How to setup NTP via ssh
Procedure on CentOS
Login as the root user
Type the following command to install ntp
# yum install ntp
Turn on service on boot:
# chkconfig ntpd on
Synchronize the system cloc
k with 0.pool.ntp.org server:
# ntpdate pool.ntp.org
Start the NTP:
# /etc/init.d/ntpd start