docker安裝

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

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

yum-config-manager --enable docker-ce-edge

yum-config-manager --enable docker-ce-test

yum install docker-ce

yum list docker-ce --showduplicates | sort -r

systemctl start docker.service