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Prometheus node exporter setup

Prometheus node exporter setup​

Scope​

Used for monitoring system metrics via Grafana stack

Service port: 9100

Deployment Instructions​

sudo useradd --no-create-home --shell /bin/false node_exporter

cd /tmp
wget https://github.com/prometheus/node_exporter/releases/download/v1.10.2/node_exporter-1.10.2.linux-amd64.tar.gz
tar xvfz node_exporter-1.10.2.linux-amd64.tar.gz
cd node_exporter-1.10.2.linux-amd64
mv ./node_exporter /usr/local/bin/
sudo chown node_exporter:node_exporter /usr/local/bin/node_exporter
cd /tmp
rm -rf node_exporter-1.10.2.linux-amd64.tar.gz node_exporter-1.10.2.linux-amd64

Setup systemd service​

sudo nano /etc/systemd/system/node_exporter.service

Content​

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

[Service]
User=node_exporter
Group=node_exporter
Type=simple
ExecStart=/usr/local/bin/node_exporter --collector.systemd --collector.processes

[Install]
WantedBy=multi-user.target

Enable service​

sudo systemctl daemon-reload
sudo systemctl start node_exporter
sudo systemctl enable node_exporter