[7d4600c] | 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 | <!-- lightdm -->
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[475b404] | 8 | <!ENTITY lightdm-download-http "https://github.com/CanonicalLtd/lightdm/releases/download/&lightdm-version;/lightdm-&lightdm-version;.tar.xz">
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[7d4600c] | 9 | <!ENTITY lightdm-download-ftp " ">
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[ce5819b] | 10 | <!ENTITY lightdm-md5sum "c566ea595f2b81e68684be9f8dbcbb42">
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| 11 | <!ENTITY lightdm-size "500 KB">
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| 12 | <!ENTITY lightdm-buildsize "21 MB">
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[7d4600c] | 13 | <!ENTITY lightdm-time "0.2 SBU ">
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| 14 |
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| 15 | <!-- lightdm-gtk-greeter -->
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| 16 | <!ENTITY lightdm-gtk-greeter-download-http "https://launchpad.net/lightdm-gtk-greeter/2.0/&lightdm-gtk-greeter-version;/+download/lightdm-gtk-greeter-&lightdm-gtk-greeter-version;.tar.gz">
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| 17 | <!ENTITY lightdm-gtk-greeter-download-ftp " ">
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[ce5819b] | 18 | <!ENTITY lightdm-gtk-greeter-md5sum "36dc961f14cc3b0baef3ddb1c494eb16">
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| 19 | <!ENTITY lightdm-gtk-greeter-size "564 KB">
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| 20 | <!ENTITY lightdm-gtk-greeter-buildsize "5.0 MB">
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[7d4600c] | 21 | <!ENTITY lightdm-gtk-greeter-time "less than 0.1 SBU ">
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| 22 | ]>
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| 23 |
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| 24 | <sect1 id="lightdm" xreflabel="lightdm-&lightdm-version;">
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| 25 | <?dbhtml filename="lightdm.html"?>
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| 26 |
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| 27 | <sect1info>
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| 28 | <othername>$LastChangedBy$</othername>
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| 29 | <date>$Date$</date>
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| 30 | </sect1info>
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| 31 |
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| 32 | <title>lightdm-&lightdm-version;</title>
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| 33 |
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| 34 | <indexterm zone="lightdm">
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| 35 | <primary sortas="a-lightdm">lightdm</primary>
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| 36 | </indexterm>
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| 37 |
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| 38 | <sect2 role="package">
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| 39 | <title>Introduction to Lightdm</title>
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| 40 |
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| 41 | <para>
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| 42 | The <application>lightdm</application> package contains a lightweight
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| 43 | display manager based upon GTK.
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| 44 | </para>
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| 45 |
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[0111c51] | 46 | &lfs10_checked;
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[7d4600c] | 47 |
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| 48 | <bridgehead renderas="sect3">Lightdm Package Information</bridgehead>
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| 49 | <itemizedlist spacing="compact">
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| 50 | <listitem>
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| 51 | <para>
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| 52 | Download (HTTP): <ulink url="&lightdm-download-http;"/>
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| 53 | </para>
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| 54 | </listitem>
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| 55 | <listitem>
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| 56 | <para>
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| 57 | Download (FTP): <ulink url="&lightdm-download-ftp;"/>
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| 58 | </para>
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| 59 | </listitem>
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| 60 | <listitem>
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| 61 | <para>
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| 62 | Download MD5 sum: &lightdm-md5sum;
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| 63 | </para>
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| 64 | </listitem>
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| 65 | <listitem>
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| 66 | <para>
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| 67 | Download size: &lightdm-size;
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| 68 | </para>
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| 69 | </listitem>
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| 70 | <listitem>
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| 71 | <para>
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| 72 | Estimated disk space required: &lightdm-buildsize;
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| 73 | </para>
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| 74 | </listitem>
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| 75 | <listitem>
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| 76 | <para>
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| 77 | Estimated build time: &lightdm-time;
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| 78 | </para>
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| 79 | </listitem>
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| 80 | </itemizedlist>
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| 81 |
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[fbbc908] | 82 | <bridgehead renderas="sect3">Additional download</bridgehead>
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| 83 |
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[7d4600c] | 84 | <note>
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| 85 | <para>
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| 86 | The greeter is a program to present a graphical login screen. There
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| 87 | are several alternative greeters, but the gtk+ package is the reference
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| 88 | implementation. For a list of other greeters, see <ulink
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| 89 | url="https://en.wikipedia.org/wiki/LightDM"/>.
