1. 安装curl命令
sudo apt-get install curl
示例：
user@Phytium-Pi:~$ sudo apt-get install curl
[sudo] user 的密码：
正在读取软件包列表... 完成
正在分析软件包的依赖关系树
正在读取状态信息... 完成
curl 已经是最新版 (7.68.0-1ubuntu2.25)。
2. 一键安装docker，安装需要一段时间，取决于网络质量。
curl -fsSL get.docker.com -o get-docker.sh && sh get-docker.sh
示例：
user@Phytium-Pi:~$ curl -fsSL get.docker.com -o get-docker.sh && sh get-docker.sh
# Executing docker install script, commit: 4c94a56999e10efcf48c5b8e3f6afea464f9108e
Warning: the "docker" command appears to already exist on this system.
If you already have Docker installed, this script can cause trouble, which is
why we're displaying this warning and provide the opportunity to cancel the
installation.
If you installed the current Docker package using this script and are using it
again to update Docker, you can ignore this message, but be aware that the
script resets any custom changes in the deb and rpm repo configuration
files to match the parameters passed to the script.
You may press Ctrl+C now to abort this script.
+ sleep 20
+ sudo -E sh -c apt-get -qq update >/dev/null
[sudo] user 的密码：
+ sudo -E sh -c DEBIAN_FRONTEND=noninteractive apt-get -y -qq install ca-certificates curl >/dev/null
+ sudo -E sh -c install -m 0755 -d /etc/apt/keyrings
+ sudo -E sh -c curl -fsSL "https://download.docker.com/linux/ubuntu/gpg" -o /etc/apt/keyrings/docker.asc
+ sudo -E sh -c chmod a+r /etc/apt/keyrings/docker.asc
+ sudo -E sh -c echo "deb [arch=arm64 signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu focal stable" > /etc/apt/sources.list.d/docker.list
+ sudo -E sh -c apt-get -qq update >/dev/null
+ sudo -E sh -c DEBIAN_FRONTEND=noninteractive apt-get -y -qq install docker-ce docker-ce-cli containerd.io docker-compose-plugin docker-ce-rootless-extras docker-buildx-plugin >/dev/null
+ sudo -E sh -c docker version
Client: Docker Engine - Community
Version: 27.5.1
API version: 1.47
Go version: go1.22.11
Git commit: 9f9e405
Built: Wed Jan 22 13:41:21 2025
OS/Arch: linux/arm64
Context: default
Server: Docker Engine - Community
Engine:
Version: 27.5.1
API version: 1.47 (minimum version 1.24)
Go version: go1.22.11
Git commit: 4c9b3b0
Built: Wed Jan 22 13:41:21 2025
OS/Arch: linux/arm64
Experimental: false
containerd:
Version: 1.7.25
GitCommit: bcc810d6b9066471b0b6fa75f557a15a1cbf31bb
runc:
Version: 1.2.4
GitCommit: v1.2.4-0-g6c52b3f
docker-init:
Version: 0.19.0
GitCommit: de40ad0
================================================================================
To run Docker as a non-privileged user, consider setting up the
Docker daemon in rootless mode for your user:
dockerd-rootless-setuptool.sh install
Visit https://docs.docker.com/go/rootless/ to learn about rootless mode.
To run the Docker daemon as a fully privileged service, but granting non-root
users access, refer to https://docs.docker.com/go/daemon-access/
WARNING: Access to the remote API on a privileged Docker daemon is equivalent
to root access on the host. Refer to the 'Docker daemon attack surface'
documentation for details: https://docs.docker.com/go/attack-surface/
================================================================================
3. 查看版本Sudo docker version
示例：
user@Phytium-Pi:~$ sudo docker version
Client: Docker Engine - Community
Version: 27.5.1
API version: 1.47
Go version: go1.22.11
Git commit: 9f9e405
Built: Wed Jan 22 13:41:21 2025
OS/Arch: linux/arm64
Context: default
Server: Docker Engine - Community
Engine:
Version: 27.5.1
API version: 1.47 (minimum version 1.24)
Go version: go1.22.11
Git commit: 4c9b3b0
Built: Wed Jan 22 13:41:21 2025
OS/Arch: linux/arm64
Experimental: false
containerd:
Version: 1.7.25
GitCommit: bcc810d6b9066471b0b6fa75f557a15a1cbf31bb
runc:
Version: 1.2.4
GitCommit: v1.2.4-0-g6c52b3f
docker-init:
Version: 0.19.0
GitCommit: de40ad0
4. 执行docker run hello-world，确认能否跑容器。
docker run hello-world
示例：
user@Phytium-Pi:~$ sudo docker run hello-world
Hello from Docker!
This message shows that your installation appears to be working correctly.
To generate this message, Docker took the following steps:
1. The Docker client contacted the Docker daemon.
2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
(arm64v8)
3. The Docker daemon created a new container from that image which runs the
executable that produces the output you are currently reading.
4. The Docker daemon streamed that output to the Docker client, which sent it
to your terminal.
To try something more ambitious, you can run an Ubuntu container with:
$ docker run -it ubuntu bash
Share images, automate workflows, and more with a free Docker ID:
https://hub.docker.com/
For more examples and ideas, visit:
https://docs.docker.com/get-started/
5. 如果docker出错，清空docker命令。
systemctl stop docker
rm -rf /var/lib/docker
systemctl start docker
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