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I have installed lightdm + cinnamon on Ubuntu 20.04 Server 64-bit for Raspberry Pi 4.
The systray network icon shows me disconnected from the internet while in reality I am connected. None of the solutions offered by the internet solved my problem. This problem could be due to some missing package but I have no idea what it is. I ran the following commands:

sudo apt update
sudo apt dist-upgrade
sudo reboot
sudo apt install --install-recommends lightdm
sudo apt install --install-recommends cinnamon-desktop-environment
sudo reboot

Cinnamon works but now I show you the network icon what it shows me with an image:

enter image description here

Mario Palumbo
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1 Answers1

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I have found the answer at this link:

ubuntu server and networkmanager

You have to create a file /etc/netplan/01-network-manager-all.yaml and then write in it:

# Let NetworkManager manage all devices on this system
network:
  version: 2
  renderer: NetworkManager

Run:

sudo service network-manager restart

or reboot.

Mario Palumbo
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