How to configure a Linux time server

Article Title: how to configure a Linux System Time Server. Linux is a technology channel of the IT lab in China. The IP addresses of some basic classification servers, such as desktop applications, Linux system management, kernel research, embedded systems, and open source, are 192.168.10.1.

1 ). # Rpm-ivh ntp-4.1.2-4.EL3.1.i386.rpm

2 ). # Vi/etc/ntp. conf

Comment a line

Restrict default ignore

Add a row

Restrict 192.168.10.0 mask 255.255.255.0 notrust nomodify notrap

3 ). # Vi/etc/ntp/step-tickers

Add a row

Pool.ntp.org

In this way, the international standard time server will be automatically connected each time ntpd is started;

4 ). # Service ntpd start

5 ). # Netstat-an | grep 123

Make sure that the port is opened in udp mode.

Time client configuration (192.168.10.2)

A. # ntpdate 192.168.10.2

The synchronization is successful.

B. # crond-e

Join

0-59/10 ****/usr/sbin/ntpdate 192.168.10.1

Indicates the synchronization time every 10 minutes.