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安装

官方文档

卸载旧版本

bash
sudo apt-get remove docker \
  docker-engine \
  docker.io

配置国内源

鉴于国内网络问题,强烈建议使用国内源,官方源请在注释中查看。

bash
# 阿里源
$ curl -fsSL https://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

# 官方源
# $ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
  • 然后,我们需要向 sources.list 中添加 Docker 软件源
bash
$ echo \
  "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://mirrors.aliyun.com/docker-ce/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

# 官方源
# $ echo \
#   "deb [arch=amd64 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

各环节安装

  • mac 安装
bash
brew install docker
  • ubuntu 安装
bash
sudo apt-get update
sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common

docker命令

bash
# 启动
systemctl start docker
# 停止
systemctl stop docker
# 重启
systemctl restart docker
# 信息
systemctl info docker
# docker 指令集
docker --help
# docker 指令示例
docker cp --help  # cp指令的示例