一,服务端配置

  安装时间服务软件ntp

   yum install ntp -y

   rpm -qa ntp

        配置时间同步服务器

    egrep -v "^$|#" /etc/ntp.conf.bak >/etc/ntp.conf

    vim /etc/ntp.conf


1 driftfile /var/lib/ntp/drift
2 restrict default kod nomodify notrap nopeer noquery
3 restrict -6 default kod nomodify notrap nopeer noquery
4 restrict 127.0.0.1
5 restrict -6 ::1
6 restrict 172.16.1.0 mask 255.255.255.0 nomodify notrap
7 server time1.aliyun.com
8 server ntp1.aliyun.com
9 restrict time1.aliyun.com nomodify notrap noquery
10 restrict ntp1.aliyun.com nomodify notrap noquery
11 server 127.127.1.0
12 fudge 127.127.1.0 stratum 10
13 includefile /etc/ntp/crypto/pw
14 keys /etc/ntp/keys



启动ntp时间服务器
/etc/init.d/ntpd start
查看时间服务器节点
ntpq -p
二,客户机时间同步
ntpdate 10.0.0.70