1. Create user and directory - user/group name : node_exporter $ useradd --no-create-home --shell /bin/false node_exporter $ cat /etc/passwd | grep node_exporter node_exporter:x:1001:1001::/home/node_exporter:/bin/false $ grep node_exporter /etc/group node_exporter:x:1001: 2. Installing node_exporter install and creating config file/directory - download node_exporter from https://prometheus.io/d..