docker-engine安装

导入安装源:

rpm --import "https://sks-keyservers.net/pks/lookup?op=get&search=0xee6d536cf7dc86e2d7d56f59a178ac6c6238f52e"

如果没有响应使用：pgp.mit.edu 或keyserver.ubuntu.com

yum-config-manager --add-repo https://packages.docker.com/1.13/yum/repo/main/centos/7

安装：

yum makecache fast
yum -y install docker-engine

启动

systemctl restart docker
systemctl enable docker