| 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 |
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| 8 | <sect1 id="ch-system-dbus" role="wrap" revision="systemd">
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| 9 | <?dbhtml filename="dbus.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>dbus</productname>
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| 13 | <productnumber>&dbus-version;</productnumber>
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| 14 | <address>&dbus-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>D-Bus-&dbus-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-dbus">
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| 20 | <primary sortas="a-dbus">D-Bus</primary>
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| 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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| 26 | <para>D-Bus is a message bus system, a simple way for applications to talk
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| 27 | to one another. D-Bus supplies both a system daemon (for events such as
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| 28 | "new hardware device added" or "printer queue changed") and a
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| 29 | per-user-login-session daemon (for general IPC needs among user
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| 30 | applications). Also, the message bus is built on top of a general one-to-one
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| 31 | message passing framework, which can be used by any two applications to
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| 32 | communicate directly (without going through the message bus daemon).</para>
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| 33 |
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| 34 | <segmentedlist>
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| 35 | <segtitle>&buildtime;</segtitle>
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| 36 | <segtitle>&diskspace;</segtitle>
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| 37 |
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| 38 | <seglistitem>
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| 39 | <seg>&dbus-fin-sbu;</seg>
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| 40 | <seg>&dbus-fin-du;</seg>
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| 41 | </seglistitem>
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| 42 | </segmentedlist>
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| 43 |
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| 44 | </sect2>
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| 45 |
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| 46 | <sect2 role="installation">
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| 47 | <title>Installation of D-Bus</title>
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| 48 |
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| 49 | <para>Prepare D-Bus for compilation:</para>
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| 50 |
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| 51 | <screen><userinput remap="configure">./configure --prefix=/usr \
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| 52 | --sysconfdir=/etc \
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| 53 | --localstatedir=/var \
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| 54 | --disable-static \
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| 55 | --disable-doxygen-docs \
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| 56 | --disable-xml-docs \
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| 57 | --docdir=/usr/share/doc/dbus-&dbus-version; \
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| 58 | --with-console-auth-dir=/run/console \
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| 59 | --with-system-pid-file=/run/dbus/pid \
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| 60 | --with-system-socket=/run/dbus/system_bus_socket</userinput></screen>
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| 61 |
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| 62 | <variablelist>
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| 63 | <title>The meaning of the configure options:</title>
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| 64 |
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| 65 | <varlistentry>
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| 66 | <term><parameter>--with-console-auth-dir=/run/console</parameter></term>
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| 67 | <listitem>
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| 68 | <para>This specifies the location of the ConsoleKit authorization
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| 69 | directory.</para>
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| 70 | </listitem>
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| 71 | </varlistentry>
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| 72 |
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| 73 | <varlistentry>
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| 74 | <term>
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| 75 | <parameter>--with-system-pid-file=/run/dbus/pid</parameter> and
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| 76 | <parameter>--with-system-socket=/run/dbus/system_bus_socket</parameter>
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| 77 | </term>
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| 78 | <listitem>
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| 79 | <para>These set the location of the PID file and the system bus socket
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| 80 | to be in <filename class="directory">/run</filename>, instead of
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| 81 | deprecated <filename class="directory">/var/run</filename>.</para>
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| 82 | </listitem>
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| 83 | </varlistentry>
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| 84 |
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| 85 | </variablelist>
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| 86 |
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| 87 | <para>Compile the package:</para>
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| 88 |
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| 89 | <screen><userinput remap="make">make</userinput></screen>
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| 90 |
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| 91 | <para>This package does come with a test suite, but it requires several
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| 92 | packages that are not included in LFS. Instructions for running the
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| 93 | test suite can be found in the BLFS book at
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| 94 | <ulink url="&blfs-book;general/dbus.html"/>.</para>
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| 95 |
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| 96 | <para>Install the package:</para>
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| 97 |
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| 98 | <screen><userinput remap="install">make install</userinput></screen>
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| 99 |
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| 100 | <para>Create a symlink so that D-Bus and systemd can use the same
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| 101 | <filename>machine-id</filename> file:</para>
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| 102 |
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| 103 | <screen><userinput remap="install">ln -sfv /etc/machine-id /var/lib/dbus</userinput></screen>
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| 104 |
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| 105 | </sect2>
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| 106 |
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| 107 | <sect2 id="contents-dbus" role="content">
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| 108 | <title>Contents of D-Bus</title>
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| 109 |
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| 110 | <segmentedlist>
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| 111 | <segtitle>Installed programs</segtitle>
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| 112 | <segtitle>Installed libraries</segtitle>
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| 113 | <segtitle>Installed directories</segtitle>
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| 114 |
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| 115 | <seglistitem>
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| 116 | <seg>dbus-cleanup-sockets, dbus-daemon, dbus-launch, dbus-monitor,
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| 117 | dbus-run-session, dbus-send, dbus-test-tool,
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| 118 | dbus-update-activation-environment, and dbus-uuidgen</seg>
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| 119 | <seg>libdbus-1.{a,so}</seg>
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| 120 | <seg>/etc/dbus-1, /usr/include/dbus-1.0, /usr/lib/dbus-1.0,
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| 121 | /usr/share/dbus-1, /usr/share/doc/dbus-&dbus-version;,
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| 122 | and /var/lib/dbus</seg>
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| 123 | </seglistitem>
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| 124 | </segmentedlist>
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| 125 |
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| 126 | <variablelist>
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| 127 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 128 | <?dbfo list-presentation="list"?>
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| 129 | <?dbhtml list-presentation="table"?>
