76 lines
2.7 KiB
Markdown
76 lines
2.7 KiB
Markdown
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---
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page_title: "SMB - Synced Folders"
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sidebar_current: "syncedfolder-smb"
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---
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# SMB
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**Synced folder type:** `smb`
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Vagrant can use [SMB](http://en.wikipedia.org/wiki/Server_Message_Block)
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as a mechanism to create a bi-directional synced folder between the host
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machine and the Vagrant machine.
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SMB is built-in to Windows machines and provides a higher performance
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alternative to some other mechanisms such as VirtualBox shared folders.
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<div class="alert alert-info">
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<p>
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<strong>Windows only!</strong> SMB is currently only supported
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when the host machine is Windows. The guest machine can be Windows
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or Linux.
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</p>
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</div>
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## Prerequisites
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To use the SMB synced folder type, the machine running Vagrant must be
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a Windows machine. In addition to this, the command prompt executing Vagrant
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must have administrative privileges. Vagrant requires these privileges in
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order to create new network folder shares.
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The destination machine must be able to mount SMB filesystems. On Linux
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the package to do this is usually called `smbfs` or `cifs`. Vagrant knows
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how to automatically install this for some operating systems.
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## Options
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The SMB synced folder type has a variety of options it accepts:
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* `smb_host` (string) - The host IP where the SMB mount is located. If this
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isn't specified, Vagrant will attempt to determine this automatically.
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* `smb_password` (string) - The password used for authentication to mount
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the SMB mount. This is the password for the username specified by
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`smb_username`. If this is not specified, Vagrant will prompt you for it.
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It is highly recommended that you do not set this, since it would expose
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your password directly in your Vagrantfile.
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* `smb_username` (string) - The username used for authentication to mount
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the SMB mount. This is the username to access the mount, _not_ the username
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of the account where the folder is being mounted to. This is usually your
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Windows username. If this isn't specified, Vagrant will prompt you for
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it.
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## Example
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The following is an example of using SMB to sync a folder:
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<pre class="prettyprint">
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Vagrant.configure("2") do |config|
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config.vm.synced_folder ".", "/vagrant", type: "smb"
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end
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</pre>
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## Limitations
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Because SMB is a relatively new synced folder type in Vagrant, it still
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has some rough edges. Hopefully, future versions of Vagrant will address
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these.
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The primary limitation of SMB synced folders at the moment is that they are
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never pruned or cleaned up. Once the folder share is defined, Vagrant never
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removes it. To clean up SMB synced folder shares, periodically run
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`net share` in a command prompt, find the shares you don't want, then
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run `net share NAME /delete` for each, where NAME is the name of the share.
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