配置国内源： deb https://mirrors.ustc.edu.cn/ubuntu/ disco main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ disco-updates main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ disco-backports main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ disco-security main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ disco-proposed main restricted universe multiverse deb [arch=amd64] http://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu disco stable sudo apt-get update sudo apt-get install apt-transport-https ca-certificates curl software-properties-common curl -fsSL http://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu/gpg | sudo apt-key add - sudo apt-get update sudo apt-get install docker-ce
原文：https://www.cnblogs.com/surplus/p/11420810.html