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author | Jelmer Vernooij <jelmer@samba.org> | 2005-05-02 08:28:41 +0000 |
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committer | Gerald W. Carter <jerry@samba.org> | 2008-04-23 08:46:32 -0500 |
commit | 12ac16f5b066c1aacc64ff4bf24dbf7eb1ee66b2 (patch) | |
tree | 8be9c319a46d0a64455a941258a8acfec10dc8fc /docs/manpages-3/mount.cifs.8.xml | |
parent | 576eac8561eef8ab72c546cb7d9e26e77c20e3fd (diff) | |
download | samba-12ac16f5b066c1aacc64ff4bf24dbf7eb1ee66b2.tar.gz samba-12ac16f5b066c1aacc64ff4bf24dbf7eb1ee66b2.tar.bz2 samba-12ac16f5b066c1aacc64ff4bf24dbf7eb1ee66b2.zip |
Rename manpages to manpages-3 so I can pull in the Samba 4 manpages later
(This used to be commit 6f54f8c770553b8b42a948436dc6db37a155ab2f)
Diffstat (limited to 'docs/manpages-3/mount.cifs.8.xml')
-rw-r--r-- | docs/manpages-3/mount.cifs.8.xml | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/docs/manpages-3/mount.cifs.8.xml b/docs/manpages-3/mount.cifs.8.xml new file mode 100644 index 0000000000..bdccc1399e --- /dev/null +++ b/docs/manpages-3/mount.cifs.8.xml @@ -0,0 +1,473 @@ +<?xml version="1.0" encoding="iso-8859-1"?> +<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc"> +<refentry id="mount.cifs.8"> + +<refmeta> + <refentrytitle>mount.cifs</refentrytitle> + <manvolnum>8</manvolnum> +</refmeta> + + +<refnamediv> + <refname>mount.cifs</refname> + <refpurpose>mount using the Common Internet File System (CIFS)</refpurpose> +</refnamediv> + +<refsynopsisdiv> + <cmdsynopsis> + + <command>mount.cifs</command> + <arg choice="req">service</arg> + <arg choice="req">mount-point</arg> + <arg choice="opt">-o options</arg> + </cmdsynopsis> +</refsynopsisdiv> + +<refsect1> + <title>DESCRIPTION</title> + + <para>This tool is part of the <citerefentry><refentrytitle>samba</refentrytitle> + <manvolnum>7</manvolnum></citerefentry> suite.</para> + + <para>mount.cifs mounts a Linux CIFS filesystem. It +is usually invoked indirectly by +the <citerefentry><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry> command when using the +"-t cifs" option. This command only works in Linux, and the kernel must +support the cifs filesystem. The CIFS protocol is the successor to the +SMB protocol and is supported by most Windows servers and many other +commercial servers and Network Attached Storage appliances as well as +by the popular Open Source server Samba. + </para> + + <para> + The mount.cifs utility attaches the UNC name (exported network resource) to + the local directory <emphasis>mount-point</emphasis>. It is possible to set the mode for mount.cifs to +setuid root to allow non-root users to mount shares to directories for which they +have write permission. + </para> + + <para> + Options to <emphasis>mount.cifs</emphasis> are specified as a comma-separated +list of key=value pairs. It is possible to send options other +than those listed here, assuming that the cifs filesystem kernel module (cifs.ko) supports them. +Unrecognized cifs mount options passed to the cifs vfs kernel code will be logged to the +kernel log. + + </para> + + <para><emphasis>mount.cifs</emphasis> causes the cifs vfs to launch a thread named cifsd. After mounting it keeps running until + the mounted resource is unmounted (usually via the umount utility). + </para> + +</refsect1> + +<refsect1> + <title>OPTIONS</title> + <variablelist> + <varlistentry><term>user=<replaceable>arg</replaceable></term> + + <listitem><para>specifies the username to connect as. If + this is not given, then the environment variable <emphasis>USER</emphasis> is used. This option can also take the +form "user%password" or "workgroup/user" or +"workgroup/user%password" to allow the password and workgroup +to be specified as part of the username. + </para> + +<note> + <para> + The cifs vfs accepts the parameter <parameter>user=</parameter>, or for users familiar with smbfs it accepts the longer form of the parameter <parameter>username=</parameter>. Similarly the longer smbfs style parameter names may be accepted as synonyms for the shorter cifs parameters <parameter>pass=</parameter>,<parameter>dom=</parameter> and <parameter>cred=</parameter>. + </para> +</note> + + </listitem> + </varlistentry> + + <varlistentry><term>password=<replaceable>arg</replaceable></term> + + <listitem><para>specifies the CIFS password. If this +option is not given then the environment variable +<emphasis>PASSWD</emphasis> is used. If the password is not specified +directly or indirectly via an argument to mount <emphasis>mount.cifs</emphasis> will prompt +for a password, unless the guest option is specified. +</para> + +<para>Note that a password which contains the delimiter +character (i.e. a comma ',') will fail to be parsed correctly +on the command line. However, the same password defined +in the PASSWD environment variable or via a credentials file (see +below) or entered at the password prompt will be read correctly. +</para> + </listitem></varlistentry> + + <varlistentry><term>credentials=<replaceable>filename</replaceable></term> + + <listitem><para> + specifies a file that contains a username + and/or password. The format of the file is: + </para> + +<programlisting> + username=<replaceable>value</replaceable> + password=<replaceable>value</replaceable> +</programlisting> + + <para> +This is preferred over having passwords in plaintext in a +shared file, such as <filename>/etc/fstab</filename>. Be sure to protect any +credentials file properly. + </para> + </listitem></varlistentry> + + <varlistentry> + <term>uid=<replaceable>arg</replaceable></term> + + <listitem><para>sets the uid that will own all files on + the mounted filesystem. + It may be specified as either a username or a numeric uid. + This parameter is ignored when the target server supports + the CIFS Unix extensions.</para></listitem> + </varlistentry> + + <varlistentry> + <term>gid=<replaceable>arg</replaceable></term> + + <listitem><para>sets the gid that will own all files on +the mounted filesystem. +It may be specified as either a groupname or a numeric +gid. This parameter is ignored when the target server supports +the CIFS Unix extensions. + </para></listitem> + </varlistentry> + + <varlistentry> + <term>port=<replaceable>arg</replaceable></term> + + <listitem><para>sets the port number on the server to attempt to contact to negotiate +CIFS support. If the CIFS server is not listening on this port or +if it is not specified, the default ports will be tried i.e. +port 445 is tried and if no response then port 139 is tried. + </para></listitem> + </varlistentry> + + <varlistentry> + <term>netbiosname=<replaceable>arg</replaceable></term> + + <listitem><para>When mounting to servers via port 139, specifies the RFC1001 + source name to use to represent the client netbios machine + name when doing the RFC1001 netbios session initialize. + </para></listitem> + </varlistentry> + + <varlistentry> + <term>file_mode=<replaceable>arg</replaceable></term> + + <listitem><para>If the server does not support the CIFS Unix extensions this + overrides the default file mode.</para></listitem> + </varlistentry> + + <varlistentry> + <term>dir_mode=<replaceable>arg</replaceable></term> + + <listitem><para>If the server does not support the CIFS Unix extensions this + overrides the default mode for directories. </para></listitem> + </varlistentry> + + <varlistentry> + <term>ip=<replaceable>arg</replaceable></term> + + <listitem><para>sets the destination host or IP address.</para></listitem> + </varlistentry> + + <varlistentry> + <term>domain=<replaceable>arg</replaceable></term> + + <listitem><para>sets the domain (workgroup) of the user </para></listitem> + </varlistentry> + + <varlistentry> + <term>guest</term> + + <listitem><para>don't prompt for a password </para></listitem> + + </varlistentry> + + <varlistentry> + <term>iocharset</term> + + <listitem><para>Charset used to convert local path names to and from + Unicode. Unicode is used by default for network path + names if the server supports it. If iocharset is + not specified then the nls_default specified + during the local client kernel build will be used. + If server does not support Unicode, this parameter is + unused. </para></listitem> + + </varlistentry> + + <varlistentry> + <term>ro</term> + + <listitem><para>mount read-only</para></listitem> + + </varlistentry> + + <varlistentry> + <term>rw</term> + <listitem><para>mount read-write</para></listitem> + </varlistentry> + + <varlistentry> + <term>setuids</term> + <listitem><para>If the CIFS Unix extensions are negotiated with the server + the client will attempt to set the effective uid and gid of + the local process on newly created files, directories, and + devices (create, mkdir, mknod).</para></listitem> + </varlistentry> + + <varlistentry> + <term>nosetuids</term> + <listitem><para>The client will not attempt to set the uid and gid on + on newly created files, directories, and devices (create, + mkdir, mknod) which will result in the server setting the + uid and gid to the default (usually the server uid of the + user who mounted the share). Letting the server (rather than + the client) set the uid and gid is the default. This + parameter has no effect if the CIFS Unix Extensions are not + negotiated.