docker-安装-01

安装 (Linux环境)

1. 卸载
yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine


2. 安装需要的包
yum install -y yum-utils


3. 设置镜像的仓库
 yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.rep     // 国外库 不稳定

 yum-config-manager \
    --add-repo \
 http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo    // 国内 aliyun镜像地址

更新yum软件包索引
yum makecache fast


4. 安装docker相关的引擎
yum install docker-ce docker-ce-cli containerd.io


5. 启动docker
systemctl start docker


6. 测试启动成功   docker version
[root@iZbp1dxv88hhg5xy6lr3aqZ ~]# docker version
Client: Docker Engine - Community
 Version:           20.10.12
 API version:       1.41
 Go version:        go1.16.12
 Git commit:        e91ed57
 Built:             Mon Dec 13 11:45:22 2021
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      true

Server: Docker Engine - Community
 Engine:
  Version:          20.10.12
  API version:      1.41 (minimum version 1.12)
  Go version:       go1.16.12
  Git commit:       459d0df
  Built:            Mon Dec 13 11:43:44 2021
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.4.12
  GitCommit:        7b11cfaabd73bb80907dd23182b9347b4245eb5d
 runc:
  Version:          1.0.2
  GitCommit:        v1.0.2-0-g52b36a2
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0
 

7. 查看是否有下载的镜像
docker images


8. 卸载docker
yum remove docker-ce docker-ce-cli containerd.io  // 卸载依赖
rm -rf /var/lib/docker  // 删除资源 (所有镜像、容器和卷)
rm -rf /var/lib/containerd // 

阿里云镜像加速

配置

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://02dy66mn.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker