How to reset a KVM clone virtual Machines with virt-sysprep on Linux

To reset a KVM clone virtual machine using the virt-sysprep command, follow these steps:

  1. First, shut down the virtual machine that you want to reset.
  2. Next, run the following command to reset the virtual machine:
sudo virt-sysprep -d vmname

Where “vmname” is the name of the virtual machine you want to reset.

  1. This will reset the virtual machine to its original state, removing all user data, configurations, and SSH keys.
  2. You can also specify specific actions to perform during the reset, such as removing the log files, customizations or resetting the ssh keys with options like –logfiles, –customize, –ssh-inject
sudo virt-sysprep -d vmname --logfiles --customize --ssh-inject
  1. Once the virt-sysprep command is finished, you can start the virtual machine again.

Note: virt-sysprep is not included in the default installation of most Linux distributions and must be installed separately.

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