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| 130 |
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| 131 | <varlistentry id="dbus-cleanup-sockets">
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| 132 | <term><command>dbus-cleanup-sockets</command></term>
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| 133 | <listitem>
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| 134 | <para>is used to remove leftover sockets in a directory</para>
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| 135 | <indexterm zone="ch-system-dbus dbus-cleanup-sockets">
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| 136 | <primary sortas="b-dbus-cleanup-sockets">dbus-cleanup-sockets</primary>
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| 137 | </indexterm>
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| 138 | </listitem>
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| 139 | </varlistentry>
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| 140 |
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| 141 | <varlistentry id="dbus-daemon">
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| 142 | <term><command>dbus-daemon</command></term>
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| 143 | <listitem>
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| 144 | <para>Is the D-Bus message bus daemon</para>
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| 145 | <indexterm zone="ch-system-dbus dbus-daemon">
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| 146 | <primary sortas="b-dbus-daemon">dbus-daemon</primary>
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| 147 | </indexterm>
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| 148 | </listitem>
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| 149 | </varlistentry>
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| 150 |
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| 151 | <varlistentry id="dbus-launch">
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| 152 | <term><command>dbus-launch</command></term>
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| 153 | <listitem>
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| 154 | <para>Starts <command>dbus-daemon</command> from a shell
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| 155 | script</para>
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| 156 | <indexterm zone="ch-system-dbus dbus-launch">
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| 157 | <primary sortas="b-dbus-launch">dbus-launch</primary>
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| 158 | </indexterm>
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| 159 | </listitem>
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| 160 | </varlistentry>
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| 161 |
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| 162 | <varlistentry id="dbus-monitor">
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| 163 | <term><command>dbus-monitor</command></term>
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| 164 | <listitem>
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| 165 | <para>Monitors messages passing through a D-Bus message bus</para>
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| 166 | <indexterm zone="ch-system-dbus dbus-monitor">
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| 167 | <primary sortas="b-dbus-monitor">dbus-monitor</primary>
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| 168 | </indexterm>
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| 169 | </listitem>
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| 170 | </varlistentry>
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| 171 |
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| 172 | <varlistentry id="dbus-run-session">
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| 173 | <term><command>dbus-run-session</command></term>
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| 174 | <listitem>
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| 175 | <para>Starts a session bus instance of <command>dbus-daemon</command>
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| 176 | from a shell script and starts a specified program in that
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| 177 | session</para>
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| 178 | <indexterm zone="ch-system-dbus dbus-run-session">
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| 179 | <primary sortas="b-dbus-run-session">dbus-run-session</primary>
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| 180 | </indexterm>
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| 181 | </listitem>
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| 182 | </varlistentry>
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| 183 |
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| 184 | <varlistentry id="dbus-send">
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| 185 | <term><command>dbus-send</command></term>
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| 186 | <listitem>
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| 187 | <para>Sends a message to a D-Bus message bus</para>
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| 188 | <indexterm zone="ch-system-dbus dbus-send">
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| 189 | <primary sortas="b-dbus-send">dbus-send</primary>
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| 190 | </indexterm>
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| 191 | </listitem>
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| 192 | </varlistentry>
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| 193 |
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| 194 | <varlistentry id="dbus-test-tool">
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| 195 | <term><command>dbus-test-tool</command></term>
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| 196 | <listitem>
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| 197 | <para>Is a tool to help packages test
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| 198 | <application>D-Bus</application></para>
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| 199 | <indexterm zone="ch-system-dbus dbus-test-tool">
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| 200 | <primary sortas="b-dbus-test-tool">dbus-test-tool</primary>
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| 201 | </indexterm>
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| 202 | </listitem>
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| 203 | </varlistentry>
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| 204 |
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| 205 | <!-- This is a very long command name. Excuse the long <primary> statement below. -->
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| 206 | <varlistentry id="dbus-update-activation-environment">
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| 207 | <term><command>dbus-update-activation-environment</command></term>
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| 208 | <listitem>
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| 209 | <para>Updates environment variables that will be set for
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| 210 | <application>D-Bus</application> session services</para>
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| 211 | <indexterm zone="ch-system-dbus dbus-update-activation-environment">
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| 212 | <primary sortas="b-dbus-update-activation-environment">dbus-update-activation-environment</primary>
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| 213 | </indexterm>
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| 214 | </listitem>
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| 215 | </varlistentry>
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| 216 |
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| 217 | <varlistentry id="dbus-uuidgen">
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| 218 | <term><command>dbus-uuidgen</command></term>
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| 219 | <listitem>
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| 220 | <para>Generates a universally unique ID</para>
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| 221 | <indexterm zone="ch-system-dbus dbus-uuidgen">
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| 222 | <primary sortas="b-dbus-uuidgen">dbus-uuidgen</primary>
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| 223 | </indexterm>
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| 224 | </listitem>
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| 225 | </varlistentry>
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| 226 |
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| 227 | <varlistentry id="libdbus-1">
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| 228 | <term><filename class="libraryfile">libdbus-1</filename></term>
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| 229 | <listitem>
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| 230 | <para>Contains API functions used to communicate with the D-Bus
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| 231 | message bus</para>
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| 232 | <indexterm zone="ch-system-dbus libdbus-1">
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| 233 | <primary sortas="c-libdbus-1">libdbus-1</primary>
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| 234 | </indexterm>
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| 235 | </listitem>
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| 236 | </varlistentry>
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| 237 |
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| 238 | </variablelist>
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| 239 |
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| 240 | </sect2>
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| 241 |
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| 242 | </sect1>
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