[d47e7ea9] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[ff769b8c] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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[d47e7ea9] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY nfs-utils-download-http "http://ftp.kernel.org/pub/linux/utils/nfs/nfs-utils-&nfs-utils-version;.tar.gz">
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| 8 | <!ENTITY nfs-utils-download-ftp "ftp://ftp.kernel.org/pub/linux/utils/nfs/nfs-utils-&nfs-utils-version;.tar.gz">
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[a16cb066] | 9 | <!ENTITY nfs-utils-md5sum "8f863120261cd572ad320a9152581e11">
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| 10 | <!ENTITY nfs-utils-size "396 KB">
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| 11 | <!ENTITY nfs-utils-buildsize "5.8 MB">
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| 12 | <!ENTITY nfs-utils-time "0.2 SBU">
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[d47e7ea9] | 13 | ]>
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| 14 |
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[547df0bc] | 15 | <sect1 id="nfs-utils" xreflabel="NFS Utilities-&nfs-utils-version;">
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[a0f03b0] | 16 | <sect1info>
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[a16cb066] | 17 | <othername>$LastChangedBy$</othername>
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| 18 | <date>$Date$</date>
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[a0f03b0] | 19 | </sect1info>
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[a16cb066] | 20 |
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[00bb024c] | 21 | <?dbhtml filename="nfs-utils.html"?>
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[547df0bc] | 22 | <title>NFS Utilities-&nfs-utils-version;</title>
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[176b211] | 23 |
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[a16cb066] | 24 | <indexterm zone="nfs-utils">
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[eaf6a1cd] | 25 | <primary sortas="a-Nfs-utils">NFS Utilities</primary>
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[a16cb066] | 26 | </indexterm>
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| 27 |
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[eaf6a1cd] | 28 | <sect2 role="package">
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| 29 | <title>Introduction to <application>NFS Utilities</application></title>
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[d47e7ea9] | 30 |
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[eaf6a1cd] | 31 | <para>The <application>NFS Utilities</application> package contains the userspace
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[4b067af] | 32 | server and client tools necessary to use the kernel's nfs abilities.
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[f5f7f9d] | 33 | <acronym>NFS</acronym> is a protocol that allows sharing file systems over the
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| 34 | network.</para>
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[d47e7ea9] | 35 |
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[a16cb066] | 36 | <bridgehead renderas="sect3">Package information</bridgehead>
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[d47e7ea9] | 37 | <itemizedlist spacing='compact'>
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[a16cb066] | 38 | <listitem><para>Download (HTTP): <ulink url="&nfs-utils-download-http;"/></para></listitem>
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| 39 | <listitem><para>Download (FTP): <ulink url="&nfs-utils-download-ftp;"/></para></listitem>
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| 40 | <listitem><para>Download MD5 sum: &nfs-utils-md5sum;</para></listitem>
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| 41 | <listitem><para>Download size: &nfs-utils-size;</para></listitem>
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| 42 | <listitem><para>Estimated disk space required: &nfs-utils-buildsize;</para></listitem>
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| 43 | <listitem><para>Estimated build time: &nfs-utils-time;</para></listitem>
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| 44 | </itemizedlist>
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| 45 |
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[eaf6a1cd] | 46 | <bridgehead renderas="sect3">NFS Utilities Dependencies</bridgehead>
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[a16cb066] | 47 | <bridgehead renderas="sect4">Required</bridgehead>
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| 48 |
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[d47e7ea9] | 49 | <para><xref linkend="portmap"/></para>
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[a16cb066] | 50 |
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| 51 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 52 | <para><ulink url="http://www.monkey.org/~provos/libevent/">libevent</ulink>
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| 53 | and <ulink url="http://www.citi.umich.edu/projects/nfsv4/linux/libnfsidmap/">libnsfidmap</ulink>
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[4b067af] | 54 | for nfsv4 support, and <xref linkend="mitkrb"/> or <xref linkend="heimdal"/>
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| 55 | for gss (RPC Security) support.
