[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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[19a12c69] | 9 | <!ENTITY rsync-md5sum "f5c17f9c9164ef9e60d9d8c96b23da06">
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| 10 | <!ENTITY rsync-size "1.2 MB">
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| 11 | <!ENTITY rsync-buildsize "9.2 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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[09ddf35a] | 34 | &lfs122_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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[0f9423c3] | 72 | <!-- This now uses LZ4, 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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[6ba3ab5] | 80 | <xref linkend="doxygen"/> and
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[f0f68c1] | 81 | <ulink url="https://cyan4973.github.io/xxHash/">xxhash</ulink>
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| 82 | </para>
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| 83 |
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[5ab6e72] | 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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[b51fe6e] | 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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[5ab6e72] | 97 |
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[fdf798a6] | 98 | <screen role="root"><userinput>groupadd -g 48 rsyncd &&
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[0c8e745] | 99 | useradd -c "rsyncd Daemon" -m -d /home/rsync -g rsyncd \
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[fdf798a6] | 100 | -s /bin/false -u 48 rsyncd</userinput></screen>
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[5ab6e72] | 101 |
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[b51fe6e] | 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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[5ab6e72] | 106 |
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[f0f68c1] | 107 | <screen><userinput>./configure --prefix=/usr \
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| 108 | --disable-xxhash \
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| 109 | --without-included-zlib &&
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[fdf798a6] | 110 | make</userinput></screen>
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| 111 |
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[b51fe6e] | 112 | <para>
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| 113 | If you have <xref linkend="doxygen"/> installed and wish to
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| 114 | build HTML API documentation, issue:
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| 115 | </para>
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[a42c273] | 116 |
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| 117 | <screen remap="doc"><userinput>doxygen</userinput></screen>
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[9b7fb82] | 118 |
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[b51fe6e] | 119 | <para>
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| 120 | To test the results, issue: <command>make check</command>.
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| 121 | </para>
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[fdf798a6] | 122 |
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[b51fe6e] | 123 | <para>
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| 124 | Now, as the <systemitem class="username">root</systemitem> user:
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| 125 | </para>
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[fdf798a6] | 126 |
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| 127 | <screen role='root'><userinput>make install</userinput></screen>
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| 128 |
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[b51fe6e] | 129 | <para>
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| 130 | If you built the documentation, install it using the following
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| 131 | commands as the <systemitem class="username">root</systemitem> user:
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| 132 | </para>
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[fdf798a6] | 133 |
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[a42c273] | 134 | <screen role='root'
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| 135 | remap="doc"><userinput>install -v -m755 -d /usr/share/doc/rsync-&rsync-version;/api &&
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[3534db5d] | 136 | install -v -m644 dox/html/* /usr/share/doc/rsync-&rsync-version;/api</userinput></screen>
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[0931098] | 137 |
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[5ab6e72] | 138 | </sect2>
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[0931098] | 139 |
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[04e3c200] | 140 | <sect2 role="commands">
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| 141 | <title>Command Explanations</title>
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| 142 |
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[f0f68c1] | 143 | <para>
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| 144 | <parameter>--disable-xxhash</parameter>: This switch disables advanced
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| 145 | xxhash checksum support. Remove this switch if you have installed
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| 146 | <ulink url="https://cyan4973.github.io/xxHash/">xxhash</ulink>.
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| 147 | </para>
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| 148 |
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[04e3c200] | 149 | <para>
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| 150 | <parameter>--without-included-zlib</parameter>: This switch enables
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[f0f68c1] | 151 | compilation with the system-installed zlib library.
