sudo wget https://apt.armbian.com/armbian.key -O 93D6889F9F0E78D5
sudo gpg --dearmor < 93D6889F9F0E78D5 | sudo tee /usr/share/keyrings/armbian.gpg > /dev/null
sudo chmod go+r /usr/share/keyrings/armbian.gpg
sudo echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/armbian.gpg] http://apt.armbian.com $(lsb_release -cs) main  $(lsb_release -cs)-utils  $(lsb_release -cs)-desktop" | sudo tee /etc/apt/sources.list.d/armbian.list
apt update