Enter an Azure image family by providing publisher, offer, sku and version.

e.g. For the image family
    1. Ubuntu Server 14.04 LTS: Canonical, UbuntuServer, 14.04.2-LTS, latest
    2. Windows Server 2012 Datacenter: MicrosoftWindowsServer, WindowsServer, 2012-R2-Datacenter, latest

The above examples are provided for reference purpose only and actual values supported by Azure may change at any time.
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