Install node_exporter

node_exporter_install.sh

#!/bin/bash

BINDIR=/tmp/binnaries
VERSION="1.3.1"

mkdir $BINDIR
cd $BINDIR
curl -LO https://github.com/prometheus/node_exporter/releases/download/v${VERSION}/node_exporter-${VERSION}.linux-amd64.tar.gz
tar -xf node_exporter-${VERSION}.linux-amd64.tar.gz
mv node_exporter-${VERSION}.linux-amd64/node_exporter /usr/local/bin/
useradd -rs /bin/false node_exporter

echo " Creating node_exporter.service daemon file"

if [[ ! -e /etc/systemd/system/node_exporter.service ]]; then
cat <<EOF > /etc/systemd/system/node_exporter.service
[Unit]
Description=Node Exporter
After=network.target

[Service]
User=node_exporter
Group=node_exporter
Type=simple
ExecStart=/usr/local/bin/node_exporter

[Install]
WantedBy=multi-user.target
EOF
fi

systemctl daemon-reload && systemctl start node_exporter && systemctl status node_exporter