Docker安裝

```

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

# 鏡像加速用自己的阿裡雲位址吧

systemctl daemon-reload

systemctl restart docker

docker version

# 檢視版本

# 可加可不加

上面做了鏡像加速

vi /etc/docker/daemon.json

# 鏡像加速配了 加國内鏡像倉庫也行

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

****前面的為阿裡雲鏡像加速服務的位址

systemctl restart docker

docker pull centos

docker images