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[04e3c200] | 152 | </para>
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| 153 |
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| 154 | </sect2>
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| 155 |
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[5ab6e72] | 156 | <sect2 role="configuration">
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| 157 | <title>Configuring rsync</title>
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[0931098] | 158 |
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[5ab6e72] | 159 | <sect3 id="rsync-config">
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| 160 | <title>Config Files</title>
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[0931098] | 161 |
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[b51fe6e] | 162 | <para>
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| 163 | <filename>/etc/rsyncd.conf</filename>
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| 164 | </para>
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[0931098] | 165 |
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[5ab6e72] | 166 | <indexterm zone="rsync rsync-config">
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| 167 | <primary sortas="e-etc-rsyncd.conf">/etc/rsyncd.conf</primary>
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| 168 | </indexterm>
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| 169 |
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| 170 | </sect3>
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| 171 |
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| 172 | <sect3>
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| 173 | <title>Configuration Information</title>
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| 174 |
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[b51fe6e] | 175 | <para>
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| 176 | For client access to remote files, you may need to install the
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| 177 | <xref linkend="openssh"/> package to connect to the remote server.
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| 178 | </para>
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[fdf798a6] | 179 |
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[b51fe6e] | 180 | <para>
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| 181 | This is a simple download-only configuration to set up running
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[23b54336] | 182 | <command>rsync</command> as a server. See the <ulink role='man'
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| 183 | url='&man;rsyncd.conf.5'>rsyncd.conf(5)</ulink>
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[b51fe6e] | 184 | man-page for additional options (i.e., user authentication).
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| 185 | </para>
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[5ab6e72] | 186 |
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| 187 | <screen role="root"><userinput>cat > /etc/rsyncd.conf << "EOF"
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| 188 | <literal># This is a basic rsync configuration file
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[0931098] | 189 | # It exports a single module without user authentication.
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| 190 |
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| 191 | motd file = /home/rsync/welcome.msg
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| 192 | use chroot = yes
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| 193 |
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| 194 | [localhost]
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| 195 | path = /home/rsync
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| 196 | comment = Default rsync module
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| 197 | read only = yes
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| 198 | list = yes
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| 199 | uid = rsyncd
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| 200 | gid = rsyncd
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[5ab6e72] | 201 | </literal>
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| 202 | EOF</userinput></screen>
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[0931098] | 203 |
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[b51fe6e] | 204 | <para>
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| 205 | You can find additional configuration information and general
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| 206 | documentation about <command>rsync</command> at
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[f0f68c1] | 207 | <ulink url="https://rsync.samba.org/documentation.html"/>.
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[b51fe6e] | 208 | </para>
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[bccbdaea] | 209 |
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[5ab6e72] | 210 | </sect3>
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[0931098] | 211 |
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[fdf798a6] | 212 | <sect3 id="rsync-init">
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[7b478500] | 213 | <title><phrase revision="sysv">Boot Script</phrase>
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| 214 | <phrase revision="systemd">Systemd Unit</phrase></title>
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[0931098] | 215 |
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[b51fe6e] | 216 | <para>
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[f0f68c1] | 217 | Note that you only need to start the
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[b51fe6e] | 218 | <application>rsync</application> server if you want to provide an
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| 219 | <application>rsync</application> archive on your local machine.
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| 220 | You don't need this <phrase revision="sysv">script</phrase>
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| 221 | <phrase revision="systemd">unit</phrase> to run the
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| 222 | <application>rsync</application> client.
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| 223 | </para>
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| 224 |
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| 225 | <para>
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| 226 | Install the
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| 227 | <phrase revision="sysv"><filename>/etc/rc.d/init.d/rsyncd</filename>
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| 228 | init script</phrase>
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| 229 | <phrase revision="systemd"><filename>rsyncd.service</filename>
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| 230 | unit</phrase> included in the
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| 231 | <xref linkend="bootscripts" revision="sysv"/>
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| 232 | <xref linkend="systemd-units" revision="systemd"/> package.
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| 233 | </para>
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[0931098] | 234 |
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[5ab6e72] | 235 | <screen role="root"><userinput>make install-rsyncd</userinput></screen>
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[0931098] | 236 |
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[7b478500] | 237 | <note revision="systemd">
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[b51fe6e] | 238 | <para>
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| 239 | This package comes with two types of units: A service file and a
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| 240 | socket file. The service file will start rsync daemon once at boot
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| 241 | and it will keep running until the system shuts down. The socket file
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| 242 | will make systemd listen on rsync port (Default 873, needs to be
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| 243 | edited for anything else) and will start rsync daemon when something
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| 244 | tries to connect to that port and stop the daemon when the connection
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| 245 | is terminated. This is called socket activation and is analogous to
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[8558044] | 246 | using <application>{,x}inetd</application> on a SysVinit based
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[b51fe6e] | 247 | system.
