sudo nano /etc/apt/sources.list
deb https://qgis.org/debian xenial main
deb-src https://qgis.org/debian xenial main
- ctrl+o (Guardar)
- ctrl+x (Salir)
wget -O - https://qgis.org/downloads/qgis-2017.gpg.key | gpg --import
gpg --fingerprint CAEB3DC3BDF7FB45
gpg --export --armor CAEB3DC3BDF7FB45 | sudo apt-key add -
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-key CAEB3DC3BDF7FB45
sudo apt-get update
sudo apt-get install qgis python-qgis qgis-plugin-grass
🚀
https://linuxhint.com/install-qgis3-geospatial-ubuntu/