我试着在Kubuntu 19.10上安装Docker。在步骤2中,在添加了存储库和密钥之后,我得到了以下消息This may mean that the package is missing, has been obsoleted, or
E: Package 'containerd.io' has no install
在我设置了存储库,然后运行sudo apt-get update之后,我得到了以下错误:E: The repository 'https://download.docker.com/linux/ubuntu artful Release' does not have a Release我用的是Ubuntu 17.10 (Art