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<?xml version="1.0" encoding="utf-8"?>
<section version="5.0" xml:lang="hi" xml:id="draknfs" xmlns="http://docbook.org/ns/docbook"
xmlns:ns5="http://www.w3.org/1998/Math/MathML"
xmlns:ns4="http://www.w3.org/2000/svg"
xmlns:ns3="http://www.w3.org/1999/xhtml"
xmlns:ns2="http://www.w3.org/1999/xlink"
xmlns:ns="http://docbook.org/ns/docbook">
<info>
<title xml:id="draknfs-ti1">Share drives and directories using NFS</title>
<subtitle>draknfs</subtitle>
</info>
<mediaobject>
<imageobject>
<imagedata align="center" fileref="draknfs.png" format="PNG"
revision="1" xml:id="draknfs-im1"/>
</imageobject>
</mediaobject>
<para/>
<section>
<title>Prerequisites</title>
<para>When the wizard<footnote>
<para>You can start this tool from the command line, by typing <emphasis
role="bold">draknfs</emphasis> as root.</para>
</footnote> is launched for the
first time, it may display the following message:</para>
<blockquote>
<para>The package nfs-utils needs to be installed. Do you want to install it?</para>
</blockquote>
<para>After completing the installation, a window with an empty list is displayed.</para>
</section>
<section>
<title>Main window</title>
<para>A list of directories which are shared is displayed. At this step, the list
is empty. The <guibutton>Add</guibutton> button gives access to a
configuration tool.</para>
</section>
<section>
<title>Modify entry</title>
<para>The configuration tool is labeled "Modify entry". It may be also launched
with the <guibutton>Modify</guibutton> button. The following parameters are
available.</para>
<mediaobject>
<imageobject>
<imagedata align="center" fileref="draknfs4.png" format="PNG"
revision="1" xml:id="draknfs-im4"/>
</imageobject>
</mediaobject>
<section>
<title>NFS Directory</title>
<para>Here you can specify which directory is to be shared. The
<guibutton>Directory</guibutton> button gives access to a browser to choose
it.</para>
</section>
<section>
<title>Host access</title>
<para>Here you can specify the hosts that are authorized to access the shared
directory.</para>
<para>NFS clients may be specified in a number of ways:</para>
<para><emphasis>single host</emphasis>: a host either by an abbreviated name
recognized be the resolver, fully qualified domain name, or an IP address</para>
<para><emphasis>netgroups</emphasis>: NIS netgroups may be given as @group.</para>
<para><emphasis>wildcards</emphasis>: machine names may contain the wildcard
characters * and ?. For instance: *.cs.foo.edu matches all hosts in the
domain cs.foo.edu.</para>
<para><emphasis>IP networks</emphasis>: you can also export directories to all
hosts on an IP (sub-)network simultaneously. For example, either
`/255.255.252.0' or `/22' appended to the network base address.</para>
</section>
<section>
<title>User ID Mapping</title>
<para><emphasis>map root user as anonymous</emphasis>: maps requests from uid/gid
0 to the anonymous uid/gid (root_squash). The root user from the client
cannot read or write to the files on the server which are created by root on
the server itself.</para>
<para><emphasis>allow real remote root access</emphasis>: turn off root
squashing. This option is mainly useful for diskless clients
(no_root_squash).</para>
<para><emphasis>map all users to anonymous user</emphasis>: maps all uids and gids
to the anonymous user (all_squash). Useful for NFS-exported public FTP
directories, news spool directories, etc. The opposite option is no user UID
mapping (no_all_squash), which is the default setting.</para>
<para><emphasis>anonuid and anongid</emphasis>: explicitly set the uid and gid of
the anonymous account.</para>
</section>
<section>
<title>विस्तृत विकल्प</title>
<para><emphasis>Secured Connection</emphasis>: this option requires that requests
originate on an internet port less than IPPORT_RESERVED (1024). This option
is on by default.</para>
<para><emphasis>Read-Only share</emphasis>: allow either only read or both read
and write requests on this NFS volume. The default is to disallow any
request which changes the filesystem. This can also be made explicit by
using this option.</para>
<para><emphasis>Synchronous access</emphasis>: prevents the NFS server from
violating the NFS protocol and to reply to requests before any changes made
by these requests have been committed to stable storage (e.g. disc drive).</para>
<para><emphasis>Subtree checking</emphasis>: enable subtree checking which can
help improve security in some cases, but can decrease reliability. See
exports(5) man page for more details.</para>
</section>
</section>
<section>
<title>Menu entries</title>
<para>So far the list has at least one entry.</para>
<mediaobject>
<imageobject>
<imagedata align="center" fileref="draknfs5.png" format="PNG"
revision="1" xml:id="draknfs-im5"/>
</imageobject>
</mediaobject>
<section>
<title>File|Write conf</title>
<para>Save the current configuration.</para>
</section>
<section>
<title>NFS Server|Restart</title>
<para>The server is stopped and restarted with the current configuration files.</para>
</section>
<section>
<title>NFS Server|Reload</title>
<para>The configuration displayed is reloaded from the current configuration
files.</para>
</section>
</section>
</section>
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