Before setting up a new server on a live machine it can sometimes be useful to set up a virtual machine in order to test the configuration. This will allow you to play around with settings and even make mistakes without causing harm to a real system. I like to do this so I can change things over and over until it’s just right, then I can copy the final configuration over to the live system. In this example I will set up a Debian 9 virtual server in Oracle VirtualBox and configure so it can be accessed by the host machine and over a LAN. This means the configuration can be tested from different devices.
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