Docker安装

```

yum install -y yum-utils device-mapper-persistent-data lvm2

yum makecache fast  

```

```

yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

```

```

yum install docker-ce -y

sudo mkdir -p /etc/docker

sudo tee /etc/docker/daemon.json <<-'EOF'

{

 "registry-mirrors": ["https://c****.mirror.aliyuncs.com"]

}

EOF

# 镜像加速用自己的阿里云地址吧

```

```

systemctl daemon-reload

systemctl restart docker

```

```

docker version

# 查看版本

```

# 可加可不加

上面做了镜像加速

```

vi /etc/docker/daemon.json

# 镜像加速配了 加国内镜像仓库也行

{

 "registry-mirrors": ["https://c*****.mirror.aliyuncs.com","https://hub-mirror.c.163.com"]

}

****前面的为阿里云镜像加速服务的地址

```

```

systemctl restart docker

systemctl restart docker

docker pull centos

docker images

```