RHOSP의 Compute 노드들의 NTP 서버 주소를 변경해야할 일이 있어 만들었던 ntp 변경 스크립트입니다.   [root@hk-vm ~]# cat ntp-change.sh#!/bin/bashsleep 1# ntp.conf backup file checkbackup=/etc/ntp.conf-backupif [ ! -e $backup ]; then sudo cp -pr /etc/ntp.conf /etc/ntp.conf-backup echo "###################################" echo " $backup file backup successed....." echo "###################################"else echo "$backup file e..