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| Functionality | Cloud-init | Hypervisor tools |
|---|---|---|
| Set fully qualified domain name (FQDN) |  | |
| Generate a random password at deploy and optionally send by email and/or SMS to owner | | |
| Inject network configuration if no DHCP server is available. | |  |
| Inject SSH keys into guest. | |  |
| Configuration drive with environment variables and user-data presented to guest OS on an ISO disk. |   | |
- For Windows with hypervisor tools use a custom specification instead of an unattend file. See Limitations of a custom specification to configure Windows
- See Configuration drive
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