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| 90 | </para>
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| 91 | </note>
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| 92 |
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| 93 | <itemizedlist spacing="compact">
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| 94 | <listitem>
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| 95 | <para>
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| 96 | Download (HTTP): <ulink url="&lightdm-gtk-greeter-download-http;"/>
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| 97 | </para>
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| 98 | </listitem>
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| 99 | <listitem>
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| 100 | <para>
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| 101 | Download (FTP): <ulink url="&lightdm-gtk-greeter-download-ftp;"/>
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| 102 | </para>
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| 103 | </listitem>
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| 104 | <listitem>
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| 105 | <para>
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| 106 | Download MD5 sum: &lightdm-gtk-greeter-md5sum;
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| 107 | </para>
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| 108 | </listitem>
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| 109 | <listitem>
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| 110 | <para>
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| 111 | Download size: &lightdm-gtk-greeter-size;
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| 112 | </para>
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| 113 | </listitem>
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| 114 | <listitem>
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| 115 | <para>
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| 116 | Estimated disk space required: &lightdm-gtk-greeter-buildsize;
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| 117 | </para>
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| 118 | </listitem>
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| 119 | <listitem>
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| 120 | <para>
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| 121 | Estimated build time: &lightdm-gtk-greeter-time;
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| 122 | </para>
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| 123 | </listitem>
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| 124 | </itemizedlist>
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| 125 |
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| 126 | <bridgehead renderas="sect3">Lightdm Dependencies</bridgehead>
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| 127 |
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| 128 | <bridgehead renderas="sect4">Required</bridgehead>
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| 129 | <para role="required">
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[79b62423] | 130 | <xref linkend="exo"/> (for the greeter),
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| 131 | <!-- required by exo <xref linkend="gtk3"/>, -->
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[7d4600c] | 132 | <xref linkend="libgcrypt"/>,
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[95abc325] | 133 | <xref linkend="itstool"/>,
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[7d4600c] | 134 | <xref linkend="linux-pam"/>, and
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| 135 | <xref linkend="pcre"/>
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| 136 | </para>
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| 137 |
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| 138 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 139 | <para role="recommended">
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| 140 | <xref linkend="gobject-introspection"/>,
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| 141 | <xref linkend="libxklavier"/>, and
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| 142 | <xref linkend="vala"/>
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| 143 | </para>
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| 144 |
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| 145 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 146 | <para role="optional">
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[95abc325] | 147 | <xref role="runtime" linkend="accountsservice"/> (run time),
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[7d4600c] | 148 | <xref linkend="at-spi2-core"/>,
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[a1cfa44] | 149 | <xref linkend="gtk-doc"/>,
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[7d4600c] | 150 | <xref linkend="qt5"/>,
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| 151 | <ulink url="https://launchpad.net/ido">libido</ulink>, and
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| 152 | <ulink url="https://launchpad.net/libindicator">libindicator</ulink>
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| 153 |
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| 154 | </para>
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| 155 |
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| 156 | <para condition="html" role="usernotes">User Notes:
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| 157 | <ulink url="&blfs-wiki;/lightdm"/>
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| 158 | </para>
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| 159 | </sect2>
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| 160 |
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| 161 | <sect2 role="installation">
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| 162 | <title>Installation of Lightdm</title>
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| 163 |
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| 164 | <para>
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| 165 | First, create a dedicated user and group to take
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| 166 | control of the <command>lightdm</command> daemon after it is
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| 167 | started. Issue the following commands as the
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| 168 | <systemitem class="username">root</systemitem> user:
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| 169 | </para>
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| 170 |
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| 171 | <screen role="root"><userinput>groupadd -g 65 lightdm &&
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| 172 | useradd -c "Lightdm Daemon" \
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| 173 | -d /var/lib/lightdm \
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| 174 | -u 65 -g lightdm \
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| 175 | -s /bin/false lightdm</userinput></screen>
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| 176 |
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[95abc325] | 177 | <para revision="sysv">
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| 178 | Then change the <application>Linux-PAM</application> configuration files
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| 179 | so that <application>elogind</application> is used:
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| 180 | </para>
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| 181 |
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| 182 | <screen revision="sysv"><userinput>sed -i s/systemd/elogind/ data/pam/*</userinput></screen>
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| 183 |
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[7d4600c] | 184 | <para>
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| 185 | Install <application>lightdm</application> by running the following
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| 186 | commands:
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| 187 | </para>
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| 188 |
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[475b404] | 189 | <screen><userinput>./configure \
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[7d4600c] | 190 | --prefix=/usr \
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| 191 | --libexecdir=/usr/lib/lightdm \
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| 192 | --localstatedir=/var \
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| 193 | --sbindir=/usr/bin \
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| 194 | --sysconfdir=/etc \
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| 195 | --disable-static \
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| 196 | --disable-tests \
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| 197 | --with-greeter-user=lightdm \
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| 198 | --with-greeter-session=lightdm-gtk-greeter \
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| 199 | --docdir=/usr/share/doc/lightdm-&lightdm-version; &&
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| 200 | make</userinput></screen>
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| 201 |
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| 202 | <para>
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| 203 | This package does not come with a test suite.
