#!/bin/bash if [ -e /sys/fs/cgroup/systemd ]; then case "$2" in up) systemctl start ntpd.service ;; down) systemctl stop ntpd.service ;; esac else if [ -e "/etc/rc.d/ntpd" ]; then case "$2" in up) rc.d start ntpd ;; down) rc.d stop ntpd ;; esac fi fi