1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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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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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 autofs-download-http "http://ftp.kernel.org/pub/linux/daemons/autofs/v4/autofs-&autofs-version;.tar.bz2">
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8 | <!ENTITY autofs-download-ftp "ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/autofs-&autofs-version;.tar.bz2">
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9 | <!ENTITY autofs-md5sum "f43a09e94c4bd512ec58ac06e9d42c60">
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10 | <!ENTITY autofs-size "122 KB">
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11 | <!ENTITY autofs-buildsize "1.4 MB">
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12 | <!ENTITY autofs-time "0.01 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="autofs" xreflabel="autofs-&autofs-version;">
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16 | <?dbhtml filename="autofs.html"?>
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17 |
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18 | <sect1info>
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19 | <othername>$LastChangedBy$</othername>
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20 | <date>$Date$</date>
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21 | </sect1info>
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22 |
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23 | <title>Automate Mounting of File Systems</title>
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24 |
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25 | <indexterm zone="autofs">
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26 | <primary sortas="a-Autofs">Autofs</primary>
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27 | </indexterm>
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28 |
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29 | <sect2 role="package">
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30 | <title>Introduction to Autofs</title>
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31 |
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32 | <para>The <application>autofs</application> package contains userspace
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33 | tools that work with the kernel to mount and un-mount removable file
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34 | systems. This is useful for allowing users to mount floppies, cdroms and
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35 | other removable storage devices without requiring the system
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36 | administrator to mount the devices. This may not be ideal for all
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37 | installations, so be aware of the risks before implementing this feature.</para>
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38 |
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39 | <bridgehead renderas="sect3">Package Information</bridgehead>
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40 | <itemizedlist spacing="compact">
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41 | <listitem>
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42 | <para>Download (HTTP): <ulink url="&autofs-download-http;"/></para>
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43 | </listitem>
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44 | <listitem>
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45 | <para>Download (FTP): <ulink url="&autofs-download-ftp;"/></para>
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46 | </listitem>
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47 | <listitem>
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48 | <para>Download MD5 sum: &autofs-md5sum;</para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>Download size: &autofs-size;</para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>Estimated disk space required: &autofs-buildsize;</para>
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55 | </listitem>
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56 | <listitem>
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57 | <para>Estimated build time: &autofs-time;</para>
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58 | </listitem>
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59 | </itemizedlist>
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60 |
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61 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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62 | <itemizedlist spacing="compact">
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63 | <listitem>
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64 | <para>Recommended Patch: <ulink
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65 | url="http://ftp.kernel.org/pub/linux/daemons/autofs/v4/autofs-4.1.3-strict.patch"/></para>
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66 | </listitem>
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67 | <listitem>
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68 | <para>Recommended Patch: <ulink
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69 | url="http://ftp.kernel.org/pub/linux/daemons/autofs/v4/autofs-4.1.3-bad_chdir.patch"/></para>
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70 | </listitem>
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71 | <listitem>
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72 | <para>Recommended Patch: <ulink
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73 | url="http://ftp.kernel.org/pub/linux/daemons/autofs/v4/autofs-4.1.3-mtab_lock.patch"/></para>
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74 | </listitem>
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75 | <listitem>
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76 | <para>Recommended Patch: <ulink
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77 | url="http://ftp.kernel.org/pub/linux/daemons/autofs/v4/autofs-4.1.3-non_block_ping.patch"/></para>
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78 | </listitem>
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79 | <listitem>
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80 | <para>Recommended Patch: <ulink
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81 | url="http://ftp.kernel.org/pub/linux/daemons/autofs/v4/autofs-4.1.3-signal-race-fix.patch"/></para>
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82 | </listitem>
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83 | <listitem>
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84 | <para>Recommended Patch: <ulink
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85 | url="http://ftp.kernel.org/pub/linux/daemons/autofs/v4/autofs-4.1.3-sock-leak-fix.patch"/></para>
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86 | </listitem>
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87 | <listitem>
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88 | <para>Recommended Patch: <ulink
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89 | url="http://ftp.kernel.org/pub/linux/daemons/autofs/v4/autofs-4.1.3-replicated_server_select.patch"/></para>
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90 | </listitem>
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91 | <listitem>
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92 | <para>Recommended Patch: <ulink
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93 | url="http://ftp.kernel.org/pub/linux/daemons/autofs/v4/autofs-4.1.3-multi-over.patch"/></para>
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94 | </listitem>
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95 | </itemizedlist>
