Linux Configuration Time Server

[Author]: Kwu

Linux configuration Time server, Big Data cluster time synchronization is very critical, error more than 500ms will have problems, usually configure the intranet time server.

This article takes CentOS6.6 as an example to introduce the configuration of intranet time server:

1. Open NTPD Service

Chkconfig ntpd onchkconfig--list ntpd

2. Configure the service side
Vi/etc/ntp.conf:

Server us.pool.ntp.org minpoll 4fudge 127.127.1.0 stratum 1restrict 127.0.0.1restrict 192.168.0.0 Mask 255.255.255.0 Nomo Dify Notrapdriftfile/var/lib/ntp/drift

Vi/etc/ntp/step-tickers

3. Configure the Client
1) vi/etc/ntp.conf

Server 192.168.2.245fudge 127.127.1.0 stratum 2restrict 127.0.0.1driftfile/var/lib/ntp/driftrestrict 192.168.2.245 Mask 255.255.255.255

Vi/etc/ntp/step-tickers file contents to the clock server IP address

192.168.2.245

2) or

* * * * * */usr/sbin/ntpdate 192.168.2.245 | Logger-t NTP

4, restart the service side and the customer's NTP service

Service NTPD Restart

5, Test time synchronization
Modification time

Date-s "2007-08-03 18:21:15"

Restore the correct time after the sync time, view

Date

Linux Configuration Time Server