[ab4fdfc] | 1 | <?xml version="1.0" encoding="UTF-8"?>
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[6732c094] | 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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[0931098] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[1c73261] | 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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[8955f28] | 9 | <!ENTITY rsync-md5sum "f216f350ef56b9ba61bc313cb6ec2ed6">
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[c98a330] | 10 | <!ENTITY rsync-size "1.1 MB">
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[8a42ba9b] | 11 | <!ENTITY rsync-buildsize "9.6 MB (with tests; add 24 MB for HTML API documentation)">
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[f0f68c1] | 12 | <!ENTITY rsync-time "0.7 SBU (with tests)">
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[0931098] | 13 | ]>
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| 14 |
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[46cef72] | 15 | <sect1 id="rsync" xreflabel="rsync-&rsync-version;">
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[5ab6e72] | 16 | <?dbhtml filename="rsync.html"?>
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| 17 |
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| 18 |
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| 19 | <title>rsync-&rsync-version;</title>
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| 20 |
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| 21 | <indexterm zone="rsync">
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| 22 | <primary sortas="a-rsync">rsync</primary>
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| 23 | </indexterm>
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| 24 |
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| 25 | <sect2 role="package">
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| 26 | <title>Introduction to rsync</title>
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| 27 |
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[b51fe6e] | 28 | <para>
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| 29 | The <application>rsync</application> package contains the
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| 30 | <command>rsync</command> utility. This is useful for synchronizing large
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| 31 | file archives over a network.
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| 32 | </para>
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[5ab6e72] | 33 |
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[ed345e7] | 34 | &lfs120_checked;
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[20e6cade] | 35 |
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[5ab6e72] | 36 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 37 | <itemizedlist spacing="compact">
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| 38 | <listitem>
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[b51fe6e] | 39 | <para>
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| 40 | Download (HTTP): <ulink url="&rsync-download-http;"/>
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| 41 | </para>
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[5ab6e72] | 42 | </listitem>
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| 43 | <listitem>
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[b51fe6e] | 44 | <para>
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| 45 | Download (FTP): <ulink url="&rsync-download-ftp;"/>
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| 46 | </para>
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[5ab6e72] | 47 | </listitem>
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| 48 | <listitem>
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[b51fe6e] | 49 | <para>
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| 50 | Download MD5 sum: &rsync-md5sum;
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| 51 | </para>
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[5ab6e72] | 52 | </listitem>
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| 53 | <listitem>
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[b51fe6e] | 54 | <para>
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| 55 | Download size: &rsync-size;
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| 56 | </para>
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[5ab6e72] | 57 | </listitem>
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| 58 | <listitem>
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[b51fe6e] | 59 | <para>
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| 60 | Estimated disk space required: &rsync-buildsize;
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| 61 | </para>
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[5ab6e72] | 62 | </listitem>
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| 63 | <listitem>
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[b51fe6e] | 64 | <para>
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| 65 | Estimated build time: &rsync-time;
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| 66 | </para>
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[5ab6e72] | 67 | </listitem>
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| 68 | </itemizedlist>
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| 69 |
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| 70 | <bridgehead renderas="sect3">rsync Dependencies</bridgehead>
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| 71 |
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[f0f68c1] | 72 | <!-- This does now use OpenSSL and zstd from LFS. -->
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[b802f15] | 73 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 74 | <para role="recommended">
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| 75 | <xref linkend="popt"/>
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| 76 | </para>
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| 77 |
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[f0f68c1] | 78 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 79 | <para role="optional">
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| 80 | <xref linkend="doxygen"/>,
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| 81 | <ulink url="https://lz4.github.io/lz4/">lz4</ulink>, and
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| 82 | <ulink url="https://cyan4973.github.io/xxHash/">xxhash</ulink>
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| 83 | </para>
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| 84 |
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[5ab6e72] | 85 | </sect2>
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| 86 |
