Ubuntu 18.04 Error : We cannot detect a running copy of GNOME on this system.

You might be trying to install GNOME-Shell Extension from browser and got an error like "We cannot detect a running copy of GNOME on this system, so some parts of the interface may be disabled"

Fix : Install GNOME Shell Integration plugin

How to install it, lets follow the below steps.

For Chrome :

• Chrome Web Store --> Search for "Gnome shell integration" --> Add to Chrome
• Open Terminal and install chrome-gnome-shell

sudo apt-get install chrome-gnome-shell

• Restart Browser and try to install additional Gnome extensions.

For Firefox :

• Firefox Add On --> Search for "Gnome shell integration" --> Add to Firefox --> Followup the instructions asked by Firefox to add it.

• Restart Browser and try to install additional Gnome extensions.