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Hi I recently switched from using the regular unity shell to gnome-fallback-compiz. I wanted to try out some Gnome extensions however when I went to the website (using both Chrome & Firefox), I got this error:

"We cannot detect a running copy of GNOME on this system, so some parts of the interface may be disabled. See our troubleshooting entry for more information"

to fully ensure that I was in fact running home I ran the following command:

echo $DESKTOP_SESSION and output was gnome-fallback-compiz

the next thing I did was go HERE using chrome to make sure the chrome pluggin could work, then I receive this error:

"Although GNOME Shell integration extension is running, native host connector is not detected. Refer documentation for instructions about installing connector"

Readin about an answer HERE I then installed a connector with:

$ sudo add-apt-repository ppa:ne0sight/chrome-gnome-shell $ sudo apt-get update $ sudo apt-get install chrome-gnome-shell

After this the pluggins page is simply blank:

enter image description here

how do I go about installing these Gnome extensions on my system?

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up vote 3 down vote

Regarding Firefox

After visiting the Gnome Extension page you have to allow the plugin execution - otherwise your Gnome Session will not be recognized.

Therefor click on the plugin icon to the left of the Firefox addressbar and allow the execution.

enter image description here

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1  
The icon should appear if you move your mouse cursor over this area - offering the options 'Allow now' or 'allow and remember' – dufte May 4 '16 at 10:04
    
Do you use NoScript or something like this? I had the same problem, solved disabling NoScript – Pielco11 May 4 '16 at 10:19
    
@Pielco11 no dont have that installed. i tried disabling a bunch of Chrome extensions, and even using an incognito window, but that did not help – Kalamalka Kid May 4 '16 at 10:24
    
ok i was able to get to that icon you mentioned for Firefox, but only after installing the firefox pluggin, so what do i do now? – Kalamalka Kid May 4 '16 at 10:33
    
@KalamalkaKid: In Firefox - Click the icon - choose Allow and reload the page. At that point the page should be able to detect your Gnome Session. At least that is how i know the workflow ;) Do you still get an error then? – dufte May 4 '16 at 10:56
up vote 1 down vote

Install chrome-gnome-shell depending your distro and run one time:

/usr/bin/python3 /usr/bin/chrome-gnome-shell --gapplication-service

After this the addon from chrome will detect the native plugin.

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1  
Typo; passed argument should be --gapplication-service but other than that, it worked for me on Ubuntu 17.10 – Thalis K. Nov 22 '17 at 13:38
    
Hi, I'm having the very same problem and getting this message: Although GNOME Shell integration extension is running, native host connector is not detected.......... Can u pls explain to me in details what you mean by "and the firstime execute..."??!! Sorry if I sound ignorant because I'm still exactly one week old with ubuntu and linux and hardly managing to find my way around. Thanks. – Nermeen Hussein Nov 30 '17 at 8:21
    
You should run the command one time and will work without run it every time boot your machine. pd: I updated my answer to be more explanatory – Glats Nov 30 '17 at 13:33

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