参考官网https://qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu
但是官网写的太繁琐分散,没有按每个OS集中写cli安装完整过程,自己整理一遍:
1修改软件源
sudo xed /etc/apt/sources.list
mint19是空白文件
deb https://qgis.org/ubuntu bionic main deb-src https://qgis.org/ubuntu bionic main
安装公钥
wget -O - https://qgis.org/downloads/qgis-2017.gpg.key | gpg --import gpg --fingerprint CAEB3DC3BDF7FB45 gpg --export --armor CAEB3DC3BDF7FB45 | sudo apt-key add -
更新,安装
sudo apt-get update sudo apt-get install qgis python3-qgis qgis-plugin-grass