gnome
Gnome shell system monitor extension
https://aur.archlinux.org/packages/gnome-shell-extension-system-monitor-git/
https://github.com/paradoxxxzero/gnome-shell-system-monitor-applet
install gnome shell extension
https://www.baeldung.com/linux/gnome-shell-extension
sudo apt update
sudo apt install gnome-shell-extensions
After that, we’ll launch the Activities menu, search for Extensions, and open it:
chrome install extension: Shell Integration extension
refresh page: https://extensions.gnome.org/extension/261/kimpanel/
click on/off button to install gnome shell extenstion