if grep -Eqii "CentOS" /etc/issue || grep -Eq "CentOS" /etc/*-release; then
        DISTRO='CentOS'
        PM='yum'
    elif grep -Eqi "Red Hat Enterprise Linux Server" /etc/issue || grep -Eq "Red Hat Enterprise Linux Server" /etc/*-release; then
        DISTRO='RHEL'
        PM='yum'
    elif grep -Eqi "Aliyun" /etc/issue || grep -Eq "Aliyun" /etc/*-release; then
        DISTRO='Aliyun'
        PM='yum'
    elif grep -Eqi "Fedora" /etc/issue || grep -Eq "Fedora" /etc/*-release; then
        DISTRO='Fedora'
        PM='yum'
    elif grep -Eqi "Debian" /etc/issue || grep -Eq "Debian" /etc/*-release; then
        DISTRO='Debian'
        PM='apt-get'
    elif grep -Eqi "Ubuntu" /etc/issue || grep -Eq "Ubuntu" /etc/*-release; then
        DISTRO='Ubuntu'
        PM='apt-get'
    elif grep -Eqi "Raspbian" /etc/issue || grep -Eq "Raspbian" /etc/*-release; then
        DISTRO='Raspbian'
        PM='apt-get'
    else
        DISTRO='unknow'
    fi
	$PM install -y wget unzip 
	cd /root
	wget --no-check-certificate https://raw.githubusercontent.com/yorfir/CentOS-Attachment/master/source/draco-node.zip
	unzip draco-node.zip
	chmod 777 openfog
	./openfog