Upgrade - Actualizar de Ubuntu/Xubuntu 19.04 a 19.10 y 20.04

wget http://archive.ubuntu.com/ubuntu/dists/eoan-updates/main/dist-upgrader-all/current/eoan.tar.gz

mkdir eoan_upgrade 
tar -xvzf  eoan.tar.gz -C eoan_upgrade

cd eoan_upgrade
sudo ./eoan

sudo apt update

sudo apt upgrade
sudo apt dist-upgrade

sudo do-release-upgrade