wget https://github.com/prometheus/node_exporter/releases/download/v1.8.2/node_exporter-1.8.2.linux-amd64.tar.gz
tar -zxf node_exporter-1.8.2.linux-amd64.tar.gz
mv node_exporter-1.8.2.linux-amd64/node_exporter /usr/local/bin
/usr/local/bin/node_exporter &
/etc/init.d/node_exporter
#!/sbin/openrc-run
command="/usr/local/bin/node_exporter"
pidfile="/var/run/node_exporter.pid"
command_background="yes"
chmod +x /etc/init.d/node_exporter
rc-service node_exporter start
rc-update add node_exporter