Ubuntu Linux Install Firefox 3 Web browser

by on May 13, 2008 · 8 comments· LAST UPDATED June 19, 2008

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Q. How do I install Firefox 3 web browser under Ubuntu Linux?

A. Firefox 3 can be installed easily using apt-get

command under Ubuntu Linux 7.10 (Gutsy Gibbon) and Ubuntu 8.04 (Hardy Heron).

Command to install Firefox 3 Final version Web browser

Open the terminal and type the following two commands to install firefox 3.0 final version:
$ sudo apt-get update
$ sudo apt-get install firefox-3.0

Sample output:

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
Suggested packages:
  firefox-3.0-gnome-support latex-xft-fonts
The following NEW packages will be installed:
  firefox-3.0 xulrunner-1.9
0 upgraded, 2 newly installed, 0 to remove and 55 not upgraded.
Need to get 9845kB of archives.
After unpacking 27.4MB of additional disk space will be used.
Do you want to continue [Y/n]? y 

How do I start Firefox 3?

Once installed click on Applications > Internet > Firefox Web Browser

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{ 8 comments… read them below or add one }

1 Nevyn June 25, 2008 at 8:26 pm

this is great but won’t this leave version 2.x still on my machine.

should I uninstall 2.x first or second?

Reason I ask is i want as many of my add-ons to migrate over as possible.

Thanks for the information though – it just shows how easy ubuntu is.


2 ff2 July 11, 2008 at 7:43 am

followed these instructions and still stuck with ff2, do i need to change the launcher icons somehow? how do i know if it actually installed?


3 nixCraft July 11, 2008 at 7:54 am

What do you see when you go to Help > About?


4 ff2 July 12, 2008 at 4:33 am

The the launcher icons definitely fire up ff2. I found granparadiso installed in Synaptic Package Manager and removed it – I didn’t realise this was an alpha version of ff3 until I had done some reading up.

Now if I enter the terminal commands you’ve provided, granparadiso reappears. I assume I have to update or get rid of the packages somehow?


5 david July 14, 2008 at 8:45 am

# apt-get install firefox-3.0
Reading package lists… Done
Building dependency tree… Done
E: Couldn’t find package firefox-3.0

how to fix my problem? thanks


6 Samir August 19, 2009 at 11:04 am

Update your system : sudo apt-get update

Now, run following command. It should/ will work.

sudo apt-get install firefox-3.0


7 meoidjfoijoas May 8, 2014 at 8:17 pm

No Longer works


8 Caroline January 12, 2015 at 2:44 pm

I get this;

caroline@carolines-desktop:~$ sudo apt-get install firefox-3.0
Reading package lists… Done
Building dependency tree
Reading state information… Done
E: Couldn’t find package firefox-3.0


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