一、docker安装

Docker 官方文档 | Docker Documentation

1.自动安装

wget http://fishros.com/install -O fishros && sudo bash fishros

2.手动安装

2.1. ubuntu安装

1.系统需求

• Ubuntu Jammy 22.04 (LTS)
• Ubuntu Impish 21.10
• Ubuntu Focal 20.04 (LTS)
• Ubuntu Bionic 18.04 (LTS)

Docker Engine is supported on x86_64 (or amd64), armhf, arm64, and s390x architectures.

2.卸载旧版本

sudo apt-get remove docker docker-engine docker.io containerd runc

3.使用仓库安装(也可以使用二进制包安装)

sudo apt-get update

 sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release

4.添加 GPG key

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

5.添加docker源

echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

6. 安装 Docker Engine

 #安装最新docker
 sudo apt-get update
 sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin
 
 #安装指定版本
 apt-cache madison docker-ce
 udo apt-get install docker-ce=<VERSION_STRING> docker-ce-cli=<VERSION_STRING> containerd.io docker-compose-plugin

7.测试

docker version

sudo docker run hello-world

8.卸载 Docker Engine

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From： https://www.cnblogs.com/getonechao/p/18072675