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| 87 | <sect2 role="installation">
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| 88 | <title>Installation of rsync</title>
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| 89 |
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[b51fe6e] | 90 | <para>
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| 91 | For security reasons, running the <application>rsync</application>
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| 92 | server as an unprivileged user and group is encouraged. If you intend to
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| 93 | run <command>rsync</command> as a daemon, create the
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| 94 | <systemitem class="username">rsyncd</systemitem> user and group
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| 95 | with the following commands issued by the
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| 96 | <systemitem class="username">root</systemitem> user:
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| 97 | </para>
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[5ab6e72] | 98 |
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[fdf798a6] | 99 | <screen role="root"><userinput>groupadd -g 48 rsyncd &&
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[0c8e745] | 100 | useradd -c "rsyncd Daemon" -m -d /home/rsync -g rsyncd \
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[fdf798a6] | 101 | -s /bin/false -u 48 rsyncd</userinput></screen>
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[5ab6e72] | 102 |
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[b51fe6e] | 103 | <para>
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| 104 | Install <application>rsync</application> by running the following
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| 105 | commands:
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| 106 | </para>
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[5ab6e72] | 107 |
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[f0f68c1] | 108 | <screen><userinput>./configure --prefix=/usr \
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| 109 | --disable-lz4 \
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| 110 | --disable-xxhash \
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| 111 | --without-included-zlib &&
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[fdf798a6] | 112 | make</userinput></screen>
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| 113 |
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[b51fe6e] | 114 | <para>
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| 115 | If you have <xref linkend="doxygen"/> installed and wish to
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| 116 | build HTML API documentation, issue:
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| 117 | </para>
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[a42c273] | 118 |
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| 119 | <screen remap="doc"><userinput>doxygen</userinput></screen>
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[9b7fb82] | 120 |
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[b51fe6e] | 121 | <para>
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| 122 | To test the results, issue: <command>make check</command>.
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| 123 | </para>
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[fdf798a6] | 124 |
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[b51fe6e] | 125 | <para>
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| 126 | Now, as the <systemitem class="username">root</systemitem> user:
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| 127 | </para>
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[fdf798a6] | 128 |
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| 129 | <screen role='root'><userinput>make install</userinput></screen>
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| 130 |
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[b51fe6e] | 131 | <para>
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| 132 | If you built the documentation, install it using the following
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| 133 | commands as the <systemitem class="username">root</systemitem> user:
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| 134 | </para>
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[fdf798a6] | 135 |
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[a42c273] | 136 | <screen role='root'
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| 137 | remap="doc"><userinput>install -v -m755 -d /usr/share/doc/rsync-&rsync-version;/api &&
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[3534db5d] | 138 | install -v -m644 dox/html/* /usr/share/doc/rsync-&rsync-version;/api</userinput></screen>
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[0931098] | 139 |
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[5ab6e72] | 140 | </sect2>
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[0931098] | 141 |
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[04e3c200] | 142 | <sect2 role="commands">
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| 143 | <title>Command Explanations</title>
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| 144 |
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[f0f68c1] | 145 | <para>
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| 146 | <parameter>--disable-lz4</parameter>: This switch disables LZ4 compression
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| 147 | support. Note that it uses the superior 'zstd' algorithm when this switch
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| 148 | is in use, and zstd is provided in LFS.
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| 149 | </para>
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| 150 |
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| 151 | <para>
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| 152 | <parameter>--disable-xxhash</parameter>: This switch disables advanced
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| 153 | xxhash checksum support. Remove this switch if you have installed
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| 154 | <ulink url="https://cyan4973.github.io/xxHash/">xxhash</ulink>.
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| 155 | </para>
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| 156 |
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[04e3c200] | 157 | <para>
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| 158 | <parameter>--without-included-zlib</parameter>: This switch enables
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[f0f68c1] | 159 | compilation with the system-installed zlib library.