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[a16cb066] | 56 | </para>
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[d47e7ea9] | 57 |
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| 58 | </sect2>
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| 59 |
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[eaf6a1cd] | 60 | <sect2 role="kernel" id='nfs-utils-kernel'>
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[d47e7ea9] | 61 | <title>Kernel Configuration</title>
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| 62 |
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| 63 | <para>Enable the following options in the kernel configuration
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| 64 | and recompile the kernel if neccessary:</para>
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| 65 |
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[eaf6a1cd] | 66 | <screen><literal>File systems:
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[d47e7ea9] | 67 | Network File Systems:
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| 68 | NFS File System Support: M or Y
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[eaf6a1cd] | 69 | NFS Server Support: M or Y</literal></screen>
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[d47e7ea9] | 70 |
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| 71 | <para>Select the appropriate sub-options that appear when the above options
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| 72 | are selected.</para>
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| 73 |
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[a16cb066] | 74 | <indexterm zone="nfs-utils nfs-utils-kernel">
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| 75 | <primary sortas="d-nfs-utils">NFS Utilities</primary>
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| 76 | </indexterm>
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[d47e7ea9] | 77 | </sect2>
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| 78 |
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[eaf6a1cd] | 79 | <sect2 role="installation">
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| 80 | <title>Installation of NFS Utilities</title>
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[d47e7ea9] | 81 |
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[eaf6a1cd] | 82 | <para>Before you compile the program, you need to be sure the <systemitem
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| 83 | class="username">nobody</systemitem> user and <systemitem
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| 84 | class="groupname">nogroup</systemitem> group are available. You can add these by
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| 85 | running the following commands as the <systemitem class="username">root</systemitem>
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| 86 | user:</para>
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[a16cb066] | 87 |
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[eaf6a1cd] | 88 | <screen role="root"><userinput>groupadd -g 99 nogroup &&
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| 89 | useradd -c nobody -d /home -g nogroup -s /bin/bash -u 99 nobody</userinput></screen>
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[d47e7ea9] | 90 |
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[a16cb066] | 91 | <note><para>The classic uid and gid values are 65534 which is also -2 when
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| 92 | interpreted as a signed 16-bit number. These values impact other files on
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[eaf6a1cd] | 93 | some filesystems that do not have support for sparse files. The <systemitem
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| 94 | class="username">nobody</systemitem> and <systemitem
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| 95 | class="groupname">nogroup</systemitem> values have small impact.
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| 96 | The impact on a server is nil if the exports file is configured correctly. If it is misconfigured,
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| 97 | the impact is that a <command>ls -l</command> or <command>ps</command> listing
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| 98 | will show a uid or gid number of 65534 instead of a name. The client uses <systemitem
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| 99 | class="username">nobody</systemitem> only as the user running
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| 100 | <command>rpc.statd</command>.</para></note>
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[d47e7ea9] | 101 |
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[42c2d70] | 102 | <para>Install <application>NFS Utilities</application> by running the following commands:</para>
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[d47e7ea9] | 103 |
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[a16cb066] | 104 | <screen><userinput>./configure --prefix=/usr --sysconfdir=/etc \
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| 105 | --disable-nfsv4 --disable-gss &&
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| 106 | make</userinput></screen>
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| 107 |
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[eaf6a1cd] | 108 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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[a16cb066] | 109 |
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| 110 | <screen role='root'><userinput>make install</userinput></screen>
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[d47e7ea9] | 111 |
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[eaf6a1cd] | 112 | <note><para>If your <filename class="directory">/usr</filename> directory is
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| 113 | <acronym>NFS</acronym> mounted, you should install the executables in
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| 114 | <filename class="directory">/sbin</filename> by passing
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| 115 | an additional parameter <option>--sbindir=/sbin</option> to the above
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[d47e7ea9] | 116 | <command>./configure</command> command.</para></note>
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| 117 |
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| 118 | </sect2>
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| 119 |
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[a16cb066] | 120 | <sect2 role="commands">
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| 121 | <title>Command Explanations</title>
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| 122 |
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[e164343] | 123 | <para><parameter>--disable-nfsv4</parameter>: Disables support
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[eaf6a1cd] | 124 | for <acronym>NFS</acronym> Version 4.</para>
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[a16cb066] | 125 |
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[e164343] | 126 | <para><parameter>--disable-gss</parameter>: Disables support for
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[eaf6a1cd] | 127 | <acronym>RPCSEC GSS</acronym> (<acronym>RPC</acronym> Security).</para>
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[a16cb066] | 128 |
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| 129 | </sect2>
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| 130 |
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[eaf6a1cd] | 131 | <sect2 role="configuration">
