0.10 libpangomm-1.4-1 libsigc++-2.0-0c2a libglibmm-2.4-1c2a libcairomm-1.0-1 libatkmm-1.6-1 Use 'apt-get autoremove' to remove them. The following extra packages will be installed: xul-ext-ubufox Suggested packages: ttf-lyx The following NEW packages will be installed: firefox xul-ext-ubufox 0 upgraded, 2 newly installed, 0 to remove and 247 not upgraded. Need to get 31.3 MB of archives. After this operation, 69.6 MB of additional disk space will be used. Do you want to continue [Y/n]?
Fetched 31.3 MB in 18min 27s (28.3 kB/s) Selecting previously unselected package firefox. (Reading database ... 125088 files and directories currently installed.) Unpacking firefox (from .../firefox_27.0+build1-0ubuntu0.12.04.1_amd64.deb) ... Selecting previously unselected package xul-ext-ubufox. Unpacking xul-ext-ubufox (from .../xul-ext-ubufox_2.7-0ubuntu0.12.04.1_all.deb) ... Processing triggers for desktop-file-utils ... Processing triggers for bamfdaemon ... Rebuilding /usr/share/applications/bamf.index... Processing triggers for gnome-menus ... Processing triggers for man-db ... Setting up firefox (27.0+build1-0ubuntu0.12.04.1) ... Please restart all running instances of firefox, or you will experience problems. Setting up xul-ext-ubufox (2.7-0ubuntu0.12.04.1) ...