Node Exporter (prometheus) debian install

node_exporter_install.sh

# put your version instead of "1.2.2"
wget https://github.com/prometheus/node_exporter/releases/download/v1.2.2/node_exporter-1.2.2.linux-amd64.tar.gz &&
tar xf node_exporter-1.2.2.linux-amd64.tar.gz &&
cd node_exporter-1.2.2.linux-amd64/ &&
cp node_exporter /usr/local/bin &&
useradd --no-create-home --home-dir / --shell /bin/false node_exporter
echo '[Unit]
Description=Prometheus Node Exporter
After=network.target

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

SyslogIdentifier=node_exporter
Restart=always

PrivateTmp=yes
ProtectHome=yes
NoNewPrivileges=yes

ProtectSystem=strict
ProtectControlGroups=true
ProtectKernelModules=true
ProtectKernelTunables=yes

[Install]
WantedBy=multi-user.target' > /etc/systemd/system/node_exporter.service &&
systemctl daemon-reload &&
systemctl start node_exporter &&
systemctl status node_exporter