NTP Server

Configure NTP server for time adjustment.

[root@dlp ~]#

yum -y install ntp

[root@dlp ~]#

vi /etc/ntp.conf

# line 14: add the network range you allow to receive requests

restrict 10.0.0.0 mask 255.255.255.0 nomodify notrap

# change servers for synchronization

#

server 0.centos.pool.ntp.org

#

server 1.centos.pool.ntp.org

#

server 2.centos.pool.ntp.org

server ntp1.jst.mfeed.ad.jp

server ntp2.jst.mfeed.ad.jp

server ntp3.jst.mfeed.ad.jp

[root@dlp ~]#

/etc/rc.d/init.d/ntpd start

Starting ntpd:

[ OK ]

[root@dlp ~]#

chkconfig ntpd on

[root@dlp ~]#

ntpq -p

remote

refid

st

t

when

poll

reach

delay

offset

jitter

==========================================================
ntp1.jst.mfeed.

210.173.176.4

2

u

2

64

1

21.227

187904.

0.000

ntp2.jst.mfeed.

210.173.176.4

2

u

1

64

1

21.400

187903.

0.000

ntp3.jst.mfeed.

210.173.176.4

2

u

-

64

1

22.087

187900.

0.000

 

 

sumber : http://www.server-world.info/en/note?os=CentOS_5&p=ntp