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96 |
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97 | </sect2>
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98 |
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99 | <sect2 role="kernel" id="autofs-kernel">
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100 | <title>Kernel Configuration</title>
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101 |
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102 | <indexterm zone="autofs autofs-kernel">
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103 | <primary sortas="d-Automounter">Automounter</primary>
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104 | </indexterm>
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105 |
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106 | <para>Verify that kernel support has been compiled in or built as
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107 | modules in the following areas:</para>
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108 |
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109 | <screen><literal>File systems
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110 | Kernel automounter version 4 support Y or M
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111 | Network File Systems
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112 | NFS file system support Y or M
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113 | SMB file system support Y or M</literal></screen>
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114 |
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115 | <para>Recompile and install the new kernel, if necessary.</para>
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116 |
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117 | </sect2>
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118 |
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119 | <sect2 role="installation">
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120 |
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121 | <title>Installation of Autofs</title>
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122 |
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123 | <para>Install <application>autofs</application> by running the following
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124 | commands:</para>
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125 |
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126 | <screen><userinput>patch -Np1 -i ../autofs-4.1.3-strict.patch &&
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127 | patch -Np1 -i ../autofs-4.1.3-bad_chdir.patch &&
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128 | patch -Np1 -i ../autofs-4.1.3-mtab_lock.patch &&
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129 | patch -Np1 -i ../autofs-4.1.3-non_block_ping.patch &&
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130 | patch -Np1 -i ../autofs-4.1.3-signal-race-fix.patch &&
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131 | patch -Np1 -i ../autofs-4.1.3-sock-leak-fix.patch &&
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132 | patch -Np1 -i ../autofs-4.1.3-replicated_server_select.patch &&
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133 | patch -Np1 -i ../autofs-4.1.3-multi-over.patch &&
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134 | ./configure --prefix=/ --mandir=/usr/share/man &&
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135 | make</userinput></screen>
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136 |
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137 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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138 |
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139 | <screen role="root"><userinput>make install &&
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140 | rm /etc/rc.d/init.d/autofs</userinput></screen>
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141 |
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142 | </sect2>
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143 |
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144 | <sect2 role="commands">
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145 | <title>Command Explanations</title>
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146 |
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147 | <para><command>rm /etc/rc.d/init.d/autofs</command>: This command
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148 | removes the installed script which only works on specific distributions.</para>
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149 |
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150 | </sect2>
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151 |
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152 | <sect2 role="configuration">
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153 | <title>Configuring Autofs</title>
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154 |
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155 | <sect3 id="autofs-config">
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156 | <title>Config Files</title>
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157 |
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158 | <para><filename>/etc/sysconfig/autofs.conf</filename>,
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159 | <filename>/etc/auto.master</filename>,
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160 | <filename>/etc/auto.misc</filename>, and
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161 | <filename>/etc/auto.net</filename></para>
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162 |
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163 | <indexterm zone="autofs autofs-config" >
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164 | <primary sortas="e-etc-sysconfig-autofs.conf">/etc/sysconfig/autofs.conf</primary>
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165 | </indexterm>
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166 |
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167 | <indexterm zone="autofs autofs-config">
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168 | <primary sortas="e-etc-auto.master">/etc/auto.master</primary>
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169 | </indexterm>
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170 |
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171 | <indexterm zone="autofs autofs-config">
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172 | <primary sortas="e-etc-auto.misc">/etc/auto.misc</primary>
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173 | </indexterm>
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174 |
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175 | <indexterm zone="autofs autofs-config">
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176 | <primary sortas="e-etc-auto.net">/etc/auto.net</primary>
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177 | </indexterm>
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178 |
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179 | </sect3>
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180 |
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181 | <sect3>
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182 | <title>Configuration Information</title>
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183 |
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184 | <para>The installation process creates <filename>auto.master</filename>,
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185 | <filename>auto.misc</filename> and <filename>auto.net</filename>. You
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186 | will replace the <filename>auto.master</filename> with the following
