Rocky8

run.sh

#!/bin/bash

#install node exporter
cd /usr/src/
wget -c "https://github.com/prometheus/node_exporter/releases/download/v1.8.2/node_exporter-1.8.2.linux-amd64.tar.gz"
tar -xvf node_exporter-1.8.2.linux-amd64.tar.gz
cd node_exporter-1.8.2.linux-amd64/;
mv node_exporter /usr/local/bin/

echo '
[Unit]
Description=Node Exporter
Wants=network-online.target
After=network-online.target

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

[Install]
WantedBy=multi-user.target' > /etc/systemd/system/node_exporter.service

systemctl daemon-reload
systemctl enable node_exporter
systemctl start node_exporter
systemctl status node_exporter