#!/bin/bash ##### CentOS一键同步时间 ##### ##### Author:xiaoz.me ##### ##### Update:2019-07-27 ##### #安装ntpdate yum -y install ntpdate #设置时区 timedatectl set-local-rtc 1 timedatectl set-timezone Asia/Shanghai #同步时间 ntpdate -u pool.ntp.org ntpd=(`which ntpdate`) #定时任务 echo "*/20 * * * * ${ntpd} pool.ntp.org > /dev/null 2>&1" >> /var/spool/cron/root systemctl reload crond echo "同步成功,当前时间:" date