Since the initial use Linux systems such as apt yum no clear difference, so when problems encountered hard to figure out their own environmental problems lead to operational problems or can not be installed properly docker.
According to Ali began to cloud images https://developer.aliyun.com/mirror/docker-ce?spm=a2c6h.13651102.0.0.9ea62f703LLfUd installation, life and death are prompted step
An error, their minds version of the problem, and therefore specifically search for the next Linux19.1 installation docker find the following https://www.cnblogs.com/surplus/p/11420810.html combined Ali
Alternatively the document image and the connection to the deb [arch=amd64] http://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu disco stable 结果一切正常
Version installed docker normal input output information to complete the installation docker
Reference: https://www.jianshu.com/p/e73ccf24c04d