cent os 安裝docker

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

sudo yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

sudo yum install docker-ce -y

sudo systemctl enable docker

sudo systemctl start docker

驗證是否安裝成功

$ sudo docker run hello-world