Docker安装

Docker安装

• 环境准备

  1、Linux操作系统，centOS7

  2、xhell远程连接工具

  3、系统内核3.10以上

• 开始安装docker

  步骤1：从官网下载Linux系统下的docker，https://www.docker.com/

步骤2：按照官网给的提示走，

• 先卸载旧的docker

  yum remove docker \
                    docker-client \
                    docker-client-latest \
                    docker-common \
                    docker-latest \
                    docker-latest-logrotate \
                    docker-logrotate \
                    docker-engine
  

• 这里通过仓库来安装

  # 1、安装yum安装工具
  yum install -y yum-utils
  
  
  # 2、使用镜像安装（默认是国外的），这里推荐使用国内的镜像
  yum-config-manager \
      --add-repo \
      http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
      
    # 3、更新yum软件包索引
    yum makecache fast
    
    #4、安装docke ce版
    yum install docker-ce docker-ce-cli containerd.io
  

• 启动docker

  systemctl start docker
  
  # 查看是否启动成功
  docker version
  
  # 如果出现以下信息，则说明安装成功
  [root@iZ2ze7o0mf9u89jilhgjutZ ~]# docker version
  Client: Docker Engine - Community
   Version:           19.03.12
   API version:       1.40
   Go version:        go1.13.10
   Git commit:        48a66213fe
   Built:             Mon Jun 22 15:46:54 2020
   OS/Arch:           linux/amd64
   Experimental:      false
  
  Server: Docker Engine - Community
   Engine:
    Version:          19.03.12
    API version:      1.40 (minimum version 1.12)
    Go version:       go1.13.10
    Git commit:       48a66213fe
    Built:            Mon Jun 22 15:45:28 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