Centos installed directly mounted VM virtual machine, memory 1G, directly to my IP address configuration better [before] used centos6.5 manually configured, wait for the installation successfully ping about Baidu, no problem
1. Check the kernel,
uname -r
2, if less than 3.10, perform the upgrade command
yum update
3, install the required packages. Execute the following command
yum install -y yum-utils device-mapper-persistent-data lvm2
4, provided yum source (select one), Ali cloud recommendation, a little faster
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
5. View the warehouse all versions docker, select an installation
yum list docker-ce --showduplicates | sort -r yum install docker-ce-18.03.1.ce
6, start docker, set to boot from the start
systemctl start docker
systemctl enable docker
7, see the version number docker
docker version