12

On a fresh install of 18.10 I attempted to install CPU usage widget

https://extensions.gnome.org/extension/120/system-monitor/

on that link it errors showing :

Although GNOME Shell integration extension is running, native host connector is not detected

17

first install this (its what appears in your error popup)

sudo apt-get install chrome-gnome-shell 

however on new OS install you will still get errors until you also install these

#  Ubuntu 20.04
sudo apt-get install libproxy1-plugin-networkmanager gnome-shell-extension-system-monitor

# Ubuntu 19.10
sudo apt-get install libproxy1-plugin-networkmanager 

or

# pre Ubuntu 19.10
sudo apt-get install gir1.2-gtop-2.0 gir1.2-networkmanager-1.0  gir1.2-clutter-1.0

then bounce your gnome shell by typing

Alt + F2, type "r" then Enter.

now go back to

https://extensions.gnome.org/extension/120/system-monitor/

and turn on the monitor extension ... resource monitor widget will now appear on desktop top status bar

  • 5
    Installing chrome-gnome-shell package should be enough to fix the "native host connector is not detected" issue in general. You may need other packages to fulfil the dependencies of the extension in particular. – pomsky Jan 8 '19 at 8:42
  • just a quick addendum - as @Ceisc commented here askubuntu.com/a/1034692/888540 - "the chrome-gnome-shell doesn't work if you install the version of Chromium that comes from the Ubuntu Software manager package, but does work if you install Chromium via apt" – hananamar Oct 30 '19 at 8:58
  • When I am trying to install the additional packages with apt, in Ubuntu 19.10 I am getting the following error E: Package 'gir1.2-networkmanager-1.0' has no installation candidate – lefterav Dec 5 '19 at 13:18

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