[root@Lin-moniter ~]# yum -y install ntp
[root@Lin-moniter ~]# vi /etc/ntp.conf
# 添加网络范围你允许接收请求
restrict 10.0.0.0 mask 255.255.255.0 nomodify notrap
# 改变服务器同步
#server 0.rhel.pool.ntp.org
#server 1.rhel.pool.ntp.org
#server 2.rhel.pool.ntp.org
server ntp1.jst.mfeed.ad.jp
server ntp2.jst.mfeed.ad.jp
server ntp3.jst.mfeed.ad.jp
[root@Lin-moniter ~]# /etc/rc.d/init.d/ntpd start
Starting ntpd:[ OK ]
[root@Lin-moniter ~]# chkconfig ntpd on
[root@Lin-moniter ~]# ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
ntp1.jst.mfeed. 210.173.160.56 2 u 8 64 1 24.214 1449.94 0.000
ntp2.jst.mfeed. 210.173.160.56 2 u 7 64 1 31.454 1445.03 0.000
ntp3.jst.mfeed. 210.173.160.86 2 u 6 64 1 26.589 1448.61 0.000
客户端上同步 /usr/sbin/ntpdate 10.10.15.229
遇到的错误：
[root@Lin-moniter ~]# ntpq -p
Name or service not known
解：
[root@Lin-moniter ~]# cat /etc/hosts //将主机名写入hosts文件
# Do not remove the following line, or various programs
# that require network functionality will fail.
#127.0.0.1 localhost.localdomain localhost
127.0.0.1 Lin-moniter localhost localhost.localdomain
::1 localhost6.localdomain6 localhost6
10.10.15.212 mfsmaster