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[04e3c200] | 160 | </para>
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| 161 |
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| 162 | </sect2>
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| 163 |
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[5ab6e72] | 164 | <sect2 role="configuration">
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| 165 | <title>Configuring rsync</title>
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[0931098] | 166 |
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[5ab6e72] | 167 | <sect3 id="rsync-config">
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| 168 | <title>Config Files</title>
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[0931098] | 169 |
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[b51fe6e] | 170 | <para>
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| 171 | <filename>/etc/rsyncd.conf</filename>
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| 172 | </para>
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[0931098] | 173 |
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[5ab6e72] | 174 | <indexterm zone="rsync rsync-config">
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| 175 | <primary sortas="e-etc-rsyncd.conf">/etc/rsyncd.conf</primary>
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| 176 | </indexterm>
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| 177 |
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| 178 | </sect3>
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| 179 |
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| 180 | <sect3>
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| 181 | <title>Configuration Information</title>
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| 182 |
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[b51fe6e] | 183 | <para>
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| 184 | For client access to remote files, you may need to install the
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| 185 | <xref linkend="openssh"/> package to connect to the remote server.
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| 186 | </para>
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[fdf798a6] | 187 |
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[b51fe6e] | 188 | <para>
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| 189 | This is a simple download-only configuration to set up running
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[23b54336] | 190 | <command>rsync</command> as a server. See the <ulink role='man'
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| 191 | url='&man;rsyncd.conf.5'>rsyncd.conf(5)</ulink>
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[b51fe6e] | 192 | man-page for additional options (i.e., user authentication).
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| 193 | </para>
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[5ab6e72] | 194 |
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| 195 | <screen role="root"><userinput>cat > /etc/rsyncd.conf << "EOF"
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| 196 | <literal># This is a basic rsync configuration file
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[0931098] | 197 | # It exports a single module without user authentication.
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| 198 |
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| 199 | motd file = /home/rsync/welcome.msg
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| 200 | use chroot = yes
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| 201 |
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| 202 | [localhost]
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| 203 | path = /home/rsync
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| 204 | comment = Default rsync module
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| 205 | read only = yes
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| 206 | list = yes
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| 207 | uid = rsyncd
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| 208 | gid = rsyncd
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[5ab6e72] | 209 | </literal>
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| 210 | EOF</userinput></screen>
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[0931098] | 211 |
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[b51fe6e] | 212 | <para>
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| 213 | You can find additional configuration information and general
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| 214 | documentation about <command>rsync</command> at
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[f0f68c1] | 215 | <ulink url="https://rsync.samba.org/documentation.html"/>.
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[b51fe6e] | 216 | </para>
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[bccbdaea] | 217 |
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[5ab6e72] | 218 | </sect3>
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[0931098] | 219 |
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[fdf798a6] | 220 | <sect3 id="rsync-init">
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[7b478500] | 221 | <title><phrase revision="sysv">Boot Script</phrase>
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| 222 | <phrase revision="systemd">Systemd Unit</phrase></title>
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[0931098] | 223 |
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[b51fe6e] | 224 | <para>
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[f0f68c1] | 225 | Note that you only need to start the
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[b51fe6e] | 226 | <application>rsync</application> server if you want to provide an
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| 227 | <application>rsync</application> archive on your local machine.
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| 228 | You don't need this <phrase revision="sysv">script</phrase>
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| 229 | <phrase revision="systemd">unit</phrase> to run the
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| 230 | <application>rsync</application> client.
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| 231 | </para>
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| 232 |
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| 233 | <para>
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| 234 | Install the
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| 235 | <phrase revision="sysv"><filename>/etc/rc.d/init.d/rsyncd</filename>
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| 236 | init script</phrase>
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| 237 | <phrase revision="systemd"><filename>rsyncd.service</filename>
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| 238 | unit</phrase> included in the
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| 239 | <xref linkend="bootscripts" revision="sysv"/>
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| 240 | <xref linkend="systemd-units" revision="systemd"/> package.
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| 241 | </para>
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[0931098] | 242 |
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[5ab6e72] | 243 | <screen role="root"><userinput>make install-rsyncd</userinput></screen>
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[0931098] | 244 |
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[7b478500] | 245 | <note revision="systemd">
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[b51fe6e] | 246 | <para>
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| 247 | This package comes with two types of units: A service file and a
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| 248 | socket file. The service file will start rsync daemon once at boot
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| 249 | and it will keep running until the system shuts down. The socket file
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| 250 | will make systemd listen on rsync port (Default 873, needs to be
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| 251 | edited for anything else) and will start rsync daemon when something
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| 252 | tries to connect to that port and stop the daemon when the connection
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| 253 | is terminated. This is called socket activation and is analogous to
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[8558044] | 254 | using <application>{,x}inetd</application> on a SysVinit based
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[b51fe6e] | 255 | system.
