Oracle VirtualBox – 免费开源轻量级虚拟机软件!它原先是德国一家软件公司InnoTek所开发的虚拟系统软件(后被SUN收购,而SUN已被Oracle收购),主要核心优势是完全免费,而且性能也很优秀。使用VirtualBox可以在Linux和Windows主机中运行,支持在其中安装 Windows NT 、Linux、OpenBSD 等系列的客户操作系统。

新版变化

https://virtualbox.org/wiki/Changelog

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

Implemented support for importing a virtual machine from Oracle Cloud Infrastructure

Extended support for exporting a virtual machine to Oracle Cloud Infrastructure, allowing the creation of multiple virtual machines without re-uploading. Also added option to export a VM to the cloud using the more efficient variant "paravirtialized", and to specify free-form tags for cloud images

Virtualization core: Support for nested hardware-virtualization on Intel CPUs (starting with 5th generation Core i, codename Broadwell), so far tested only with guest running VirtualBox

Graphics: New style 3D support (with VBoxSVGA and VMSVGA) remains, old style 3D support (with VBoxVGA) has been completely removed

Shared Clipboard: Implemented experimental support for file transfers (Windows hosts/guests only at the moment). Needs to be enabled via VBoxManage (disabled by default). In addition, the following items were fixed and/or added:

Virtualization core: Drop recompiler, i.e. running VMs now needs a CPU supporting hardware virtualization

Runtime: Works now on hosts with many CPUs (limit now 1024)

Appliance and Cloud Import: Add field for defining firmware type (not part of OVF spec and thus manual in the Appliance case, for OCI it is automatically taken from the instance information)

GUI: Improved the VISO creation and file manager dialogs

GUI: Virtual machine list of VirtualBox Manager was improved. Machine groups are now more obvious visually and VM search functionality has been improved. Global Tools element can now be pinned in place, to avoid scrolling it with rest of machine list

GUI: Virtual machine details pane is now extended with embedded editors for selected VM attributes, allowing user to edit them on-the-fly byi clicking corresponding hyper-links without opening VM settings dialog

GUI: Details pane provides more complete information

GUI: Internal medium enumeration routines were optimized to reduce the load and optimize the performance in cases when user have lots of media registered. Also, we again allowed to add existing media (and create new) via Virtual Media Manager

GUI: More consistent medium selection (both showing known images and allowing to select using the file picker)

GUI: VM storage settings page was adjusted a bit in usability regard. User is now allowed to change controller bus type and can move attachments between the controllers by using drag and drop

GUI: Storage and Network settings pages bug-fixes and usability optimization

GUI: Added a new soft (virtual) keyboard enabling arbitrary keyboard input to guests, including multimedia keys

GUI: Fixed crash in cloud related wizards when accessibility functionality was enabled

GUI: Show VM CPU load as part of status bar CPU indicator

GUI: Improved and extended the Session Information dialog

GUI: Fixed/improved mouse pointer scaling

GUI: Some issues related to mouse integration cursor scaling were addressed (bug #14366), more to go

GUI: Fix and unify geometry save/restore in various dialogs

GUI: Added the missing restriction options for disabling new functionality such as the VISO creator

GUI: Popup messages mouse click fix

Graphics: Remove 3D support for VBoxVGA (old one deprecated with 6.0)

Graphics: Additional texture format support on Windows host

Graphics: Improved fix for flickering on Windows host

Input: Added support for horizontal scrolling in the PS/2 mouse device using the IntelliMouse Explorer protocol. Note that this support is automatically used by Linux guests but not by Windows guests

vboximg-mount: Experimental support for direct read-only access to NTFS, FAT and ext2/3/4 filesystems inside a disk image without the need for support on the host

vboximg-mount: Now also available on Linux host

Storage: Experimental support for virtio-scsi, for both hard disks and optical drives (including boot support in BIOS)

Storage: For optical drive emulation fix empty host drive crash

USB: Improvements for EHCI controller implementation

USB: Filter can now specify port path, uniquely identifying a port in a system

NAT: Fix TFTP OACK response, send only if request has options

NAT Network: Use non-blocking sockets on Linux for accepted incoming connections (port forwarding)

