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VirtualBox 3.0.0

[ 2009-07-28 17:40:57 | Tác giả: bvl91 ]
Cỡ chữ: Lớn | Bình thường | Nhỏ

VirtualBox 3.0.0 is a general-purpose full virtualizer for hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software. Presently, VirtualBox runs on Windows, Linux, Macintosh and OpenSolaris hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista), DOS/Windows 3.x, Linux (2.4 and 2.6), and OpenBSD. VirtualBox is being actively developed with frequent releases and has an ever growing list of features, supported guest operating systems and platforms it runs on. VirtualBox is a community effort backed by a dedicated company: everyone is encouraged to contribute while Sun ensures the product always meets professional quality criteria.

Some of the features of VirtualBox 3.0.0 are:
• Modularity. VirtualBox has an extremely modular design with well-defined internal programming interfaces and a client/server design. This makes it easy to control it from several interfaces at once: for example, you can start a virtual machine in a typical virtual machine GUI and then control that machine from the command line, or possibly remotely. VirtualBox also comes with a full Software Development Kit: even though it is Open Source Software, you don't have to hack the source to write a new interface for VirtualBox.
• Virtual machine descriptions in XML. The configuration settings of virtual machines are stored entirely in XML and are independent of the local machines. Virtual machine definitions can therefore easily be ported to other computers.
• Guest Additions for Windows and Linux. VirtualBox has special software that can be installed inside Windows and Linux virtual machines to improve performance and make integration much more seamless. Among the features provided by these Guest Additions are mouse pointer integration and arbitrary screen solutions (e.g. by resizing the guest window).
• Shared folders. Like many other virtualization solutions, for easy data exchange between hosts and guests, VirtualBox allows for declaring certain host directories as "shared folders", which can then be accessed from within virtual machines.

VirtualBox 3.0.0 (released 2009-06-30)

This version is a major update. The following major new features were added:

* Guest SMP with up to 32 virtual CPUs (VT-x and AMD-V only; see chapter 3.7.2.2 of the user manual)
* Windows guests: ability to use Direct3D 8/9 applications / games (experimental; see chapter 4.8 of the user manual)
* Support for OpenGL 2.0 for Windows, Linux and Solaris guests

In addition, the following items were fixed and/or added:

* Solaris hosts: allow suspend/resume on the host when a VM is running (bug #3826)
* Solaris hosts: loosen the restriction for contiguous physical memory under certain conditions
* Mac OS X hosts: fixed guest PAE
* Linux hosts: kernel module compile fixes for 2.6.31 (bug #4264)
* VMM: fixed occasional guru meditation when loading a saved state (VT-x only)
* VMM: eliminated IO-APIC overhead with 32 bits guests (VT-x only, some Intel CPUs don’t support this feature (most do); bug #638)
* VMM: fixed 64 bits CentOS guest hangs during early boot (AMD-V only; bug #3927)
* VMM: performance improvements for certain PAE guests (e.g. Linux 2.6.29+ kernels)
* VMM: some Windows guests detected a completely wrong CPU frequency (bug #2227)
* VMM: fixed hanging and unkillable VM processes (bug #4040)
* VMM: fixed random infrequent guest crashes due to XMM state corruption (Win64 hosts only)
* VMM: performance improvements for network I/O (VT-x/AMD-V only)
* GUI: added mini toolbar for fullscreen and seamless mode (Thanks to Huihong Luo)
* GUI: redesigned settings dialogs
* GUI: allow to create/remove more than one host-only network adapters (non Windows hosts)
* GUI: display estimated time for long running operations (e.g. OVF import/export)
* GUI: fixed rare hangs when open the OVF import/export wizards (bug #4157)
* 3D support: fixed VM crashes for client applications using incorrect OpenGL states
* 3D support: fixed memory corruption when querying for supported texture compression formats
* 3D support: fixed incorrect rendering of glDrawRangeElements
* 3D support: fixed memory leak when using VBOs
* 3D support: fixed glew library detection
* 3D support: fixed random textures corruption
* VRDP: support Windows 7 RDP client
* Networking: fixed another problem with TX checksum offloading with Linux kernels up to version 2.6.18
* NAT: fixed “open ports on virtual router 10.0.2.2 - 513, 514” (forum)
* NAT: allow to configure socket and internal parameters
* NAT: allow to bind sockets to specific interface
* PXE boot: significant performance increase (VT-x/AMD-V only)
* VHD: properly write empty sectors when cloning of VHD images (bug #4080)
* VHD: fixed crash when discarding snapshots of a VHD image
* VHD: fixed access beyond the block bitmap which could lead to arbitrary crashes
* VBoxManage: fixed incorrect partition table processing when creating VMDK files giving raw partition access (bug #3510)
* VBoxManage: support cloning to existing image file
* OVF: several OVF 1.0 compatibility fixes
* OVF: fixed exporting of disk images when multiple virtual machines are exported at once
* Virtual mouse device: eliminated micro-movements of the virtual mouse which were confusing some applications (bug #3782)
* Shared Folders: sometimes a file was created using the wrong permissions (2.2.0 regression; bug #3785)
* Shared Folders: allow to change file attributes from Linux guests and use the correct file mode when creating files
* Shared Folders: some content was incorrectly written under certain conditions (bug #1187)
* Shared Folders: fixed incorrect file timestamps, when using Windows guest on a Linux host (bug #3404)
* X11 clipboard: fix duplicate end of lines (bug #4270)
* X11 guests: a number of shared clipboard fixes
* Linux guests: Guest Additions support for SUSE Linux Enterprise Desktop 11
* Linux guests: new daemon vboxadd-service to handle time synchronization and guest property lookup
* Linux guests: implemented guest properties (OS info, logged in users, basic network information)
* Windows host installer: VirtualBox Python API can now be installed automatically (requires Python and Win32 Extensions installed)
* USB: Support for high-speed isochronous endpoints has been added. In addition, read-ahead buffering is performed for input endpoints (currently Linux hosts only). This should allow additional devices to work, notably webcams (bug #242).
* USB: fixed error handling for some USB dongles
* Web service: fixed inability to handle NULL pointers for object arguments, which are valid values for a lot of APIs, in both the raw and the object-oriented web service.
* Web service: object-oriented bindings for JAX-WS did not exhibit interface inheritance correctly, fixed
* Web service: added support for IDisplay and IGuest interfaces, which were previously unavailable
* Registration dialog uses Sun Online accounts now

Homepage - Trang chủ (http://www.virtualbox.org/)

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