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A virtual appliance is a pre-configured virtual machine image, ready to run on a hypervisor; virtual appliances are a subset of the broader class of software appliances. Installation of a software appliance on a virtual machine and packaging that into an image creates a virtual appliance.
Open Virtualization Format (OVF) is an open standard for packaging and distributing virtual appliances or, more generally, software to be run in virtual machines.. The standard describes an "open, secure, portable, efficient and extensible format for the packaging and distribution of software to be run in virtual machines".
In addition to OVF, the single file OVA format is supported; CPU use and I/O bandwidth can be limited per VM; Support for Apple DMG images (DVD) Multi-monitor guest setups for Linux/Solaris guests (previously Windows only) Resizing of disk image formats from Oracle, VDI (VirtualBox disk image), and Microsoft, VHD (Virtual PC hard disk) 4.1 Jul ...
The OVA provided education, best practices and technical advice to help businesses understand and evaluate their virtualization options. The consortium complemented the existing open source communities managing the development of the KVM hypervisor and associated management capabilities, which are rapidly driving technology innovations for ...
The free VMware Player was distinct from VMware Workstation until Player v7, Workstation v11. In 2015 the two packages were combined as VMware Workstation 12, with a free for non-commercial use restricted Player version which, on purchase of a license code, either became the higher-specification VMware Workstation Pro, [ 9 ] [ 10 ] or allowed ...
Fixed hard disk image: a file that is allocated to the size of the virtual disk. Fixed VHDs consist of a raw disk image followed by a VHD footer (512 or formerly 511 bytes). [2] Dynamic hard disk image: a file that at any given time is as large as the actual data written to it, plus the size of the header and footer.
A flat image allocates space ahead of time while a sparse image grows as the virtual machine writes to it. Flat images can use the underlying file system's sparse file capability, as is done with the vmfs format on ESXi. An image can also refer to a parent image and only store changes made in a copy-on-write fashion. This enables creating a ...
Virtual OpenBSD machine configuration in VirtualBox with live image file (6.3-Release-i386-bootonly.iso) The files on a live CD ISO image can be accessed in Microsoft Windows with a disk image emulator such as Daemon Tools, or in Unix variants by mounting a loop device. Later versions of Windows (i.e. Windows 8 and later), and software ...