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I have a production Ubuntu Server 18.04 running Tomcat in a virtual environment. I'd like to clone it to create a test server with the same configuration.

I realize that it's best to install from scratch, but I am wondering if there's any half-decent way to just clone it? This would be much faster than a fresh install and would ensure that the configuration of the test server matches the production server exactly, except for specific things I would change.

The process of cloning a Windows server is well documented - i.e. sysprep. Is there a similar tool or process for doing things like

  • Resetting DHCP client ID
  • Changing hostname
  • Resetting whatever unique ID's are generated for the "cloudy" features shipping in 18.04?

The correct answer might be that we can't reliably clone 18.04, which would be a shame.

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