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| 132 | <title>Configuring NFS Utilities</title>
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[d47e7ea9] | 133 |
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[eaf6a1cd] | 134 | <sect3 id='nfs-utils-server-config'>
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| 135 | <title>Server Configutation</title>
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[d47e7ea9] | 136 |
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[eaf6a1cd] | 137 | <para><filename>/etc/exports</filename> contains the exported directories on
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| 138 | <acronym>NFS</acronym> servers. Refer to the exports manual page for
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| 139 | the syntax of this file. Also refer to the "NFS HowTo" available at <ulink
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[a16cb066] | 140 | url="http://nfs.sourceforge.net/nfs-howto/"/> on how to configure the servers
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| 141 | and clients in a secure manner. For example, for sharing the
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[eaf6a1cd] | 142 | <filename class="directory">/home</filename> directory over the local network, the following line
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[a16cb066] | 143 | may be added:</para>
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[d47e7ea9] | 144 |
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[eaf6a1cd] | 145 | <screen role="root"><userinput>/home 192.168.0.0/255.255.255.0(rw,anonuid=99,anongid=99)</userinput></screen>
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[d47e7ea9] | 146 |
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[a16cb066] | 147 | <indexterm zone="nfs-utils nfs-utils-server-config">
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| 148 | <primary sortas="e-etc-exportfs">/etc/exportfs</primary>
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| 149 | </indexterm>
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| 150 |
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| 151 | <para>Install the <filename>/etc/rc.d/init.d/nfs-server</filename> init script
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| 152 | included in the <xref linkend="intro-important-bootscripts"/> package to start
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[d47e7ea9] | 153 | the server at boot.</para>
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| 154 |
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[eaf6a1cd] | 155 | <screen role="root"><userinput>make install-nfs-server</userinput></screen>
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[d47e7ea9] | 156 |
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[a16cb066] | 157 | <indexterm zone="nfs-utils nfs-utils-server-config">
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| 158 | <primary sortas="f-nfs-server">nfs-server</primary>
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| 159 | </indexterm>
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| 160 |
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[f5f7f9d] | 161 | <para>Now create the <filename>/etc/sysconfig/nfs-server</filename>
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| 162 | configuration file:</para>
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[f5e4bdec] | 163 |
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[eaf6a1cd] | 164 | <screen role="root"><userinput>cat > /etc/sysconfig/nfs-server << "EOF"
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| 165 | <literal>PORT="2049"
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[f5e4bdec] | 166 | PROCESSES="8"
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| 167 | QUOTAS="no"
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[eaf6a1cd] | 168 | KILLDELAY="10"</literal>
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| 169 | EOF</userinput></screen>
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[f5e4bdec] | 170 |
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[a16cb066] | 171 | <indexterm zone="nfs-utils nfs-utils-server-config">
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| 172 | <primary sortas="e-etc-sysconfig-nfs-server">/etc/sysconfig/nfs-server</primary>
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| 173 | </indexterm>
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[d47e7ea9] | 174 |
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[eaf6a1cd] | 175 | </sect3>
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[d47e7ea9] | 176 |
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[eaf6a1cd] | 177 | <sect3 id='nfs-utils-client-config'><title>Client Configutation</title>
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| 178 |
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| 179 | <para><filename>/etc/fstab</filename> contains the
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[a16cb066] | 180 | directories that are to be mounted on the client. Alternately the partitions
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| 181 | can be mounted by using the <command>mount</command> command with the proper
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[eaf6a1cd] | 182 | options. To mount the <filename class="directory">/home</filename> and
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| 183 | <filename class="directory">/usr</filename>
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[a16cb066] | 184 | partitions, add the following to the <filename>/etc/fstab</filename>:</para>
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| 185 |
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[eaf6a1cd] | 186 | <screen role="root"><userinput><server-name>:/home /home nfs rw,_netdev,rsize=8192,wsize=8192 0 0
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[a16cb066] | 187 | <server-name>:/usr /usr nfs ro,_netdev,rsize=8192 0 0</userinput></screen>
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| 188 |
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| 189 | <indexterm zone="nfs-utils nfs-utils-client-config">
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| 190 | <primary sortas="e-etc-fstab">/etc/fstab</primary>
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| 191 | </indexterm>
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[d47e7ea9] | 192 |
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| 193 |
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| 194 | <para>Install the <filename>/etc/rc.d/init.d/nfs-client</filename>
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| 195 | init script included in the
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| 196 | <xref linkend="intro-important-bootscripts"/> package to
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| 197 | start the client services at boot.</para>
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| 198 |
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[eaf6a1cd] | 199 | <screen role="root"><userinput>make install-nfs-client</userinput></screen>
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[d47e7ea9] | 200 |
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[a16cb066] | 201 | <indexterm zone="nfs-utils nfs-utils-client-config">
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| 202 | <primary sortas="f-nfs-client">nfs-client</primary>
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| 203 | </indexterm>
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[d47e7ea9] | 204 |
