1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/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 rsync-download-http "https://www.samba.org/ftp/rsync/src/rsync-&rsync-version;.tar.gz">
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8 | <!ENTITY rsync-download-ftp " ">
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9 | <!ENTITY rsync-md5sum "1581a588fde9d89f6bc6201e8129afaf">
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10 | <!ENTITY rsync-size "884 KB">
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11 | <!ENTITY rsync-buildsize "11 MB (with tests - additional 45 MB for HTML API documentation)">
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12 | <!ENTITY rsync-time "0.5 SBU (with tests)">
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13 | ]>
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14 |
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15 | <sect1 id="rsync" xreflabel="rsync-&rsync-version;">
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16 | <?dbhtml filename="rsync.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>rsync-&rsync-version;</title>
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24 |
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25 | <indexterm zone="rsync">
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26 | <primary sortas="a-rsync">rsync</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 rsync</title>
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31 |
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32 | <para>
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33 | The <application>rsync</application> package contains the
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34 | <command>rsync</command> utility. This is useful for synchronizing large
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35 | file archives over a network.
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36 | </para>
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37 |
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38 | &lfs91_checked;
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39 |
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40 | <bridgehead renderas="sect3">Package Information</bridgehead>
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41 | <itemizedlist spacing="compact">
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42 | <listitem>
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43 | <para>
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44 | Download (HTTP): <ulink url="&rsync-download-http;"/>
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45 | </para>
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46 | </listitem>
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47 | <listitem>
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48 | <para>
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49 | Download (FTP): <ulink url="&rsync-download-ftp;"/>
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50 | </para>
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51 | </listitem>
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52 | <listitem>
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53 | <para>
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54 | Download MD5 sum: &rsync-md5sum;
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55 | </para>
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56 | </listitem>
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57 | <listitem>
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58 | <para>
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59 | Download size: &rsync-size;
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60 | </para>
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61 | </listitem>
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62 | <listitem>
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63 | <para>
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64 | Estimated disk space required: &rsync-buildsize;
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65 | </para>
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66 | </listitem>
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67 | <listitem>
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68 | <para>
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69 | Estimated build time: &rsync-time;
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70 | </para>
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71 | </listitem>
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72 | </itemizedlist>
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73 |
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74 | <bridgehead renderas="sect3">rsync Dependencies</bridgehead>
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75 |
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76 | <bridgehead renderas="sect4">Recommended</bridgehead>
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77 | <para role="recommended">
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78 | <xref linkend="popt"/>
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79 | </para>
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80 |
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81 | <para condition="html" role="usernotes">User Notes:
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82 | <ulink url="&blfs-wiki;/rsync"/></para>
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83 |
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84 | </sect2>
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85 |
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86 | <sect2 role="installation">
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87 | <title>Installation of rsync</title>
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88 |
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89 | <para>
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90 | For security reasons, running the <application>rsync</application>
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91 | server as an unprivileged user and group is encouraged. If you intend to
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92 | run <command>rsync</command> as a daemon, create the
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93 | <systemitem class="username">rsyncd</systemitem> user and group
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94 | with the following commands issued by the
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95 | <systemitem class="username">root</systemitem> user:
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96 | </para>
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97 |
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98 | <screen role="root"><userinput>groupadd -g 48 rsyncd &&
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99 | useradd -c "rsyncd Daemon" -d /home/rsync -g rsyncd \
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100 | -s /bin/false -u 48 rsyncd</userinput></screen>
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101 |
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102 | <para>
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103 | Install <application>rsync</application> by running the following
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104 | commands:
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105 | </para>
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106 |
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107 | <screen><userinput>./configure --prefix=/usr --without-included-zlib &&
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108 | make</userinput></screen>
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109 |
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110 | <para>
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111 | If you have <xref linkend="doxygen"/> installed and wish to
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112 | build HTML API documentation, issue:
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113 | </para>
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114 |
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115 | <screen remap="doc"><userinput>doxygen</userinput></screen>
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116 |
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117 | <para>
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118 | To test the results, issue: <command>make check</command>.
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119 | </para>
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120 |
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121 | <para>
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122 | Now, as the <systemitem class="username">root</systemitem> user:
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123 | </para>
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124 |
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125 | <screen role='root'><userinput>make install</userinput></screen>
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126 |
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127 | <para>
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128 | If you built the documentation, install it using the following
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129 | commands as the <systemitem class="username">root</systemitem> user:
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130 | </para>
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131 |
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132 | <screen role='root'
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133 | remap="doc"><userinput>install -v -m755 -d /usr/share/doc/rsync-&rsync-version;/api &&
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134 | install -v -m644 dox/html/* /usr/share/doc/rsync-&rsync-version;/api</userinput></screen>
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135 |
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136 | </sect2>
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137 |
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138 | <sect2 role="commands">
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139 | <title>Command Explanations</title>
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140 |
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141 | <para>
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142 | <parameter>--without-included-zlib</parameter>: This switch enables
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143 | compilation with system-installed zlib library.
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144 | </para>
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145 |
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146 | </sect2>
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147 |
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148 | <sect2 role="configuration">
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149 | <title>Configuring rsync</title>
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150 |
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151 | <sect3 id="rsync-config">
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152 | <title>Config Files</title>
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153 |
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154 | <para>
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155 | <filename>/etc/rsyncd.conf</filename>
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156 | </para>
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157 |
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158 | <indexterm zone="rsync rsync-config">
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159 | <primary sortas="e-etc-rsyncd.conf">/etc/rsyncd.conf</primary>
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160 | </indexterm>
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161 |
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162 | </sect3>
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163 |
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164 | <sect3>
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165 | <title>Configuration Information</title>
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166 |
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167 | <para>
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168 | For client access to remote files, you may need to install the
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169 | <xref linkend="openssh"/> package to connect to the remote server.
