Automatically download node_exporter verion is 1.0.0-rc.0 tar.gz archive, unpack and configure for automatic startup (via systemd or upstart) on various platforms, tested via test-kitchen and inspec:
Ubuntu 16.04+ Debian 9 Centos 6+ RHEL 6+
$ curl -sSL https://raw.githubusercontent.com/paycoreio/node-exporter-installer/master/install.sh | sudo sh