NTP intranet time synchronization (based on centos6.5)

NTP intranet time synchronization (based on centos6.5)

Server-side:

Installing NTP

Yum Install NTP

Editing a configuration file

Vi/etc/ntp.conf

Add to

Restrict 192.168.10.0 mask 255.255.255.0 nomodify notrap

Server time-b.nist.gov

Other servers are commented out

Vi/etc/sysconf/iptables

Add Iptables Rule

-A input-m state--state new-m udp-p UDP--dport 123-j ACCEPT

Restart Iptables

sudo service iptables restart

Restart NTP

sudo service ntpd restart

Client:

Installing NTP

Yum Install NTP

Editing a configuration file

Vi/etc/ntp.conf

Add to

Server 192.168.10.111

Other servers are commented out

Sync time

sudo ntpdate 192.168.10.111

To add a synchronization command to a task schedule

View Time

Date

All client machines are synchronized with NTP server time!

This article is from the "linux& Cloud computing" blog, so be sure to keep this source http://czbinghe.blog.51cto.com/9824423/1683958

NTP intranet time synchronization (based on centos6.5)