Samba (正體中文)

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原因: Last updated in 2015, out of sync with English page (請在 Talk:Samba (正體中文) 中討論)

Samba is a re-implementation of the SMB/CIFS networking protocol, it facilitates file and printer sharing among Linux and Windows systems as an alternative to NFS. Some users say that Samba is easily configured and that operation is very straight-forward. However, many new users run into problems with its complexity and non-intuitive mechanism. It is strongly suggested that the user sticks close to the following directions.

Server configuration

To share files with Samba, install samba, from the official repositories.

The Samba server is configured in /etc/samba/smb.conf. Copy the default Samba configuration file to /etc/samba/smb.conf:

# cp /etc/samba/smb.conf.default /etc/samba/smb.conf
提示: Run testparm to check the validity of samba configuration file.

Creating a share

Edit /etc/samba/smb.conf, scroll down to the Share Definitions section. The default configuration automatically creates a share for each user's home directory. It also creates a share for printers by default. There are a number of commented sample configurations included. More information about available options for shared resources can be found in smb.conf(5). Here is the on-line version.

On Windows side, be sure to change smb.conf to the Windows Workgroup. (Windows default: WORKGROUP)

Starting services

To provide basic file sharing through SMB start/enable smbd.service and nmbd.service services. See smbd and nmbd manpages for details.

提示: Instead of having the service running since boot, you can enable smbd.socket so the daemon is started on the first incoming connection. Do not forget to disable smbd.service.

Creating usershare path

註記: This is an optional feature. Skip this section if you do not need it.

"Usershare" is a feature that gives non-root users the capability to add, modify, and delete their own share definitions.

This creates the usershares directory in /var/lib/samba:

# mkdir -p /var/lib/samba/usershare

This makes the group sambashare:

# groupadd sambashare

This changes the owner of the directory and group you just created to root:

# chown root:sambashare /var/lib/samba/usershare

This changes the permissions of the usershares directory so that users in the group sambashare can read, write and execute files:

# chmod 1770 /var/lib/samba/usershare

Set the following variables in smb.conf configuration file:

  usershare path = /var/lib/samba/usershare
  usershare max shares = 100
  usershare allow guests = yes
  usershare owner only = yes

Add your user to the sambashare group. Replace your_username with the name of your user:

# usermod -a -G sambashare your_username

Restart smbd and nmbd services.

Log out and log back in. You should now be able to configure your samba share using GUI. For example, in Thunar you can right click on any directory and share it on the network. If you want to share pathes inside your home directory you must make it listable for the group others.

Adding a user

Create a Linux user account for samba user. Substitute samba_user with preferred name if desired:

# useradd samba_user

Then create a Samba user account with the same name:

# pdbedit -a -u samba_user

Changing Samba user's password

To change a user's password, use smbpasswd:

# smbpasswd samba_user

Required ports

If running a firewall, do not forget to open required Samba ports.

Client configuration

Only smbclient is required to access files from a Samba/SMB/CIFS server. It is available from the official repositories.

Shared resources from other computers on the LAN may be accessed and mounted locally by GUI or CLI methods. Depending on the desktop environment, GUI methods may not be available. See also #File manager configuration for use with a file manager.

There are two parts in sharing access. The first is the underlying file system mechanism, which some environments have built in. The second is the interface which allows the user to mount shared resources.

Manual mounting

For a lighter approach without support for listing public shares, only install cifs-utils to provide /usr/bin/mount.cifs.

To list public shares on a server:

$ smbclient -L hostname -U%

Create a mount point for the share:

# mkdir /mnt/mountpoint

Mount the share using the mount.cifs type. Not all the options listed below are needed or desirable (ie. password).

# mount -t cifs //SERVER/sharename /mnt/mountpoint -o user=username,password=password,workgroup=workgroup,ip=serverip


The Windows system name.


The shared directory.


The local directory where the share will be mounted.

-o [options]

See mount.cifs(8) for more information.
  • Abstain from using a trailing /. //SERVER/sharename/ will not work.
  • If your mount does not work stable, stutters or freezes, try to enable different SMB protocol version with vers= option. For example, vers=2.0 for Windows Vista mount.

Add Share to /etc/fstab

The simplest way to add an fstab entry is something like this:

//SERVER/sharename /mnt/mountpoint cifs username=username,password=password 0 0

However, storing passwords in a world readable file is not recommended! A safer method would be to use a credentials file. As an example, create a file and chmod 600 filename so only the owning user can read and write to it. It should contain the following information:


and the line in your fstab should look something like this:

//SERVER/SHARENAME /mnt/mountpoint cifs credentials=/path/to/credentials/sambacreds 0 0

If using systemd (modern installations), one can utilize the comment=systemd.automount option, which speeds up service boot by a few seconds. Also, one can map current user and group to make life a bit easier, utilizing uid and gid options.