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| 256 | </para>
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| 257 |
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| 258 | <para>
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| 259 | By default, the first method is used - rsync daemon is started
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| 260 | at boot and stopped at shutdown. If the socket method is desired, you
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| 261 | need to run as the
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| 262 | <systemitem class="username">root</systemitem> user:
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| 263 | </para>
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[7b478500] | 264 |
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[a42c273] | 265 | <screen role="nodump"><userinput>systemctl stop rsyncd &&
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[7b478500] | 266 | systemctl disable rsyncd &&
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| 267 | systemctl enable rsyncd.socket &&
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| 268 | systemctl start rsyncd.socket</userinput></screen>
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| 269 |
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[b51fe6e] | 270 | <para>
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| 271 | Note that socket method is only useful for remote backups. For
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| 272 | local backups you'll need the service method.
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| 273 | </para>
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[7b478500] | 274 | </note>
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| 275 |
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[5ab6e72] | 276 | </sect3>
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[0931098] | 277 |
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[5ab6e72] | 278 | </sect2>
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[0931098] | 279 |
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[5ab6e72] | 280 | <sect2 role="content">
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| 281 | <title>Contents</title>
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[0931098] | 282 |
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[5ab6e72] | 283 | <segmentedlist>
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| 284 | <segtitle>Installed Program</segtitle>
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| 285 | <segtitle>Installed Libraries</segtitle>
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| 286 | <segtitle>Installed Directories</segtitle>
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[0931098] | 287 |
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[5ab6e72] | 288 | <seglistitem>
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[f0f68c1] | 289 | <seg>rsync and rsync-ssl</seg>
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[5ab6e72] | 290 | <seg>None</seg>
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[fdf798a6] | 291 | <seg>Optionally, /usr/share/doc/rsync-&rsync-version;</seg>
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[5ab6e72] | 292 | </seglistitem>
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| 293 | </segmentedlist>
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[0931098] | 294 |
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[5ab6e72] | 295 | <variablelist>
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| 296 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 297 | <?dbfo list-presentation="list"?>
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| 298 | <?dbhtml list-presentation="table"?>
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[0931098] | 299 |
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[5ab6e72] | 300 | <varlistentry id="rsync-prog">
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| 301 | <term><command>rsync</command></term>
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| 302 | <listitem>
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[b51fe6e] | 303 | <para>
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| 304 | is a replacement for <command>rcp</command> (and
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| 305 | <command>scp</command>) that has many more features. It uses the
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| 306 | <quote>rsync algorithm</quote> which provides a very fast method of
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| 307 | syncing remote files. It does this by sending just the differences
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| 308 | in the files across the link, without requiring that both sets of
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[4c24eb0a] | 309 | files are present at one end of the link beforehand
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[b51fe6e] | 310 | </para>
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[5ab6e72] | 311 | <indexterm zone="rsync rsync-prog">
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| 312 | <primary sortas="b-rsync">rsync</primary>
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| 313 | </indexterm>
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| 314 | </listitem>
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| 315 | </varlistentry>
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[0931098] | 316 |
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[f0f68c1] | 317 | <varlistentry id="rsync-ssl">
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| 318 | <term><command>rsync-ssl</command></term>
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| 319 | <listitem>
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| 320 | <para>
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| 321 | is a helper script used when connecting to an rsync daemon that
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[4c24eb0a] | 322 | has SSL support built in
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[f0f68c1] | 323 | </para>
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| 324 | <indexterm zone="rsync rsync-ssl">
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| 325 | <primary sortas="b-rsync-ssl">rsync-ssl</primary>
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| 326 | </indexterm>
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| 327 | </listitem>
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| 328 | </varlistentry>
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| 329 |
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[5ab6e72] | 330 | </variablelist>
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[46cef72] | 331 |
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[5ab6e72] | 332 | </sect2>
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[46cef72] | 333 |
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[5ab6e72] | 334 | </sect1>
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