wiki.iViolet.net

note: this requires you already have a monitoring server with grafana/prometheus/node exporter setup. this is simply adding new VMs to monitoring and automating the agent install on the host itself.

ssh to new host

create new bash script using bash script note (see below)

ssh to monitoring host (192.168.1.48)

nano /etc/prometheus/prometheus.yml

add ip at bottom of file, save

sudo systemctl restart prometheus

check graphana dash

192.168.1.48:3000 login/password

192.168.1.48:9090/targets

script:
nano prom.sh, copy paste the following, save, then bash prom.sh

#!/bin/bash

cd /tmp

sudo apt-get update

sudo apt-get install curl -y

curl -LO https://github.com/prometheus/node_exporter/releases/download/v0.18.1/node_exporter-0.18.1.linux-amd64.tar.gz

tar -xvf node_exporter-0.18.1.linux-amd64.tar.gz

rm node_exporter-0.18.1.linux-amd64.tar.gz

sudo mv node_exporter-0.18.1.linux-amd64/node_exporter /usr/local/bin/

sudo useradd -rs /bin/false node_exporter

echo "[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" > /etc/systemd/system/node_exporter.service

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