问题描述

我想安装:

add-apt-repository ppa:ricotz/testin

正在显示:
The program add-apt-repository is currently not installed. You can install it by typing:
apt-get install python-software-properties
我现在应该怎么做?
最佳解决方案

尝试这些:

sudo apt-get install software-properties-common

和/或

sudo apt-get install python3-software-properties

和/或

sudo apt-get install python-software-properties

参考文献:https://gxnotes.com/article/15921.html