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[eaf6a1cd] | 205 | <para>To automatically mount <systemitem class="filesystem">nfs</systemitem> filesystems,
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| 206 | clients will also need to install the <filename>netfs</filename> bootscript as described in
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| 207 | <xref linkend='postlfs-config-netfs'/>.</para>
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[d47e7ea9] | 208 |
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[a16cb066] | 209 | <indexterm zone="nfs-utils nfs-utils-client-config">
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| 210 | <primary sortas="f-netfs">netfs</primary>
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| 211 | </indexterm>
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[d47e7ea9] | 212 |
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[eaf6a1cd] | 213 | </sect3>
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| 214 |
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[d47e7ea9] | 215 | </sect2>
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| 216 |
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[eaf6a1cd] | 217 | <sect2 role="content">
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[a16cb066] | 218 | <title>Contents</title>
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| 219 | <segmentedlist>
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[eaf6a1cd] | 220 | <segtitle>Installed Programs</segtitle>
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[a16cb066] | 221 | <segtitle>Installed Libraries</segtitle>
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| 222 | <segtitle>Installed Directories</segtitle>
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| 223 |
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| 224 | <seglistitem>
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| 225 | <seg>exportfs, nfsstat, nhfsgraph, nhfsnums, nhfsrun, nhfsstone,
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[eaf6a1cd] | 226 | rpc.lockd, rpc.mountd, rpc.nfsd, rpc.rquotad, rpc.statd, and showmount</seg>
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[a16cb066] | 227 | <seg>None</seg>
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| 228 | <seg>/var/lib/nfs</seg>
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| 229 | </seglistitem>
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| 230 | </segmentedlist>
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| 231 |
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| 232 | <variablelist>
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| 233 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 234 | <?dbfo list-presentation="list"?>
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| 235 | <?dbhtml list-presentation="table"?>
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| 236 |
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| 237 | <varlistentry id="exportfs">
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| 238 | <term><command>exportfs</command></term>
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| 239 | <listitem>
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[eaf6a1cd] | 240 | <para>maintains a list of <acronym>NFS</acronym> exported file systems.</para>
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[a16cb066] | 241 | <indexterm zone="nfs-utils exportfs">
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| 242 | <primary sortas="b-exportfs">exportfs</primary>
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| 243 | </indexterm>
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| 244 | </listitem>
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| 245 | </varlistentry>
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| 246 |
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| 247 | <varlistentry id="nfsstat">
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| 248 | <term><command>nfsstat</command></term>
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| 249 | <listitem>
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[eaf6a1cd] | 250 | <para>prints <acronym>NFS</acronym> statistics.</para>
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[a16cb066] | 251 | <indexterm zone="nfs-utils nfsstat">
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| 252 | <primary sortas="b-nfsstat">nfsstat</primary>
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| 253 | </indexterm>
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| 254 | </listitem>
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| 255 | </varlistentry>
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| 256 |
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| 257 | <varlistentry id="nhfsgraph">
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| 258 | <term><command>nhfsgraph</command></term>
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| 259 | <listitem>
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[eaf6a1cd] | 260 | <para>runs <command>nhfsstone</command> over multiple loads.</para>
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[a16cb066] | 261 | <indexterm zone="nfs-utils nhfsgraph">
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| 262 | <primary sortas="b-nhfsgraph">nhfsgraph</primary>
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| 263 | </indexterm>
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| 264 | </listitem>
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| 265 | </varlistentry>
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| 266 |
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| 267 | <varlistentry id="nhfsnums">
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| 268 | <term><command>nhfsnums</command></term>
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| 269 | <listitem>
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[eaf6a1cd] | 270 | <para>converts raw numbers from <command>nhfsstone</command> output
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| 271 | into plot format.</para>
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[a16cb066] | 272 | <indexterm zone="nfs-utils nhfsnums">
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| 273 | <primary sortas="b-nhfsnums">nhfsnums</primary>
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| 274 | </indexterm>
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| 275 | </listitem>
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| 276 | </varlistentry>
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| 277 |
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| 278 | <varlistentry id="nhfsrun">
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| 279 | <term><command>nhfsrun</command></term>
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| 280 | <listitem>
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[eaf6a1cd] | 281 | <para>executes <command>nhfsstone</command> with a range of different loads.</para>
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[a16cb066] | 282 | <indexterm zone="nfs-utils nhfsrun">
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| 283 | <primary sortas="b-nhfsrun">nhfsrun</primary>
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| 284 | </indexterm>
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| 285 | </listitem>
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| 286 | </varlistentry>
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| 287 |
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| 288 | <varlistentry id="nhfsstone">
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| 289 | <term><command>nhfsstone</command></term>
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| 290 | <listitem>
