edafe.org » ntp http://edafe.org edafe.org is the personal site of Edafe Knabe. Wed, 30 Jun 2010 20:54:53 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Time synchronisation with NTP http://edafe.org/2006/12/time-synchronisation-with-ntp/ http://edafe.org/2006/12/time-synchronisation-with-ntp/#comments Sat, 30 Dec 2006 12:24:27 +0000 edafe http://edafe.org/?p=1211 The NTP protocol allows you to synchronise the clock of your computer with that of dedicated time servers on the Internet.

Get the necessary packages with the following command:

user@ubuntu:~$ sudo apt-get install ntp-simple ntpdate

Stop the ntpd daemon and manually synchronise your computer’s clock with the following two commands:

user@ubuntu:~$ sudo /etc/init.d/ntp-server stop
user@ubuntu:~$ sudo ntpdate pool.ntp.org

Modify the file /etc/ntp.conf to read:

# You do need to talk to an NTP server or two (or three).
#server ntp.your-provider.example
#server ntp.ubuntu.com
server 0.pool.ntp.org
server 1.pool.ntp.org
server 2.pool.ntp.org

Start the ntpd daemon with the following command:

user@ubuntu:~$ sudo /etc/init.d/ntp-server start

After about one minute, query the status of the ntpq daemon with the following command:

user@ubuntu:~$ sudo ntpq -p

You can further increase the accuracy of time synchronisation by using the time servers in your continental or country zone.

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