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SMBMOUNT(8) SMBMOUNT(8)
NAME
smbmount - mount an smbfs filesystem
SYNOPSIS
smbmount {service} {mount-point} [-o options]
DESCRIPTION
smbmount mounts a Linux SMB filesystem. It is usually invoked as mount.smbfs by the
mount(8) command when using the "-t smbfs" option. This command only works in Lin-
ux, and the kernel must support the smbfs filesystem.
Options to smbmount are specified as a comma-separated list of key=value pairs. It
is possible to send options other than those listed here, assuming that smbfs sup-
ports them. If you get mount failures, check your kernel log for errors on unknown
options.
smbmount is a daemon. After mounting it keeps running until the mounted smbfs is
umounted. It will log things that happen when in daemon mode using the "machine
name" smbmount, so typically this output will end up in log.smbmount. The smbmount
process may also be called mount.smbfs.
Note
smbmount calls smbmnt(8) to do the actual mount. You must make sure that
smbmnt is in the path so that it can be found.
OPTIONS
username=<arg>
specifies the username to connect as. If this is not given, then the envi-
ronment variable USER is used. This option can also take the form "us-
er%password" or "user/workgroup" or "user/workgroup%password" to allow the
password and workgroup to be specified as part of the username.
password=<arg>
specifies the SMB password. If this option is not given then the environment
variable PASSWD is used. If it can find no passwordsmbmount will prompt for
a passeword, unless the guest option is given.
Note that passwords which contain the argument delimiter character (i.e. a
comma ’,’) will failed to be parsed correctly on the command line. However,
the same password defined in the PASSWD environment variable or a creden-
tials file (see below) will be read correctly.
credentials=<filename>
specifies a file that contains a username and/or password. The format of the
file is:
username = <value>
password = <value>
This is preferred over having passwords in plaintext in a shared file, such
as /etc/fstab. Be sure to protect any credentials file properly.
krb Use kerberos (Active Directory).
netbiosname=<arg>
sets the source NetBIOS name. It defaults to the local hostname.
uid=<arg>
sets the uid that will own all files on the mounted filesystem. It may be
specified as either a username or a numeric uid.
gid=<arg>
sets the gid that will own all files on the mounted filesystem. It may be
specified as either a groupname or a numeric gid.
port=<arg>
sets the remote SMB port number. The default is 445, fallback is 139.
fmask=<arg>
sets the file mask. This determines the permissions that remote files have
in the local filesystem. This is not a umask, but the actual permissions for
the files. The default is based on the current umask.
dmask=<arg>
Sets the directory mask. This determines the permissions that remote direc-
tories have in the local filesystem. This is not a umask, but the actual
permissions for the directories. The default is based on the current umask.
debug=<arg>
Sets the debug level. This is useful for tracking down SMB connection prob-
lems. A suggested value to start with is 4. If set too high there will be a
lot of output, possibly hiding the useful output.
ip=<arg>
Sets the destination host or IP address.
workgroup=<arg>
Sets the workgroup on the destination
sockopt=<arg>
Sets the TCP socket options. See the smb.conf(5) socket options option.
scope=<arg>
Sets the NetBIOS scope
guest Don’t prompt for a password
ro mount read-only
rw mount read-write
iocharset=<arg>
sets the charset used by the Linux side for codepage to charset translations
(NLS). Argument should be the name of a charset, like iso8859-1. (Note: only
kernel 2.4.0 or later)
codepage=<arg>
sets the codepage the server uses. See the iocharset option. Example value
cp850. (Note: only kernel 2.4.0 or later)
ttl=<arg>
sets how long a directory listing is cached in milliseconds (also affects
visibility of file size and date changes). A higher value means that changes
on the server take longer to be noticed but it can give better performance
on large directories, especially over long distances. Default is 1000ms but
something like 10000ms (10 seconds) is probably more reasonable in many cas-
es. (Note: only kernel 2.4.2 or later)
ENVIRONMENT VARIABLES
The variable USER may contain the username of the person using the client. This in-
formation is used only if the protocol level is high enough to support session-lev-
el passwords. The variable can be used to set both username and password by using
the format username%password.
The variable PASSWD may contain the password of the person using the client. This
information is used only if the protocol level is high enough to support ses-
sion-level passwords.
The variable PASSWD_FILE may contain the pathname of a file to read the password
from. A single line of input is read and used as the password.
OTHER COMMANDS
File systems that have been mounted using the smbmount can be unmounted using the
smbumount or the UNIX systemumount command.
BUGS
Passwords and other options containing , can not be handled. For passwords an al-
ternative way of passing them is in a credentials file or in the PASSWD environ-
ment.
The credentials file does not handle usernames or passwords with leading space.
One smbfs bug is important enough to mention here, even if it is a bit misplaced:
· Mounts sometimes stop working. This is usually caused by smbmount terminating.
Since smbfs needs smbmount to reconnect when the server disconnects, the mount
will eventually go dead. An umount/mount normally fixes this. At least 2 ways to
trigger this bug are known.
Note that the typical response to a bug report is suggestion to try the latest ver-
sion first. So please try doing that first, and always include which versions you
use of relevant software when reporting bugs (minimum: samba, kernel, distribution)
SEE ALSO
Documentation/filesystems/smbfs.txt in the linux kernel source tree may contain ad-
ditional options and information.
FreeBSD also has a smbfs, but it is not related to smbmount
For Solaris, HP-UX and others you may want to look at smbsh(1) or at other solu-
tions, such as Sharity or perhaps replacing the SMB server with a NFS server.
AUTHOR
Volker Lendecke, Andrew Tridgell, Michael H. Warfield and others.
The current maintainer of smbfs and the userspace tools smbmount, smbumount, and
smbmnt is Urban Widmark. The SAMBA Mailing list is the preferred place to ask ques-
tions regarding these programs.
The conversion of this manpage for Samba 2.2 was performed by Gerald Carter. The
conversion to DocBook XML 4.2 for Samba 3.0 was done by Alexander Bokovoy.
SMBMOUNT(8)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache/1.3.41 (Unix) PHP/5.2.5 mod_perl/1.30 mod_gzip/1.3.26.1a
Under GNU General Public License
2009-01-10 11:36 @38.103.63.58 CrawledBy CCBot/1.0 (+http://www.commoncrawl.org/bot.html)