Problems of replicating Virtual Machine

One of the biggest advantages of VMs, is the capability of cloning and replicating them. This allows the creation of a number of similar systems, without having to replicate the configuration and installation time. Unfortunately , there are a small number of downsides:

  • The MAC addresses are also cloned. Remember to generate new MAC addresses on each new cloned VM.
  • Also, Ubunto caches this value, which will generate a typical error message on dmesg: “udev: renamed network interface eth0 to eth1” . To avoid this problem, delete the the fileĀ /etc/udev/rules.d/70-persistent-net.rules and restart the system.

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