#使用阿里云的ntp服务器，time.pool.aliyun.com

#DATE=`date +"%Y-%m-%d %H:%M:%S"`
syncSysTime(){
[ -s /etc/chrony.conf ] || yum -y install chrony
\cp /etc/chrony.conf /etc/chrony.conf.bak
#
sed -i '/^server/s/^./#&/;7 iserver time.pool.aliyun.com iburst' /etc/chrony.conf 
#
systemctl restart chronyd.service
chronyc sources
ntpdate time.pool.aliyun.com
hwclock -w
echo "================================================="
echo "配置时间同步完成"
date 
echo "================================================="
echo ""
 sleep 2
}