警告: Using the uid and gid options may cause input ouput errors in programs that try to fetch data from network drives.
//SERVER/SHARENAME /mnt/mountpoint cifs credentials=/path/to/smbcredentials,comment=systemd.automount,uid=username,gid=usergroup 0 0
註記: Space in sharename should be replaced by \040 (ASCII code for space in octal). For example, //SERVER/share name on the command line should be //SERVER/share\040name in /etc/fstab.

User mounting

//SERVER/SHARENAME /mnt/mountpoint cifs users,credentials=/path/to/smbcredentials,workgroup=workgroup,ip=serverip 0 0
註記: The option is users (plural). For other filesystem types handled by mount, this option is usually user; sans the "s".

This will allow users to mount it as long as the mount point resides in a directory controllable by the user; i.e. the user's home. For users to be allowed to mount and unmount the Samba shares with mount points that they do not own, use smbnetfs, or grant privileges using sudo.

WINS host names

The smbclient package provides a driver to resolve host names using WINS. To enable it, add “wins” to the “hosts” line in /etc/nsswitch.conf.

Automatic mounting

There are several ways to easily browse shared resources:


註記: smbnetfs needs an intact Samba server setup. See above on how to do that.

First, check if you can see all the shares you are interested in mounting:

$ smbtree -U remote_user

If that does not work, find and modify the following line in /etc/samba/smb.conf accordingly:

domain master = auto

Now restart smbd.service and nmbd.service.

If everything works as expected, install smbnetfs from the official repositories.

Then, add the following line to /etc/fuse.conf:


and load the fuse kernel module:

# modprobe fuse

Now copy the directory /etc/smbnetfs/.smb to your home directory:

$ cp -a /etc/smbnetfs/.smb ~

Then create a link to smb.conf:

$ ln -sf /etc/samba/smb.conf ~/.smb/smb.conf

If a username and a password are required to access some of the shared folders, edit ~/.smb/smbnetfs.auth to include one or more entries like this:

auth			"hostname" "username" "password"

It is also possible to add entries for specific hosts to be mounted by smbnetfs, if necessary. More details can be found in ~/.smb/smbnetfs.conf.

If you are using the Dolphin or Nautilus file managers, you may want to the following to ~/.smb/smbnetfs.conf to avoid "Disk full" errors as smbnetfs by default will report 0 bytes of free space:

free_space_size 1073741824

When you are done with the configuration, you need to run

$ chmod 600 ~/.smb/smbnetfs.*

Otherwise, smbnetfs complains about 'insecure config file permissions'.

Finally, to mount your Samba network neighbourhood to a directory of your choice, call

$ smbnetfs mount_point

The Arch Linux package also maintains an additional system-wide operation mode for smbnetfs. To enable it, you need to make the said modifications in the directoy /etc/smbnetfs/.smb.

Then, you can start and/or enable the smbnetfs daemon as usual. The system-wide mount point is at /mnt/smbnet/.


See Autofs for information on the kernel-based automounter for Linux.

File manager configuration

GNOME Files, Nemo, Thunar and PCManFM

In order to access samba shares through GNOME Files, Nemo, Thunar or PCManFM, install the gvfs-smb package, available in the official repositories.

Press Ctrl+l and enter smb://servername/share in the location bar to access your share.

The mounted share is likely to be present at /run/user/your_UID/gvfs in the filesystem.


KDE, has the ability to browse Samba shares built in. Therefore do not need any additional packages. However, for a GUI in the KDE System Settings, install the kdenetwork-filesharing package from the official repositories.

If when navigating with Dolphin you get a "Time Out" Error, you should uncomment and edit this line in smb.conf:

name resolve order = lmhosts bcast host wins

as shown in this page.

Other graphical environments

There are a number of useful programs, but they may need to have packages created for them. This can be done with the Arch package build system. The good thing about these others is that they do not require a particular environment to be installed to support them, and so they bring along less baggage.

  • pyneighborhoodAUR is available in the official repositories.
  • LinNeighborhood, RUmba, xffm-samba plugin for Xffm are not available in the official repositories or the AUR. As they are not officially (or even unofficially supported), they may be obsolete and may not work at all.

See also