Ubuntu 20.04: install and configure Conky

sudo apt install conky-all

Open Startup Applications Preferences (Applicazioni d’avvio) and add Conky at startup:

sudo reboot

cp /etc/conky/conky.conf ~/.conkyrc
nano ~/.conkyrc

Change in:

alignment = 'top_left' in alignment = 'top_right'

Add:

own_window_argb_visual = true, 
own_window_argb_value = 50, 
double_buffer = true,

Add in conky.text:

${color grey}External IP: $color${execi 1000 wget -q -O- http://ipecho.net/plain; echo}