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CrossNodes: Keeping Accurate Time on Linux

Jan 30, 2004, 08:30 (1 Talkback[s])
(Other stories by Carla Schroder)

[ Thanks to Morgan Wilcox for this link. ]

"Keeping accurate, synchronized time across your network is important for all sorts of reasons: for accurate time stamps in logs, for ensuring that processes run on time, and also for applications that depend on keeping good time. Fortunately, it doesn't have to be a difficult process to manage, as ntpd, the NTP (network time protocol) daemon, can do all the work for you.

"Typically, with ntpd you can 'set it and forget it. The hard part is wading through the documentation and finding the bits that tell you how to implement and configure it, and what programs and configuration files you'll need. You know the old cliché about asking the time and being told how to build a watch? I think the NTP project may have inspired it.

"In this article we'll cover how to set up a local time server on a LAN, without discussing the protocol itself at all, even though it is very cool. Instead, we shall stay focused on telling the time, not on building a watch..."

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