Ubuntu HPC NTP client setup on compute nodes

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To configure client nodes to take their time update from master use:

1. Install ntp package

   apt install -y ntp ntpdate

2. Edit '/etc/ntp.conf' file and keep only master server as follows:

   server master prefer iburst

3. Set correct time on current system using:

   systemctl stop ntp
   ntpdate -b master

4. Start and enable ntp service

   systemctl start ntp
   systemctl enable ntp

5. Check status of ntp service

   systemctl status ntp
   ntpq -p

   We should see time getting synced with master with st value much less than 16.

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