debain 安装nodejs

apt-get update -y
apt-get install -y build-essential curl

curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -

apt-get install nodejs

npm install -g cnpm --registry=https://registry.npm.taobao.org

可选：apt-get install git-core curl build-essential openssl libssl-dev