1,更新apt库 sudo apt update 2,以下安装使得允许apt通过HTTPS使用存储库 sudo apt install apt-transport-https ca-certificates curl software-properties-common 3,添加阿里GPG秘钥 curl -fsSL https://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add – 4,添加阿里docker源 sudo add-apt-repository “deb [arch=amd64] https: