A VMware clone is an identical copy of a VM. VM, the one from whom you create a clone, has the name Parent VM. Clone VM has no connection and interaction with parent VM, so any changes to the clone will not affect the original VM and vice versa. A vSphere template is also a copy of a VM with ordered folders, applications, and a specific configuration, along with permissions to access it.
As you can see from the analysis of VMware clones compared to templates, these two technologies, although quite similar, have very different in terms of their scope and intended use. Depending on the expected result, administrators will choose one or the other technology. This application has been on the market for more than 15 years, during which time it has earned the trust of IT specialists, as well as forensic experts. Deploying virtual machines from templates is blazing fast, very comfortable and if you use linked clones you can optimize your storage by using base images and thin-provisioning.
Proxmox VE includes container based templates since and beginning with the V3. As soon as the VM is converted, it cannot be started anymore and the icon changes. If you want to modify an existing template, you need to deploy a full clone from this template and do the steps above again. For productive usage it is highly recommended that a template does not include any data, user accounts or SSH keys so you should remove all before you convert the VM to a template.
Windows offers a bunch of tools for this, e. A full clone VM is a complete copy and is fully independent from the original VM or VM Template, but it requires the same disk space as the original.
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