Prometheus node_exporter 설치

mkdir /home/ec2-user/node_exporter
cd /home/ec2-user/node_exporter

sudo yum install wget -y

wget https://github.com/prometheus/node_exporter/releases/download/v1.5.0/node_exporter-1.5.0.linux-amd64.tar.gz
tar zxvf node_exporter-1.5.0.linux-amd64.tar.gz
sudo cp node_exporter-1.5.0.linux-amd64/node_exporter /usr/local/bin/

sudo useradd -M -r -s /bin/false node_exporter
sudo chown node_exporter:node_exporter /usr/local/bin/node_exporter

sudo tee /etc/systemd/system/node_exporter.service <<"EOF"
[Unit]
Description=Node Exporter
After=network.target

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

[Install]
WantedBy=multi-user.target
EOF

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