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| 204 | </para>
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| 205 |
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| 206 | <para>
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| 207 | Now, as the <systemitem class="username">root</systemitem> user:
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| 208 | </para>
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| 209 |
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| 210 | <screen role="root"><userinput>make install &&
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[d97e2f71] | 211 | cp tests/src/lightdm-session /usr/bin &&
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[ecbf490] | 212 | sed -i '1 s/sh/bash --login/' /usr/bin/lightdm-session &&
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[7d4600c] | 213 | rm -rf /etc/init &&
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| 214 | install -v -dm755 -o lightdm -g lightdm /var/lib/lightdm &&
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| 215 | install -v -dm755 -o lightdm -g lightdm /var/lib/lightdm-data &&
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| 216 | install -v -dm755 -o lightdm -g lightdm /var/cache/lightdm &&
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| 217 | install -v -dm770 -o lightdm -g lightdm /var/log/lightdm</userinput></screen>
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| 218 |
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[97ee53d] | 219 | <para>
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| 220 | Now build the greeter:
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| 221 | </para>
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[7d4600c] | 222 |
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[475b404] | 223 | <screen><userinput>tar -xf ../lightdm-gtk-greeter-&lightdm-gtk-greeter-version;.tar.gz &&
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[fbcb3846] | 224 | cd lightdm-gtk-greeter-&lightdm-gtk-greeter-version; &&
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[7d4600c] | 225 |
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| 226 | ./configure \
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| 227 | --prefix=/usr \
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| 228 | --libexecdir=/usr/lib/lightdm \
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| 229 | --sbindir=/usr/bin \
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| 230 | --sysconfdir=/etc \
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| 231 | --with-libxklavier \
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| 232 | --enable-kill-on-sigterm \
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| 233 | --disable-libido \
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| 234 | --disable-libindicator \
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[fbcb3846] | 235 | --disable-static \
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[7d4600c] | 236 | --docdir=/usr/share/doc/lightdm-gtk-greeter-&lightdm-gtk-greeter-version; &&
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| 237 |
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| 238 | make</userinput></screen>
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| 239 |
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| 240 | <para>
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| 241 | Now, as the <systemitem class="username">root</systemitem> user:
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| 242 | </para>
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| 243 |
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[a1cfa44] | 244 | <screen role="root"><userinput>make install</userinput></screen>
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[7d4600c] | 245 |
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| 246 | </sect2>
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[ecbf490] | 247 |
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[7d4600c] | 248 | <sect2 role="commands">
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| 249 | <title>Command Explanations</title>
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[ecbf490] | 250 | <para>
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[7d4600c] | 251 |
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[ecbf490] | 252 | <command>sed ... /usr/bin/lightdm-session</command>:
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| 253 | This command ensures that the initial login via the greeter sources
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| 254 | /etc/profile and ~/.bash_profile. Without this, commands that depend on
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| 255 | different environment variables may not work as expected.
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| 256 | </para>
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| 257 | <!--
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[7d4600c] | 258 | <para>
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[c1ecca9] | 259 | <parameter>ITSTOOL=/bin/true</parameter>: although
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| 260 | <xref linkend="itstool"/> is not needed in a normal build,
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| 261 | <command>configure</command> throws an error if it is not found on the
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| 262 | system. This parameter prevents the error.
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| 263 | </para>
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| 264 |
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| 265 | <para>
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[9fa4a66] | 266 | <parameter>CFLAGS=...</parameter>: those two switches ensures some
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| 267 | warnings are not treated as errors.
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[c1ecca9] | 268 | </para>
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| 269 |
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| 270 | <para>
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| 271 | <parameter>HAVE_EXO_CSOURCE=yes</parameter>: although
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| 272 | <command>exo-csource</command> is not needed in a normal build,
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| 273 | <command>configure</command> throws an error if it is not found on the
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| 274 | system. This parameter prevents the error.
