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DNF (abbreviation for Dandified YUM) [7] [8] [9] is a package manager for Red Hat-based Linux distributions and derivatives. DNF was introduced in Fedora 18 in 2013 as a replacement for yum; [10] it has been the default package manager since Fedora 22 in 2015 [11] and Red Hat Enterprise Linux 8 [when?] [12] and is also an alternative package manager for Mageia.
Oracle VM Server for x86 is a server virtualization offering from Oracle Corporation.Oracle VM Server for x86 incorporates the free and open-source Xen hypervisor technology, supports Windows, Linux, and Solaris [3] guests and includes an integrated Web based management console.
64-bit Intel or AMD processor with virtualization extensions (Since 2013, Qubes OS only supports 64-bit processors. [16] In addition, since release 4.x, Qubes OS requires either an Intel processor with support for VT-x with EPT and Intel VT-d or an AMD processor with support for AMD-V with RVI (SLAT) and AMD-Vi (aka AMD IOMMU).
DNF also improves on YUM in several ways - improved performance, better resolution of dependency conflicts, and easier integration with other software applications. [11] From RHEL 8 , yum is an alias for DNF .
Yes, (either with para-virtualization or HW virtualization) Yes Paravirtualization, Hardware assisted virtualization Mobile, embedded, security, safety critical, networking, legacy OS, etc. Near native Yes Oracle VirtualBox: Yes Yes Yes Virtualization: Business workstation, server consolidation, service continuity, developer, hobbyist
Resizing of disk image formats from Oracle, VDI (VirtualBox disk image), and Microsoft, VHD (Virtual PC hard disk) 4.1 Jul 19, 2011: Windows Aero support (experimental) Virtual machine cloning; 4.2 Sep 13, 2012: Virtual machine groups – allows management of a group of virtual machines as a single unit (power them on or off, take snapshots, etc.)
The file format of the virtual appliance is the concern of the cloud provider and usually not relevant to the cloud user even though the cloud user may be the owner of the virtual appliance. However, challenges may arise with the transfer of virtual appliance ownership or transfer of virtual appliances between cloud data centers.
Application virtualization is a software technology that encapsulates computer programs from the underlying operating system on which they are executed. A fully virtualized application is not installed in the traditional sense, [ 1 ] although it is still executed as if it were.