node_exporter on 6

Grafana

https://gist.github.com/eloo/a06d7c70ff2a841b7bb98cd322b851b9
https://gist.github.com/mancubus77/447281619be3731461b73dd4a18593c5

vim /etc/init.d/node_exporter
#!/bin/bash
#
# /etc/rc.d/init.d/node_exporter
#
#  Prometheus node exporter
#
#  description: Prometheus node exporter
#  processname: node_exporter
# Source function library.
. /etc/rc.d/init.d/functions
PROGNAME=node_exporter
PROG=/opt/node_exporter/$PROGNAME
USER=exporter
LOGFILE=/var/log/node_exporter.log
LOCKFILE=/var/run/$PROGNAME.pid
start() {
    echo -n "Starting $PROGNAME: "
    cd /opt/
    daemon --user $USER --pidfile="$LOCKFILE" "$PROG &>$LOGFILE &"
    echo $(pidofproc $PROGNAME) >$LOCKFILE
    echo
}
stop() {
    echo -n "Shutting down $PROGNAME: "
    killproc $PROGNAME
    rm -f $LOCKFILE
    echo
}
case "$1" in
    start)
       start
       ;;
    stop)
       stop
       ;;
    status)
       status $PROGNAME
       ;;
    restart)
       stop
       start
       ;;
    reload)
       echo "Sending SIGHUP to $PROGNAME"
       kill -SIGHUP $(pidofproc $PROGNAME)#!/bin/bash
       ;;
    *)
       echo "Usage: service prometheus {start|stop|status|reload|restart}"
       exit 1
       ;;
esac

chmod +x /etc/init.d/node_exporter

生产场景：

touch /var/log/node_exporter.log
chown exporter.exporter /var/log/node_exporter.log