NTP Server Configuration - LINUX

NTP Server configuration  :

This service is responsible for maintaining the system time, which is highly important in any environment because so many things rely on time (logs, error messages, applications, and so on).

Step1: Install the ntp package:

Step2:Edit the configuration file /etc/ntp.conf :  

1. Add the network range you allow to receive requests

restrict 10.0.0.0 mask 255.255.255.0 nomodify  notrap

2. Add the server as shown below

Server ntp1.jst.mffed.ad.jp

Server ntp2.jst.mffed.ad.jp      

Server ntp3. jst.mffed.ad.jp 

(In RHEL6, the local server and fudge options are both commented out by default.)

Step3 : Start the ntpd service

Start the ntpd service and configure on boot with the chkconfig as shown below.

And finally check the result by executing the below command.

Finally, you chec the date command to check the settings of the date on your server.

FOr more information, you can check the Red Hat Website for the NTP NTP - Detail Explanation