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187 | commands:</para>
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188 |
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189 | <screen role="root"><userinput>mv /etc/auto.master /etc/auto.master.bak &&
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190 | cat > /etc/auto.master << "EOF"
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191 | <literal># Begin /etc/auto.master
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192 |
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193 | /media /etc/auto.misc
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194 |
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195 | # End /etc/auto.master</literal>
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196 | EOF</userinput></screen>
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197 |
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198 | <note>
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199 | <para>This file mounts a new media directory over the one created by
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200 | LFS and will therefore hide any mounts made by the
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201 | <filename>fstab</filename> file into that directory.</para>
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202 | </note>
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203 |
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204 | <para>While this package could be used to mount NFS shares and SMB
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205 | shares, that feature is not configured in these instructions. NFS shares
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206 | are covered on the next page.</para>
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207 |
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208 | <para>The <filename>auto.misc</filename> must be configured to your
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209 | working hardware. The loaded configuration file should load your cdrom
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210 | if <filename>/dev/cdrom</filename> is active or it can be edited to
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211 | match your device setup and examples for floppies are available in the file
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212 | and easily activated. Documentation for this file is available using the
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213 | <command>man 5 autofs</command> command.</para>
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214 |
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215 | </sect3>
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216 |
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217 | <sect3 id="autofs-init">
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218 | <title>Boot Script</title>
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219 |
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220 |
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221 | <para>Install the <filename>/etc/rc.d/init.d/autofs</filename> mount script
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222 | and <filename>/etc/sysconfig/autofs.conf</filename> support file included
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223 | with the <xref linkend="intro-important-bootscripts"/> package.</para>
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224 |
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225 | <indexterm zone="autofs autofs-init">
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226 | <primary sortas="f-autofs-init">autofs</primary>
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227 | </indexterm>
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228 |
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229 | <screen role="root"><userinput>make install-autofs</userinput></screen>
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230 |
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231 | <para>The time-out variable is set in
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232 | <filename>/etc/sysconfig/autofs.conf</filename>. The installed file sets
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233 | a default of 60 seconds of inactivity before unmounting the device. A
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234 | much shorter time may be necessary to protect buffer writing to a floppy
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235 | if users tend to remove the media prior to the timeout setting.</para>
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236 |
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237 | </sect3>
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238 |
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239 | </sect2>
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240 |
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241 | <sect2 role="content">
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242 | <title>Contents</title>
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243 |
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244 | <segmentedlist>
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245 | <segtitle>Installed Program</segtitle>
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246 | <segtitle>Installed Libraries</segtitle>
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247 | <segtitle>Installed Directories</segtitle>
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248 |
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249 | <seglistitem>
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250 | <seg>automount</seg>
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251 | <seg>autofs modules</seg>
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252 | <seg>Not determined at this time</seg>
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253 | </seglistitem>
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254 | </segmentedlist>
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255 |
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256 | <variablelist>
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257 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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258 | <?dbfo list-presentation="list"?>
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259 | <?dbhtml list-presentation="table"?>
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260 |
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261 | <varlistentry id="automount">
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262 | <term><command>automount</command></term>
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263 | <listitem>
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264 | <para>is the daemon that performs the mounting when a request is
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265 | made for the device.</para>
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266 | <indexterm zone="autofs automount">
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267 | <primary sortas="b-automount">automount</primary>
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268 | </indexterm>
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269 | </listitem>
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270 | </varlistentry>
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271 |
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272 | </variablelist>
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273 |
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274 | </sect2>
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275 |
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276 | </sect1>
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277 |
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