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170 | </para>
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171 |
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172 | <para>
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173 | This is a simple download-only configuration to set up running
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174 | <command>rsync</command> as a server. See the rsyncd.conf(5)
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175 | man-page for additional options (i.e., user authentication).
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176 | </para>
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177 |
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178 | <screen role="root"><userinput>cat > /etc/rsyncd.conf << "EOF"
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179 | <literal># This is a basic rsync configuration file
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180 | # It exports a single module without user authentication.
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181 |
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182 | motd file = /home/rsync/welcome.msg
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183 | use chroot = yes
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184 |
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185 | [localhost]
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186 | path = /home/rsync
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187 | comment = Default rsync module
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188 | read only = yes
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189 | list = yes
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190 | uid = rsyncd
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191 | gid = rsyncd
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192 | </literal>
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193 | EOF</userinput></screen>
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194 |
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195 | <para>
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196 | You can find additional configuration information and general
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197 | documentation about <command>rsync</command> at
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198 | <ulink url="http://rsync.samba.org/documentation.html"/>.
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199 | </para>
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200 |
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201 | </sect3>
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202 |
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203 | <sect3 id="rsync-init">
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204 | <title><phrase revision="sysv">Boot Script</phrase>
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205 | <phrase revision="systemd">Systemd Unit</phrase></title>
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206 |
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207 | <para>
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208 | Note that you only want to start the
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209 | <application>rsync</application> server if you want to provide an
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210 | <application>rsync</application> archive on your local machine.
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211 | You don't need this <phrase revision="sysv">script</phrase>
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212 | <phrase revision="systemd">unit</phrase> to run the
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213 | <application>rsync</application> client.
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214 | </para>
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215 |
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216 | <para>
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217 | Install the
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218 | <phrase revision="sysv"><filename>/etc/rc.d/init.d/rsyncd</filename>
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219 | init script</phrase>
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220 | <phrase revision="systemd"><filename>rsyncd.service</filename>
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221 | unit</phrase> included in the
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222 | <xref linkend="bootscripts" revision="sysv"/>
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223 | <xref linkend="systemd-units" revision="systemd"/> package.
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224 | </para>
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225 |
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226 | <screen role="root"><userinput>make install-rsyncd</userinput></screen>
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227 |
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228 | <note revision="systemd">
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229 | <para>
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230 | This package comes with two types of units: A service file and a
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231 | socket file. The service file will start rsync daemon once at boot
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232 | and it will keep running until the system shuts down. The socket file
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233 | will make systemd listen on rsync port (Default 873, needs to be
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234 | edited for anything else) and will start rsync daemon when something
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235 | tries to connect to that port and stop the daemon when the connection
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236 | is terminated. This is called socket activation and is analogous to
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237 | using <application>{,x}inetd</application> on a SysVinit based
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238 | system.
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239 | </para>
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240 |
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241 | <para>
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242 | By default, the first method is used - rsync daemon is started
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243 | at boot and stopped at shutdown. If the socket method is desired, you
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244 | need to run as the
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245 | <systemitem class="username">root</systemitem> user:
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246 | </para>
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247 |
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248 | <screen role="nodump"><userinput>systemctl stop rsyncd &&
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249 | systemctl disable rsyncd &&
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250 | systemctl enable rsyncd.socket &&
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251 | systemctl start rsyncd.socket</userinput></screen>
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252 |
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253 | <para>
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254 | Note that socket method is only useful for remote backups. For
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255 | local backups you'll need the service method.
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256 | </para>
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257 | </note>
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258 |
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259 | </sect3>
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260 |
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261 | </sect2>
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262 |
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263 | <sect2 role="content">
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264 | <title>Contents</title>
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265 |
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266 | <segmentedlist>
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267 | <segtitle>Installed Program</segtitle>
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268 | <segtitle>Installed Libraries</segtitle>
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269 | <segtitle>Installed Directories</segtitle>
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270 |
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271 | <seglistitem>
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272 | <seg>rsync</seg>
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273 | <seg>None</seg>
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274 | <seg>Optionally, /usr/share/doc/rsync-&rsync-version;</seg>
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275 | </seglistitem>
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276 | </segmentedlist>
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277 |
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278 | <variablelist>
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279 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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280 | <?dbfo list-presentation="list"?>
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281 | <?dbhtml list-presentation="table"?>
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282 |
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283 | <varlistentry id="rsync-prog">
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284 | <term><command>rsync</command></term>
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285 | <listitem>
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286 | <para>
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287 | is a replacement for <command>rcp</command> (and
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288 | <command>scp</command>) that has many more features. It uses the
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289 | <quote>rsync algorithm</quote> which provides a very fast method of
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290 | syncing remote files. It does this by sending just the differences
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291 | in the files across the link, without requiring that both sets of
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292 | files are present at one end of the link beforehand.
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293 | </para>
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294 | <indexterm zone="rsync rsync-prog">
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295 | <primary sortas="b-rsync">rsync</primary>
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296 | </indexterm>
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297 | </listitem>
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298 | </varlistentry>
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299 |
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300 | </variablelist>
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301 |
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302 | </sect2>
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303 |
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304 | </sect1>
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