yum -y install lrzsz vim wget net-tools bash-completion yum-utils device-mapper-persistent-data lvm2

cat /etc/selinux/config 

sed -i '/SELINUX/s/enforcing/disabled/g' /etc/selinux/config

systemctl stop firewalld
systemctl disable firewalld

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

yum makecache fast
yum  -y install docker-ce  
systemctl start docker
docker version

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://1do67ezy.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
sudo systemctl enable docker