PCnet-ISA: Added new network adapter type, currently CLI only

Audio: Allow changing the host audio backend while the VM is in saved state

ACPI: Report NVMe controller

VGA: Improve hardware and BIOS compatibility

VBoxSVGA/VMSVGA: Support YUV2 and related texture formats with hosts using OpenGL (macOS and Linux), which accelerates video playback when 3D is enabled by delegating the color space conversion to the host GPU

VBoxSVGA/VMSVGA: Several drawing fixes for the 3D case

VMSVGA 3D: Fixed OpenGL compressed textures

VBoxManage: More cloud functionality coverage, e.g. starting a cloud instance

VBoxManage: As part of the guest control feature support moving multiple source files/directories to a target directory

Guest Control/VBoxManage: Added support for specifying multiple sources when renaming guest files

VBoxManage: Show "unrestricted guest" and "nested HW virtualization" CPU features when listing the host information

API: Reduce the amount of leftovers from Move VM function

Shared Clipboard: Implemented experimental support for file transfers for Linux hosts on Windows guests (disabled by default)

SMBIOS: Store system UUID in little endian format which is the default for new VMs, while existing VMs stick to the old VirtualBox behavior of storing them in big endian format for backwards compatibility to avoid breaking the activation status of Windows VMs

VBoxSDL frontend: Fixed running on Windows hosts

macOS host: Fix VM crashes (most visible on macOS Catalina)

Linux host: Improve vboxweb systemd service dependency information

Linux host: Drop PCI passthrough, the current code is too incomplete (cannot handle PCIe devices at all), i.e. not useful enough

Linux host and guest: Support Linux 5.4 (bug #18945)

Linux host and guest: Force disabling of kernel module signing during build (user can do it afterwards)

Windows host: When possible, distinguish USB devices by port number; helps with accurate capturing of devices when multiple otherwise identical devices are connected

Windows Guest Additions: Many fixes for drawing problems in the driver for VBoxSVGA

Windows Guest Additions: Fixes for legacy VBoxVGA adapter, restore previously working cases

Windows Guest Additions: Restore VHWA functionality for VBoxSVGA

Windows guest: DXVA implementation for WDDM driver

Documentation: Updated supported host operating systems, added few new manual pages (more to come later)

EFI: Switch to newer firmware code base and add NVRAM support, should improve compatibility with OSes significantly

EFI: Added support for booting from APFS

EFI: Added support for non-standard SATA and NVMe boot device paths created by OS X

EFI: Modified updated EFI code base to support older OS X guests again

软件特点

VirtualBox 6.0 主要特性
—支持Windows 所有平台双向拖放文件;
—支持USB 3.0设备:虚拟机系统可识别USB3.0接口;
—改进了CPU利用率:软件能够利用最新硬件指令发挥最高性能;
—改进了磁盘映像加密:使用行业标准AES算法,这有助于确保数据的安全性;
—增加了编辑菜单,VM窗口的快捷方式图标等功能。

VirtualBox 6.0最大的变化是增加了对硬件辅助虚拟化指令集扩展的支持。AES-NI指令集通常用于加密时的硬件加速,SSE 4.1和SSE 4.2指令集都包括在其中。另外一点是支持Windows和Linux客户机的半虚拟化,一个抽象主机音响设备的新的架构以及支持客户机中的USB 3(xHCI)控制器。

大部分可用性更新都是对 VirtualBox 图形化用户界面的改进。一个大的变化就是支持给单个虚拟主机自定义菜单和工具栏,这样很少或者从不使用的选项就可以彻底删除。另外重要的一点是可以在VirtualBox接口内部对虚拟磁盘进行加密,而不依赖于客户机操作系统自身的磁盘加密功能(假设有的话)。

6.0版本中添加的VirtualBox客户机功能–更好的视频支持,双向复制和粘贴,以及其它功能–在安装的时候也没有问题。(从4.3.18版本就改进了对 Windows 10的支持)。

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