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[eaf6a1cd] | 291 | <para>is used on a <acronym>NFS</acronym> client to generate an artificial load with a
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| 292 | particular mix of <acronym>NFS</acronym> operations.</para>
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[a16cb066] | 293 | <indexterm zone="nfs-utils nhfsstone">
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| 294 | <primary sortas="b-nhfsstone">nhfsstone</primary>
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| 295 | </indexterm>
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| 296 | </listitem>
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| 297 | </varlistentry>
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| 298 |
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| 299 | <varlistentry id="rpclockd">
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| 300 | <term><command>rpc.lockd</command></term>
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| 301 | <listitem>
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[eaf6a1cd] | 302 | <para>starts the <acronym>NFS</acronym> lock manager (<acronym>NLM</acronym>)
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| 303 | on kernels that don't start it automatically. However, since most kernels do start it
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[a16cb066] | 304 | automatically it is usually not required.</para>
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| 305 | <indexterm zone="nfs-utils rpclockd">
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| 306 | <primary sortas="b-rpclockd">rpc.lockd</primary>
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| 307 | </indexterm>
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| 308 | </listitem>
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| 309 | </varlistentry>
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| 310 |
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| 311 | <varlistentry id="rpcmountd">
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| 312 | <term><command>rpc.mountd</command></term>
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| 313 | <listitem>
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[eaf6a1cd] | 314 | <para>implements the <acronym>NFS</acronym> mount protocol on an
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| 315 | <acronym>NFS</acronym> server.</para>
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[a16cb066] | 316 | <indexterm zone="nfs-utils rpcmountd">
|
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| 317 | <primary sortas="b-rpcmountd">rpc.mountd</primary>
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| 318 | </indexterm>
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| 319 | </listitem>
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| 320 | </varlistentry>
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| 321 |
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| 322 | <varlistentry id="rpcnfsd">
|
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| 323 | <term><command>rpc.nfsd</command></term>
|
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| 324 | <listitem>
|
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[eaf6a1cd] | 325 | <para>implements the user level part of the <acronym>NFS</acronym>
|
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| 326 | service on the server.</para>
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[a16cb066] | 327 | <indexterm zone="nfs-utils rpcnfsd">
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| 328 | <primary sortas="b-rpcnfsd">rpc.nfsd</primary>
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| 329 | </indexterm>
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| 330 | </listitem>
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| 331 | </varlistentry>
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| 332 |
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| 333 | <varlistentry id="rpcrquotad">
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| 334 | <term><command>rpc.rquotad</command></term>
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| 335 | <listitem>
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| 336 | <para>is an rpc server which returns quotas for a user of a local file
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[eaf6a1cd] | 337 | system which is mounted by a remote machine over the <acronym>NFS</acronym>.</para>
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[a16cb066] | 338 | <indexterm zone="nfs-utils rpcrquotad">
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| 339 | <primary sortas="b-rpcrquotad">rpc.rquotad</primary>
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| 340 | </indexterm>
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| 341 | </listitem>
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| 342 | </varlistentry>
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| 343 |
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| 344 | <varlistentry id="rpcstatd">
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| 345 | <term><command>rpc.statd</command></term>
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| 346 | <listitem>
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[eaf6a1cd] | 347 | <para>is used by the <acronym>NFS</acronym> file locking service,
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| 348 | <command>rpc.lockd</command>, to implement lock recovery when the
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| 349 | <acronym>NFS</acronym> server machine crashes and reboots. Runs
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| 350 | on the <acronym>NFS</acronym> server only.</para>
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[a16cb066] | 351 | <indexterm zone="nfs-utils rpcstatd">
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| 352 | <primary sortas="b-rpcstatd">rpc.statd</primary>
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| 353 | </indexterm>
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| 354 | </listitem>
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| 355 | </varlistentry>
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| 356 |
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| 357 | <varlistentry id="showmount">
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| 358 | <term><command>showmount</command></term>
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| 359 | <listitem>
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[eaf6a1cd] | 360 | <para>displays mount information for an <acronym>NFS</acronym> server.</para>
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[a16cb066] | 361 | <indexterm zone="nfs-utils showmount">
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| 362 | <primary sortas="b-showmount">showmount</primary>
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| 363 | </indexterm>
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| 364 | </listitem>
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| 365 | </varlistentry>
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| 366 |
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| 367 |
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| 368 | </variablelist>
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[d47e7ea9] | 369 |
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| 370 | </sect2>
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[176b211] | 371 | </sect1>
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| 372 |
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