How to update NTP to sync clock on Linux

If you need to sync the clock on Linux using the central NTP clock service, you can do the following:

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sudo service ntp stop
sudo ntpd -gq
sudo service ntp start

The -gg flags do the following:

1. Tell g flag tells the NTP Daemon to correct the time regardless of the offset
2. The q flag tells it to exit immediately after setting the time