node exporter

node exporter for amd64
install or update script:
/bin/bash -c "$(curl -fsSL https://github.com/fgladu/node_exporter/raw/master/node_exporter_amd64.sh)"
node exporter for arm64
64bit os for raspberry pi - install or update script:
/bin/bash -c "$(curl -fsSL https://github.com/fgladu/node_exporter/raw/master/node_exporter_arm64.sh)"
node exporter for armv7
32bit os for raspberry pi - install or update script:
/bin/bash -c "$(curl -fsSL https://github.com/fgladu/node_exporter/raw/master/node_exporter_armv7.sh)"