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Friday, June 25, 2010

Clock synch on Ubuntu 10.04 Lucid on

Running Ubuntu 10.04 Lucid on a

What do we need to do to make the clock time be right?

I tried running without ntp and letting it take the time from the host machine (dom0). This didn't seem to be too bad. Over a few weeks we seemed to build up an error of about 0.3 seconds. I don't know why or how it can be off by such a small amount. Surely it should either be off by more than that, or bang on. Strange.

Anyway I have now turned on the ntp configuration again. We now seem to be running within a handful of milliseconds of the right time and ntpdc -c kerninfo is saying the we are synched. We will have to leave it a few weeks to see how it gets on.

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