</para></listitem> + </varlistentry> + + <varlistentry> + <term>perm</term> + <listitem><para>Client does permission checks (vfs_permission check of uid + and gid of the file against the mode and desired operation), + Note that this is in addition to the normal ACL check on the + target machine done by the server software. + Client permission checking is enabled by default.</para></listitem> + </varlistentry> + + <varlistentry> + <term>noperm</term> + <listitem><para>Client does not do permission checks. This can expose + files on this mount to access by other users on the local + client system. It is typically only needed when the server + supports the CIFS Unix Extensions but the UIDs/GIDs on the + client and server system do not match closely enough to allow + access by the user doing the mount. + Note that this does not affect the normal ACL check on the + target machine done by the server software (of the server + ACL against the user name provided at mount time).</para></listitem> + </varlistentry> + + <varlistentry> + <term>directio</term> + <listitem><para>Do not do inode data caching on files opened on this mount. + This precludes mmaping files on this mount. In some cases + with fast networks and little or no caching benefits on the + client (e.g. when the application is doing large sequential + reads bigger than page size without rereading the same data) + this can provide better performance than the default + behavior which caches reads (readahead) and writes + (writebehind) through the local Linux client pagecache + if oplock (caching token) is granted and held. Note that + direct allows write operations larger than page size + to be sent to the server. On some kernels this requires the cifs.ko module + to be built with the CIFS_EXPERIMENTAL configure option.</para></listitem> + </varlistentry> + + <varlistentry> + <term>mapchars</term> + <listitem><para>Translate six of the seven reserved characters (not backslash, but including the colon, question mark, pipe, asterik, greater than and less than characters) + to the remap range (above 0xF000), which also + allows the CIFS client to recognize files created with + such characters by Windows's POSIX emulation. This can + also be useful when mounting to most versions of Samba + (which also forbids creating and opening files + whose names contain any of these seven characters). + This has no effect if the server does not support + Unicode on the wire.</para></listitem> + </varlistentry> + + <varlistentry> + <term>nomapchars</term> + <listitem><para>Do not translate any of these seven characters (default)</para></listitem> + </varlistentry> + + <varlistentry> + <term>intr</term> + <listitem><para>currently unimplemented</para></listitem> + </varlistentry> + + <varlistentry> + <term>nointr</term> + <listitem><para>(default) currently unimplemented </para></listitem> + </varlistentry> + + <varlistentry> + <term>hard</term> + <listitem><para>The program accessing a file on the cifs mounted file system will hang when the + server crashes.</para></listitem> + </varlistentry> + + <varlistentry> + <term>soft</term> + <listitem><para>(default) The program accessing a file on the cifs mounted file system will not hang when the server crashes and will return errors to the user application.</para></listitem> + </varlistentry> + + <varlistentry> + <term>--verbose</term> + <listitem><para>Print additional debugging information for the mount. Note that this parameter must be specified before the -o. For example:</para><para>mount -t cifs //server/share /mnt --verbose -o user=username</para></listitem> + </varlistentry> + + <varlistentry> + <term>noacl</term> + <listitem><para>Do not allow POSIX ACL operations even if server would support them.</para><para> + The CIFS client can get and set POSIX ACLs (getfacl, setfacl) to Samba servers + version 3.10 and later. Setting POSIX ACLs requires enabling both XATTR and + then POSIX support in the CIFS configuration options when building the cifs + module. POSIX ACL support can be disabled on a per mount basic by specifying + "noacl" on mount.