[[linux_wiki:ntp]]

Network Time Protocol (NTP)

General Information

Time is important on any system for automated jobs, log files, security, etc. This quick how to will get NTP up and running on a Linux server.

Checklist

  • Distro(s): Enterprise Linux 6

The packages:

  • ntp - the ntp daemon service
  • ntpdate - a utility to run ad-hoc for time setting
  • ntp-doc - ntp documentation
yum install ntp ntpdate ntp-doc

chkconfig ntpd on

ntpdate pool.ntp.org

Visit http://www.pool.ntp.org/zone/north-america and verify the current ntp servers.

They most likely are still (2015-01-07):

  • server 0.north-america.pool.ntp.org
  • server 1.north-america.pool.ntp.org
  • server 2.north-america.pool.ntp.org
  • server 3.north-america.pool.ntp.org

Add the above server lines to /etc/ntp.conf in place of the default servers.

vim /etc/ntp.conf

Finally, start the NTP daemon service.

/etc/init.d/ntpd start
  • linux_wiki/ntp.txt
  • Last modified: 2019/05/26 03:50
  • (external edit)