Linux CentOS7 64bit install docker Note

$sudo yum update

When Centos 6 ,5  befer then Centos7 version install

$sudo  yum install -y http://mirrors.yun-idc.com/epel/6/i386/epel-release-6-8.noarch.rpm

$sudo yum install -y docker-io

Centos7 is ready install

$sudo yum install -y docker

# set docker power on auto startup server

$ sudo systemctl enable docker.service

# start run docker

$ sudo systemctl start docker

# test docker run

$ sudo docker run --rm hello-world