</para> + </listitem> + </varlistentry> + + <varlistentry> + <term>serverino</term> + <listitem><para>Use inode numbers (unique persistent file identifiers) + returned by the server instead of automatically generating + temporary inode numbers on the client. Although server inode numbers + make it easier to spot hardlinked files (as they will have + the same inode numbers) and inode numbers may be persistent (which is + userful for some sofware), + the server does not guarantee that the inode numbers + are unique if multiple server side mounts are exported under a + single share (since inode numbers on the servers might not + be unique if multiple filesystems are mounted under the same + shared higher level directory). Note that not all + servers support returning server inode numbers, although + those that support the CIFS Unix Extensions, and Windows 2000 and + later servers typically do support this (although not necessarily + on every local server filesystem). Parameter has no effect if + the server lacks support for returning inode numbers or equivalent. + </para></listitem> + </varlistentry> + + <varlistentry> + <term>noserverino</term> + <listitem><para>client generates inode numbers (rather than using the actual one + from the server) by default. + </para></listitem> + </varlistentry> + + <varlistentry> + <term>nouser_xattr</term> + <listitem><para>(default) Do not allow getfattr/setfattr to get/set xattrs, even if server would support it otherwise. </para></listitem> + </varlistentry> + + <varlistentry> + <term>rsize=<replaceable>arg</replaceable></term> + <listitem><para>default network read size</para></listitem> + </varlistentry> + + <varlistentry> + <term>wsize=<replaceable>arg</replaceable></term> + + <listitem><para>default network write size</para></listitem> + </varlistentry> + + </variablelist> +</refsect1> + +<refsect1> + <title>ENVIRONMENT VARIABLES</title> + + <para> + The variable <emphasis>USER</emphasis> may contain the username of the +person to be used to authenticate to the server. +The variable can be used to set both username and +password by using the format username%password. + </para> + + <para> + The variable <emphasis>PASSWD</emphasis> may contain the password of the +person using the client. + </para> + + <para> + The variable <emphasis>PASSWD_FILE</emphasis> may contain the pathname +of a file to read the password from. A single line of input is +read and used as the password. + </para> + +</refsect1> + +<refsect1> + <title>NOTES</title> + + <para>This command may be used only by root, unless installed setuid, in which case the noeexec and nosuid mount flags are enabled.</para> +</refsect1> + +<refsect1> + <title>CONFIGURATION</title> + <para> +The primary mechanism for making configuration changes and for reading +debug information for the cifs vfs is via the Linux /proc filesystem. +In the directory <filename>/proc/fs/cifs</filename> are various +configuration files and pseudo files which can display debug information. +For more information see the kernel file <filename>fs/cifs/README</filename>. +</para> +</refsect1> + +<refsect1> + <title>BUGS</title> + + <para>Mounting using the CIFS URL specification is currently not supported. + </para> + + <para>The credentials file does not handle usernames or passwords with + leading space.</para> + + <para> +Note that the typical response to a bug report is a suggestion +to try the latest version first. So please try doing that first, +and always include which versions you use of relevant software +when reporting bugs (minimum: mount.cifs (try mount.cifs -V), kernel (see /proc/version) and +server type you are trying to contact. +</para> +</refsect1> + + + +<refsect1> + <title>VERSION</title> + + <para>This man page is correct for version 1.34 of + the cifs vfs filesystem (roughly Linux kernel 2.6.12).</para> +</refsect1> + +<refsect1> + <title>SEE ALSO</title> + <para> + Documentation/filesystems/cifs.txt and fs/cifs/README in the linux kernel + source tree may contain additional options and information. +</para> + <para><citerefentry><refentrytitle>umount.cifs</refentrytitle> + <manvolnum>8</manvolnum></citerefentry></para> + +</refsect1> + +<refsect1> + <title>AUTHOR</title> + + <para>Steve French</para> + + <para>The syntax and manpage were loosely based on that of smbmount. It + was converted to Docbook/XML by Jelmer Vernooij.</para> + + <para>The maintainer of the Linux cifs vfs and the userspace + tool <emphasis>mount.cifs</emphasis> is <ulink url="mailto:sfrench@samba.org">Steve French</ulink>. + The <ulink url="mailto:linux-cifs-client@lists.samba.org">Linux CIFS Mailing list</ulink> + is the preferred place to ask questions regarding these programs. + </para> + +</refsect1> + +</refentry> |