星期五, 12月 24, 2010

Oracle VirtualBox 4.0 正式版發佈![內附下載連結]



VirtualBox 是一隻虛擬系統軟件 (Virtual Machine),可以在 Windows、Mac OS X、Linux 及 Solaris 主機上進行虛擬化並安裝不同的作業系統。最重要的一點是,VirtualBox 不但是免費,而且是開源,受到不少用家所歡迎。



下載 VirtualBox 4.0


  • VirtualBox 4.0 Oracle VM VirtualBox Extension Pack All platforms
    Support for USB 2.0 devices, VirtualBox RDP and PXE boot for Intel cards



以下為 VirtualBox 4.0 更新資料:
This version is a major update. The following major new features were added:

  • Reorganization of VirtualBox into a base package and Extension Packs; see chapter 1.5, Installing VirtualBox and extension packs, see the manual for more information

  • New settings/disk file layout for VM portability; see chapter 10.1, Where VirtualBox stores its files, see the manual for more information

  • Major rework of the GUI (now called “VirtualBox Manager”):

    • Redesigned user interface with guest window preview (also for screenshots)

    • New “scale” display mode with scaled guest display; see chapter 1.8.5, Resizing the machine’s window, see the manual for more information

    • Support for creating and starting .vbox desktop shortcuts (bug #1889)

    • The VM list is now sortable

    • Machines can now be deleted easily without a trace including snapshots and saved states, and optionally including attached disk images (bug#5511; also, VBoxManage unregistervm --delete can do the same now)

    • Built-in creation of desktop file shortcuts to start VMs on double click (bug #2322)



  • VMM: support more than 1.5/2 GB guest RAM on 32-bit hosts

  • New virtual hardware:

    • Intel ICH9 chipset with three PCI buses, PCI Express and Message Signaled Interrupts (MSI); see chapter 3.4.1, “Motherboard” tab, see the manual for more information

    • Intel HD Audio, for better support of modern guest operating systems (e.g. 64-bit Windows; bug #2785)



  • Improvements to OVF support (see chapter 1.12, Importing and exporting virtual machines, see the manual for more information):

    • Open Virtualization Format Archive (OVA) support

    • Significant performance improvements during export and import

    • Creation of the manifest file on export is optional now

    • Imported disks can have formats other than VMDK



  • Resource control: added support for limiting a VM’s CPU time and IO bandwidth; see chapter 5.8, Limiting bandwidth for disk images, see the manual for more information

  • Storage: support asynchronous I/O for iSCSI, VMDK, VHD and Parallels images

  • Storage: support for resizing VDI and VHD images; see chapter 8.21, VBoxManage modifyhd, see the manual for more information.

  • Guest Additions: support for multiple virtual screens in Linux and Solaris guests using X.Org server 1.3 and later

  • Language bindings: uniform Java bindings for both local (COM/XPCOM) and remote (SOAP) invocation APIs


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

  • VMM: Enable large page support by default on 64-bit hosts (applies to nested paging only)

  • VMM: fixed guru meditation when running Minix (VT-x only; bug #6557)

  • VMM: fixed crash under certain circumstances (Linux hosts only, non VT-x/AMD-V mode only; bugs #4529 and #7819)

  • GUI: add configuration dialog for port forwarding in NAT mode (bug #1657)

  • GUI: show the guest window content on save and restore

  • GUI: certain GUI warnings don’t stop the VM output anymore

  • GUI: fixed black fullscreen minitoolbar on KDE4 hosts (Linux hosts only; bug #5449)

  • BIOS: implemented multi-sector reading to speed up booting of certain guests (e.g. Solaris)

  • Bridged networking: improved throughput by filtering out outgoing packets intended for the host before they reach the physical network (Linux hosts only; bug #7792)

  • 3D support: allow use of CR_SYSTEM_GL_PATH again (bug #6864)

  • 3D support: fixed various clipping/visibility issues (bugs #5659#5794#5848#6018#6187#6570)

  • 3D support: guest application stack corruption when using glGetVertexAttrib[ifd]v (bug #7395)

  • 3D support: fixed OpenGL support for libMesa 7.9

  • 3D support: fixed Unity/Compiz crashes on natty

  • 2D Video acceleration: multimonitor support

  • VRDP: fixed rare crash in multimonitor configuration

  • VRDP: support for upstream audio

  • Display: fixed occasional guest resize crash

  • NAT: port forwarding rules can be applied at runtime

  • SATA: allow to attach CD/DVD-ROM drives including passthrough (bug #7058)

  • Floppy: support readonly image files, taking this as the criteria for making the medium readonly (bug #5651)

  • Audio: fixed memory corruption during playback under rare circumstances

  • Audio: the DirectSound backend now allows VMs to be audible when another DirectSound application is active, including another VM (bug #5578)

  • EFI: support for SATA disks and CDROMs

  • BIOS: reduce the stack usage of the VESA BIOS function #4F01 (Quake fix)

  • OVF/OVA: fixed export of VMs with iSCSI disks

  • Storage: Apple DMG image support for the virtual CD/DVD (bug #6760)

  • Linux host USB support: introduced a less invasive way of accessing raw USB devices (bugs #1093#5345#7759)

  • Linux hosts: support recent Linux kernels with CONFIG_DEBUG_SET_MODULE_RONX set

  • Guest Additions: Shared Folders now can be marked as being auto-mounted on Windows, Linux and Solaris guests

  • Linux Additions: Shared Folders now support symbolic links (bug #818)

  • Linux Additions: combined 32-bit and 64-bit additions into one file

  • Windows Additions: automatic logon on Windows Vista/Windows 7 is now able to handle renamed user accounts; added various bugfixes



[資料來源:Oracle VirtualBox]

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