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Q: What’s the difference between Rebooting and Restart?


Rebooting 
  • Rebooting is simple booting while already running. When you perform a reboot, the same virtual machine instance is rebooted.  The original virtual machine instance that was provisioned to you is never returned back to Amazon.  The public IP address will not change.
Restart

  • When you stop a server, the associated instance is actually terminated.  Therefore, when you restart the server, another virtual machine instance will be provisioned to you, so it will have new and different public and private IP addresses.

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