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CloudStack provides administrators a good control to manage the guest operating systems for the Instances. CloudStack maintains the list of guest operating systems that are supported by the hypervisors and also provides a way for operators or admins to add new guest OSs based on the need. For an operating system to be supported to CloudStack for the Instances, it has to be added in CloudStack and also need to have a mapping with the actual operating system name supported by hypervisor.

Under "Configuration" section there are sub-sections for guest operating system.

Guest OS

A list of supported guest operating systems are shown under Guest OS section and also one can add new operating systems.

To add a new guest OS, click on the button Add guest OS button and following details needs to be provided:

  • OS name : Name of the operating system which will be displayed to the users.
  • OS category : Category of the operating system to which it belongs, eg. Windows, CentOS, Debian, etc.

Guest OS dialog box

Operator also need to add mapping with the actual operating system name supported by hypervisor as below.

Guest OS hypervisor mapping

Existing mappings are shown here and also one can add new mapping to an operating system. To view the mappings of an existing guest OS click on View guest OS mappings button under guest OS details.

Guest OS details form

To a new mapping, inside the sub-section Guest OS mapping button click on Add guest OS mapping button and following details needs to be provided.

  • OS type : Select the operating system type to which mapping needs to be created.
  • Hypervisor : Name of the hypervisor.
  • Hypervisor version : Specific version of the hypervisor. The exact version number found from hypervisor capabilities list.
  • Hypervisor mapping name : Name of the operating system specific to the hypervisor. Eg. For CentOS 5.0 (64-bit) in VMware
    the specific name is "centos64Guest".
  • Check OS name with hypervisor : A toggle button to specify whether to verify the hypervisor mapping name with available
    hypervisor.
  • Force : A toggle button to force add a user defined guest os mapping, overrides any existing user defined mapping.

Guest OS mapping form

Operator can also do operations like edit and delete guest OS and its hypervisor mappings.