3.22. How to install Docker
1) Uninstall the old version of docker that may exist first
root@orangepi:~# apt remove docker docker-engine docker-ce docker.io
2) Then install the following packages
root@orangepi:~# apt update
root@orangepi:~# apt install -y apt-transport-https ca-certificates curl \
software-properties-common
3) Add the key of Alibaba Cloud docker
root@orangepi:~# curl -fsSL http://mirrors.aliyun.com/docker-
ce/linux/ubuntu/gpg \
| sudo apt-key add -
4) Add the corresponding docker source in the OS source of ubuntu
root@orangepi:~# add-apt-repository "deb [arch=arm64] \
https://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable"
5) nstall the latest version of docker-ce
Iroot@orangepi:~# apt update
root@orangepi:~# apt install docker-ce
6) Verify the status of docker
root@orangepi:~# systemctl status docker
● docker.service - Docker Application Container Engine
Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset:
enabled)
Active: active (running) since Mon 2020-08-24 10:29:22 UTC; 26min ago
Docs: https://docs.docker.com
Main PID: 3145 (dockerd)
Tasks: 15
CGroup: /system.slice/docker.service
└─3145 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
7) Test docker
root@orangepi:~# docker run hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
256ab8fe8778: Pull complete
Digest:
sha256:7f0a9f93b4aa3022c3a4c147a449ef11e0941a1fd0bf4a8e6c9408b2600777c5
Status: Downloaded newer image for hello-world:latest
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