Install and configure NTP to synchronize the system clock on CentOS

Q. How do I install and configure NTP under CentOS Linux 5 server to synchronize the system clock? A. You can easily install NTP (Network Time Protocol, a means of transmitting time signals over a computer network) using yum command under Redhat or CentOS/Fedora core Linux. Steps: Login as the root user Type the following command to install ntp

# yum install ntp

Turn on service

# chkconfig ntpd on

Synchronize the system clock with 0.pool.ntp.org server:

# ntpdate pool.ntp.org

Start the NTP:

# /etc/init.d/ntpd start