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[7d4600c] | 275 | </para>
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[475b404] | 276 | -->
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[ecbf490] | 277 | </sect2>
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| 278 |
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[7d4600c] | 279 | <sect2 role="configuration">
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| 280 | <title>Configuring lightdm</title>
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| 281 |
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| 282 | <sect3 id="lightdm-config">
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| 283 | <title>Config Files</title>
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| 284 |
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| 285 | <para>
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| 286 | /etc/lightdm/{lightdm,users,keys}.conf
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| 287 | </para>
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| 288 |
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| 289 | <indexterm zone="lightdm lightdm-config">
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| 290 | <primary sortas="e-etc-lightdm-lightdm.conf">/etc/lightdm/lightdm.conf</primary>
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| 291 | </indexterm>
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| 292 |
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| 293 | <indexterm zone="lightdm lightdm-config">
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| 294 | <primary sortas="e-users.conf">/etc/lightdm/users.conf</primary>
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| 295 | </indexterm>
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| 296 |
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| 297 | <indexterm zone="lightdm lightdm-config">
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| 298 | <primary sortas="e-keys.conf">/etc/lightdm/keys.conf</primary>
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| 299 | </indexterm>
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| 300 |
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| 301 | <indexterm zone="lightdm lightdm-config">
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| 302 | <primary sortas="e-lightdm-gtk-greeter.conf">
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| 303 | /etc/lightdm/lightdm-gtk-greeter.conf</primary>
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| 304 | </indexterm>
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| 305 |
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| 306 | </sect3>
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| 307 |
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| 308 | <sect3 id="lightdm-bootscript">
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[7dff3ca] | 309 | <title><phrase revision="sysv">Boot Script</phrase>
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| 310 | <phrase revision="systemd">Systemd Unit</phrase></title>
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[7d4600c] | 311 |
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[7dff3ca] | 312 | <para revision="sysv">
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[7d4600c] | 313 | Install the <filename revision="sysv">/etc/rc.d/init.d/lightdm</filename>
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[7dff3ca] | 314 | init script from the <xref linkend="bootscripts"/>
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[7d4600c] | 315 | </para>
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| 316 |
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[7dff3ca] | 317 | <screen role="root" revision="sysv"><userinput>make install-lightdm</userinput></screen>
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[7d4600c] | 318 | <indexterm zone="lightdm lightdm-bootscript">
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| 319 | <primary sortas="f-lightdm">lightdm</primary>
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| 320 | </indexterm>
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| 321 |
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[7dff3ca] | 322 | <para revision="systemd">
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| 323 | Install and enable the systemd unit. From the
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| 324 | <xref linkend="systemd-units"/> package:
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| 325 | </para>
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[7d4600c] | 326 |
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[7dff3ca] | 327 | <screen role="root" revision="systemd"><userinput>make install-lightdm &&
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| 328 | systemctl enable lightdm</userinput></screen>
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[7d4600c] | 329 |
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| 330 | </sect3>
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| 331 |
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| 332 | <sect3 id="lightdm-init" revision="sysv">
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| 333 | <title>Starting lightdm</title>
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| 334 |
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| 335 | <para>
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| 336 | If the lightdm bootscript has been installed, start lightdm by running, as the
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| 337 | <systemitem class="username">root</systemitem> user:
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| 338 | </para>
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| 339 |
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| 340 | <screen role="root"><userinput>/etc/rc.d/init.d/lightdm start</userinput></screen>
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| 341 |
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| 342 | <para>
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| 343 | By convention, X should be executed at runlevel 5, consequently, the
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| 344 | same is true for <application>lightdm</application>. However, LFS default
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| 345 | runlevel is 3. Changing to runlevel 5, from a console terminal, as
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| 346 | <systemitem class="username">root</systemitem> user, starts the
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| 347 | <command>lightdm</command> bootscript, bringing up the greeter screen:
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| 348 | </para>
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| 349 |
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| 350 | <screen role="root"><userinput>init 5</userinput></screen>
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| 351 |
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| 352 | <para>
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| 353 | In order to permanently set the default to 5, starting the
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| 354 | <command>lightdm</command> greeter screen automatically, modify
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| 355 | <filename>/etc/inittab</filename>. As the <systemitem
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| 356 | class="username">root</systemitem> user:
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| 357 | </para>
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| 358 |
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| 359 | <screen role="root"><userinput>cp -v /etc/inittab{,-orig} &&
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| 360 | sed -i '/initdefault/ s/3/5/' /etc/inittab</userinput></screen>
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| 361 |
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| 362 | </sect3>
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| 363 |
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| 364 | <sect3 id="lightdm-sessions">
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| 365 | <title>Available Sessions</title>
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| 366 |
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| 367 | <para>
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| 368 | The greeter offers a list of available sessions,
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| 369 | depending on the Window Managers and Desktop Environments installed. The
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| 370 | list includes sessions which have a corresponding
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| 371 | <filename>.desktop</filename> file installed under
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| 372 | <filename class="directory">/usr/share/xsessions</filename>. Most of the
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| 373 | Window Managers and Desktop Environments automatically provide those
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| 374 | files, but if necessary, you may include a custom one.
