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VirtualBox实现本机和Ubuntu虚拟机之间共享文件夹

[日期:2017-11-07] 来源:Linux社区  作者:Linux [字体: ]

使用VirtualBox实现本机和Ubuntu虚拟机之间共享文件夹,本机和虚拟机同时可以读写此文件夹中文件,即本机和虚拟机通过此文件夹互相传递数据。

第一步:安装完虚拟机
第二步:在虚拟机设置界面,点击共享文件夹(Shared folders),使用自动挂载方式添加共享文件夹
第三部:安装VirtualBox自带的增强功能,运行虚拟机后,在设备–安装增强功能
第四步:重启虚拟机,在/media目录中出现sf_Share目录,此目录中为共享文件夹


第二步可能出现如下错误

模拟错误,sf_Share已正常加载到ubuntu中
翻阅网络和VirtualBox帮助文档中发现, 安装增强功能前需要加载VBoxGuestAdditions.iso,默认安装完ubuntu时,ubuntu的安装程序加载在光驱中,导致VBoxGuestAdditions.iso无法加载。
解决方案:卸载掉ubuntu的安装程序包,重新点击安装增强功能既可以实现加载及安装。
已加载

第四步可能出现如下错误

无权限
 查阅资料发现,VirtualBox自动挂载,此文件夹的用户组别为vboxsf,增加当前用户到vboxsf用户组中;重启虚拟机,当前用户可以正常访问共享文件夹。

修改用户组别

VirtualBox帮助文档介绍(版本:5.0.12.r104815)
3.11. Shared folders
 Shared folders allow you to easily exchange data between a virtual machine and your host. This feature requires that the VirtualBox Guest Additions be installed in a virtual machine and is described in detail in Section 4.3, “Shared folders”.

4.1. Introduction
 .......
 The VirtualBox Guest Additions for all supported guest operating systems are provided as a single CD-ROM image file which is called VBoxGuestAdditions.iso. This image file is located in the installation directory of VirtualBox. To install the Guest Additions for a particular VM, you mount this ISO file in your VM as a virtual CD-ROM and install from there.(使用光盘加载方式加载VBoxGuestAdditions.iso)
The Guest Additions offer the following features:
 ......
 Shared folders(共享目录)
These provide an easy way to exchange files between the host and the guest. Much like ordinary Windows network shares, you can tell VirtualBox to treat a certain host directory as a shared folder, and VirtualBox will make it available to the guest operating system as a network share, irrespective of whether guest actually has a network. For details, please refer to Section 4.3, “Shared folders”.
 ......

`4.3.2. Automatic mounting
 Starting with version 4.0, VirtualBox can mount shared folders automatically, at your option. If automatic mounting is enabled for a specific shared folder, the Guest Additions will automatically mount that folder as soon as a user logs into the guest OS. The details depend on the guest OS type:

With Windows guests, any auto-mounted shared folder will receive its own drive letter (e.g. E:) depending on the free drive letters remaining in the guest.

If there no free drive letters left, auto-mounting will fail; as a result, the number of auto-mounted shared folders is typically limited to 22 or less with Windows guests.

With Linux guests, auto-mounted shared folders are mounted into the /media directory, along with the prefix sf_. For example, the shared folder myfiles would be mounted to /media/sf_myfiles on Linux (linux系统中自动挂载在/media目录中,在共享目录前加上sf_前缀,如共享目录为myfiles,则在linux中挂载的目录为/media/sf_myfiles)and /mnt/sf_myfiles on Solaris.

The guest property /VirtualBox/GuestAdd/SharedFolders/MountPrefix determines the prefix that is used. Change that guest property to a value other than “sf” to change that prefix; see Section 4.7, “Guest properties” for details.

Note
 Access to auto-mounted shared folders is only granted to the user group vboxsf, which is created by the VirtualBox Guest Additions installer. Hence guest users have to be member of that group to have read/write access or to have read-only access in case the folder is not mapped writable.

To change the mount directory to something other than /media, you can set the guest property /VirtualBox/GuestAdd/SharedFolders/MountDir.

Solaris guests behave like Linux guests except that /mnt is used as the default mount directory instead of /media.`

更多Ubuntu相关信息见Ubuntu 专题页面 http://www.linuxidc.com/topicnews.aspx?tid=2

本文永久更新链接地址http://www.linuxidc.com/Linux/2017-11/148335.htm

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