I upgrade from 10.04 to 12.04, install gnome 3 and remove unity. My gnome version is 3.4.1. The GNOME Shell extensions is installed and enabled. When I use firefox to visit each extension page in https://extensions.gnome.org/, for example, https://extensions.gnome.org/extension/5/alternative-status-menu/, there is no where to install the extensions. I am told that one can install extensions by visite these extension pages.

This is the guide I followed.


The reason you are not seeing extensions available is that they are for Gnome Shell 3.6 most likely. This was an issue I had when I was running Gnome Shell 3.2 and they moved to the 3.4 version.

The best suggestion is to update Gnome Shell with the Gnome 3 PPA

In terminal:

sudo add-apt-repository ppa:gnome3-team/gnome3 
sudo apt-get update
sudo apt-get upgrade

After the upgrade try going to the extension site. You should be all set.

Edit: This will get you to the latest version of Gnome Shell which right now should be 3.6 if I am correct.

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Some one else made this thread before.

Try This.

Goto Terminal

sudo apt-get install gnome-shell

Try this page

Remove Gnome-shell and reinstall

sign out and go back to gnome 2D

sudo apt-get remove gnome-shell
sudo apt-get install gnome-shell
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  • 1
    But I have installed gnome-shell. Why I need to install it again? It just says gnome-shell is already the newest version. – gnome Oct 9 '12 at 15:33
  • Actually , I think it is very simple to do that , You just need to click that On OFF Button to install the extension , If that is not the problem , then give me more detail about your problem – DjBmNukez Oct 9 '12 at 15:43
  • Oh, the problem is that there is no ON/OFF buttons in the extensions page. I don't know why, it is just different from the tutorial I followed. – gnome Oct 9 '12 at 15:54
  • And also try to remove some unnecessary extensions from the firefox Use firefox in Safe Mode , recommended – DjBmNukez Oct 9 '12 at 16:11
  • I just found that page, but there is no definite answer. The "methods" mentioned there don't work – gnome Oct 9 '12 at 16:47

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