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| 375 | </para>
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| 376 |
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| 377 | </sect3>
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| 378 |
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| 379 | </sect2>
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| 380 |
|
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| 381 | <sect2 role="content">
|
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| 382 | <title>Contents</title>
|
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| 383 |
|
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| 384 | <segmentedlist>
|
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| 385 | <segtitle>Installed Programs</segtitle>
|
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| 386 | <segtitle>Installed Libraries</segtitle>
|
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| 387 | <segtitle>Installed Directories</segtitle>
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| 388 |
|
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| 389 | <seglistitem>
|
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| 390 | <seg>
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| 391 | dm-tool,
|
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| 392 | lightdm, and
|
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| 393 | lightdm-gtk-greeter
|
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| 394 | </seg>
|
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| 395 | <seg>
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| 396 | liblightdm-gobject-1.so
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| 397 | </seg>
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| 398 | <seg>
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| 399 | /etc/lightdm,
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| 400 | /etc/apparmor.d,
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| 401 | /usr/lib/lightdm,
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| 402 | /usr/include/lightdm-gobject-1,
|
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| 403 | /usr/share/help/C/lightdm
|
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| 404 | /usr/share/gtk-doc/html/lightdm-gobject-1,
|
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| 405 | /usr/share/doc/lightdm-gtk-greeter-&lightdm-gtk-greeter-version;,
|
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| 406 | /var/lib/lightdm,
|
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| 407 | /var/lib/lightdm-data,
|
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| 408 | /var/cache/lightdm, and
|
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| 409 | /var/log/lightdm
|
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| 410 | </seg>
|
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| 411 | </seglistitem>
|
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| 412 | </segmentedlist>
|
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| 413 |
|
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| 414 | <variablelist>
|
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| 415 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
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| 416 | <?dbfo list-presentation="list"?>
|
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| 417 | <?dbhtml list-presentation="table"?>
|
---|
| 418 |
|
---|
| 419 | <varlistentry id="lightdm-prog">
|
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| 420 | <term><command>lightdm</command></term>
|
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| 421 | <listitem>
|
---|
| 422 | <para>
|
---|
| 423 | is a display and login manager.
|
---|
| 424 | </para>
|
---|
| 425 | <indexterm zone="lightdm lightdm-prog">
|
---|
| 426 | <primary sortas="b-lightdm">lightdm</primary>
|
---|
| 427 | </indexterm>
|
---|
| 428 | </listitem>
|
---|
| 429 | </varlistentry>
|
---|
| 430 |
|
---|
| 431 | <varlistentry id="lightdm-gtk-greeter">
|
---|
| 432 | <term><command>lightdm-gtk-greeter</command></term>
|
---|
| 433 | <listitem>
|
---|
| 434 | <para>
|
---|
| 435 | is an auxiliary process that displays the greeter,
|
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| 436 | a graphical user interface that performs user
|
---|
| 437 | authentication and initiates the selected window manager
|
---|
| 438 | or display environment.
|
---|
| 439 | </para>
|
---|
| 440 | <indexterm zone="lightdm lightdm-gtk-greeter">
|
---|
| 441 | <primary sortas="b-lightdm-gtk-greeter">lightdm-gtk-greeter</primary>
|
---|
| 442 | </indexterm>
|
---|
| 443 | </listitem>
|
---|
| 444 | </varlistentry>
|
---|
| 445 |
|
---|
| 446 | </variablelist>
|
---|
| 447 |
|
---|
| 448 | </sect2>
|
---|
| 449 |
|
---|
| 450 | </sect1>
|
---|