Time Synchronization with ntpdate
Hold on Cowboy
This blog post is pretty old. Be careful with the information you find in here. It's likely dead, dying, or wildly inaccurate.
To synchronize time on a linux machine via a cron job using ntpdate. 0 2 * * * /usr/sbin/ntpdate -u pool.ntp.org ntpdate is the program that goes to the time server pool.ntp.org and updates the system time. The -u just tells it to use an unprivileged port.