ubuntu安装docker

ubuntu 安装docker

• 在安装之前先要配置ubuntu的镜像网址，这样可以提高下载速度 https://www.cnblogs.com/yjp372928571/p/12510033.html

• 这里是官网的完整安装步骤 https://docs.docker.com/install/linux/docker-ce/ubuntu/

安装步骤

1. 先卸载以前安装的docker

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

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2. 设置docker仓库

    sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common

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3. 添加docker公钥

 curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
 sudo apt-key fingerprint 0EBFCD88

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4. 添加仓库

    sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

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5. 安装docker

  升级 sudo apt-get update
  安装 sudo apt-get install docker-ce docker-ce-cli containerd.io

---

6. 查看安装版本
   docker version

Client: Docker Engine - Community
 Version:           19.03.8
 API version:       1.40
 Go version:        go1.12.17
 Git commit:        afacb8b7f0
 Built:             Wed Mar 11 01:25:58 2020
 OS/Arch:           linux/amd64
 Experimental:      false

Server: Docker Engine - Community
 Engine:
  Version:          19.03.8
  API version:      1.40 (minimum version 1.12)
  Go version:       go1.12.17
  Git commit:       afacb8b7f0
  Built:            Wed Mar 11 01:24:30 2020
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.2.13
  GitCommit:        7ad184331fa3e55e52b890ea95e65ba581ae3429
 runc:
  Version:          1.0.0-rc10
  GitCommit:        dc9208a3303feef5b3839f4323d9beb36df0a9dd
 docker-init:
  Version:          0.18.0
  GitCommit:        fec3683

出现此信息，即表示安装成功