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| 248 | </para>
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| 249 |
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| 250 | <para>
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| 251 | By default, the first method is used - rsync daemon is started
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| 252 | at boot and stopped at shutdown. If the socket method is desired, you
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| 253 | need to run as the
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| 254 | <systemitem class="username">root</systemitem> user:
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| 255 | </para>
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[7b478500] | 256 |
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[a42c273] | 257 | <screen role="nodump"><userinput>systemctl stop rsyncd &&
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[7b478500] | 258 | systemctl disable rsyncd &&
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| 259 | systemctl enable rsyncd.socket &&
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| 260 | systemctl start rsyncd.socket</userinput></screen>
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| 261 |
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[b51fe6e] | 262 | <para>
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| 263 | Note that socket method is only useful for remote backups. For
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| 264 | local backups you'll need the service method.
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| 265 | </para>
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[7b478500] | 266 | </note>
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| 267 |
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[5ab6e72] | 268 | </sect3>
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[0931098] | 269 |
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[5ab6e72] | 270 | </sect2>
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[0931098] | 271 |
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[5ab6e72] | 272 | <sect2 role="content">
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| 273 | <title>Contents</title>
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[0931098] | 274 |
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[5ab6e72] | 275 | <segmentedlist>
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| 276 | <segtitle>Installed Program</segtitle>
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| 277 | <segtitle>Installed Libraries</segtitle>
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| 278 | <segtitle>Installed Directories</segtitle>
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[0931098] | 279 |
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[5ab6e72] | 280 | <seglistitem>
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[f0f68c1] | 281 | <seg>rsync and rsync-ssl</seg>
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[5ab6e72] | 282 | <seg>None</seg>
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[fdf798a6] | 283 | <seg>Optionally, /usr/share/doc/rsync-&rsync-version;</seg>
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[5ab6e72] | 284 | </seglistitem>
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| 285 | </segmentedlist>
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[0931098] | 286 |
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[5ab6e72] | 287 | <variablelist>
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| 288 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 289 | <?dbfo list-presentation="list"?>
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| 290 | <?dbhtml list-presentation="table"?>
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[0931098] | 291 |
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[5ab6e72] | 292 | <varlistentry id="rsync-prog">
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| 293 | <term><command>rsync</command></term>
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| 294 | <listitem>
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[b51fe6e] | 295 | <para>
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| 296 | is a replacement for <command>rcp</command> (and
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| 297 | <command>scp</command>) that has many more features. It uses the
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| 298 | <quote>rsync algorithm</quote> which provides a very fast method of
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| 299 | syncing remote files. It does this by sending just the differences
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| 300 | in the files across the link, without requiring that both sets of
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[4c24eb0a] | 301 | files are present at one end of the link beforehand
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[b51fe6e] | 302 | </para>
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[5ab6e72] | 303 | <indexterm zone="rsync rsync-prog">
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| 304 | <primary sortas="b-rsync">rsync</primary>
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| 305 | </indexterm>
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| 306 | </listitem>
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| 307 | </varlistentry>
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[0931098] | 308 |
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[f0f68c1] | 309 | <varlistentry id="rsync-ssl">
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| 310 | <term><command>rsync-ssl</command></term>
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| 311 | <listitem>
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| 312 | <para>
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| 313 | is a helper script used when connecting to an rsync daemon that
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[4c24eb0a] | 314 | has SSL support built in
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[f0f68c1] | 315 | </para>
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| 316 | <indexterm zone="rsync rsync-ssl">
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| 317 | <primary sortas="b-rsync-ssl">rsync-ssl</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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[5ab6e72] | 322 | </variablelist>
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[46cef72] | 323 |
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[5ab6e72] | 324 | </sect2>
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[46cef72] | 325 |
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[5ab6e72] | 326 | </sect1>
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