1 to update the system and install the dependent packages
1 $ sudo apt update 2 $ sudo apt install apt-transport-https ca-certificates curl software-properties-common
2. Create and edit etc / apt / sources.list.d / docker.list file
$ Sudo vi /etc/apt/sources.list.d/docker.list
Document reads as follows:
deb [arch=amd64] https:
//download.docker.com/linux/ubuntu bionic stable
3. Add keys
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
4. Update docker source apt repository information
$ sudo apt update
5. Installation docker-ce
$ sudo apt install docker-ce
6. Verify
$ docker --version
Original link: https://my.oschina.net/ykbj/blog/3002620