Am 02.12.2013 um 12:07 schrieb Anand Singh <anandsing at gmail.com>: > Hi, I would like to sync my CentOS 6.3 hardware clock time to my NTP > server's time. Can I do that without reboot the hosts? > > If yes, it would be great if anyone of you can provide me steps to do that. > I am newbie in CentOS. i suggest to use the client way to sync your time. Compared to the ntpd way it will not listen on specific network port. Client way means using the /etc/rc.d/init.d/ntpdate service configured in /etc/ntp/step-tickers and /etc/sysconfig/ntpdate. Enabled it via $ chkconfig ntpdate on && service ntpdate start -- LF