| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY gdm-download-http "&gnome-download-http;/gdm/&gnome-minor-30;/gdm-&gdm-version;.tar.xz">
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| 8 | <!ENTITY gdm-download-ftp "&gnome-download-ftp;/gdm/&gnome-minor-30;/gdm-&gdm-version;.tar.xz">
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| 9 | <!ENTITY gdm-md5sum "88ff692eabb779cd53246d559e767ad9">
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| 10 | <!ENTITY gdm-size "1.2 MB">
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| 11 | <!ENTITY gdm-buildsize "42 MB">
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| 12 | <!ENTITY gdm-time "0.3 SBU">
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="gdm" xreflabel="GDM-&gdm-version;">
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| 16 | <?dbhtml filename="gdm.html"?>
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| 17 |
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| 18 | <sect1info>
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| 19 | <othername>$LastChangedBy$</othername>
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| 20 | <date>$Date$</date>
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| 21 | </sect1info>
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| 22 |
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| 23 | <title>GDM-&gdm-version;</title>
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| 24 |
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| 25 | <indexterm zone="gdm">
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| 26 | <primary sortas="a-GDM">GDM</primary>
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| 27 | </indexterm>
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| 28 |
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| 29 | <sect2 role="package">
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| 30 | <title>Introduction to GDM</title>
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| 31 |
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| 32 | <para>
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| 33 | <application>GDM</application> is a system service that is
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| 34 | responsible for providing graphical logins and managing local
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| 35 | and remote displays.
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| 36 | </para>
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| 37 |
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| 38 | &lfs84_checked;
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| 39 |
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| 40 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 41 | <itemizedlist spacing="compact">
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| 42 | <listitem>
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| 43 | <para>
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| 44 | Download (HTTP): <ulink url="&gdm-download-http;"/>
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| 45 | </para>
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| 46 | </listitem>
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| 47 | <listitem>
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| 48 | <para>
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| 49 | Download (FTP): <ulink url="&gdm-download-ftp;"/>
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| 50 | </para>
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| 51 | </listitem>
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| 52 | <listitem>
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| 53 | <para>
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| 54 | Download MD5 sum: &gdm-md5sum;
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| 55 | </para>
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| 56 | </listitem>
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| 57 | <listitem>
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| 58 | <para>
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| 59 | Download size: &gdm-size;
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| 60 | </para>
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| 61 | </listitem>
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| 62 | <listitem>
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| 63 | <para>
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| 64 | Estimated disk space required: &gdm-buildsize;
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| 65 | </para>
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| 66 | </listitem>
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| 67 | <listitem>
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| 68 | <para>
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| 69 | Estimated build time: &gdm-time;
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| 70 | </para>
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| 71 | </listitem>
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| 72 | </itemizedlist>
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| 73 |
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| 74 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 75 | <itemizedlist spacing="compact">
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| 76 | <listitem>
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| 77 | <para>
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| 78 | Required patch:
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| 79 | <ulink url="&patch-root;/gdm-&gdm-version;-security_fix-1.patch"/>
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| 80 | </para>
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| 81 | </listitem>
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| 82 | </itemizedlist>
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| 83 |
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| 84 | <bridgehead renderas="sect3" revision="sysv">Additional Downloads</bridgehead>
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| 85 | <itemizedlist spacing="compact" revision="sysv">
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| 86 | <listitem>
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| 87 | <para>
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| 88 | Recommended patch:
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| 89 | <ulink url="&patch-root;/gdm-&gdm-version;-elogind-1.patch"/>
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| 90 | </para>
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| 91 | </listitem>
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| 92 | </itemizedlist>
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| 93 |
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| 94 | <bridgehead renderas="sect3">GDM Dependencies</bridgehead>
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| 95 |
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| 96 | <bridgehead renderas="sect4">Required</bridgehead>
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| 97 | <para role="required">
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| 98 | <xref linkend="accountsservice"/>,
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| 99 | <xref linkend="gtk3"/>,
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| 100 | <xref linkend="iso-codes"/>,
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| 101 | <xref linkend="itstool"/>,
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| 102 | <xref linkend="keyutils"/>,
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| 103 | <xref linkend="libcanberra"/>,
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| 104 | <xref linkend="libdaemon"/>, and
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| 105 | <xref linkend="linux-pam"/>
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| 106 | </para>
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| 107 |
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| 108 | <bridgehead renderas="sect4">Runtime Dependencies</bridgehead>
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| 109 | <para role="required">
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| 110 | <xref role="runtime" linkend="gnome-session"/>,
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| 111 | <xref role="runtime" linkend="gnome-shell"/>, and
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| 112 | <phrase revision="sysv"><xref role="runtime" linkend="elogind"/></phrase>
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| 113 | <phrase revision="systemd"><xref role="runtime" linkend="systemd"/></phrase>
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| 114 | </para>
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| 115 |
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| 116 | <para condition="html" role="usernotes">User Notes:
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| 117 | <ulink url="&blfs-wiki;/gdm"/>
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| 118 | </para>
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| 119 | </sect2>
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| 120 |
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| 121 | <sect2 role="installation">
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| 122 | <title>Installation of GDM</title>
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| 123 |
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| 124 | <para>
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| 125 | It is recommended to have a dedicated user and group to take
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| 126 | control of the <command>gdm</command> daemon after it is
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| 127 | started. Issue the following commands as the
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| 128 | <systemitem class="username">root</systemitem> user:
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| 129 | </para>
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| 130 |
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| 131 | <screen role="root"><userinput>groupadd -g 21 gdm &&
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| 132 | useradd -c "GDM Daemon Owner" -d /var/lib/gdm -u 21 \
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| 133 | -g gdm -s /bin/false gdm &&
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| 134 | passwd -ql gdm</userinput></screen>
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| 135 |
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| 136 | <para revision="sysv">
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| 137 | Apply a patch to use <xref linkend="elogind"/> session tracking:
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| 138 | </para>
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| 139 |
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| 140 | <screen revision="sysv"><userinput>patch -Np1 -i ../gdm-&gdm-version;-elogind-1.patch &&
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| 141 | autoreconf -fi</userinput></screen>
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| 142 |
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| 143 | <para>
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| 144 | Install <application>GDM</application> by running the following
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| 145 | commands:
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| 146 | </para>
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| 147 |
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| 148 | <screen><userinput>patch -Np1 -i ../gdm-&gdm-version;-security_fix-1.patch &&
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| 149 |
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| 150 | ./configure --prefix=/usr \
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| 151 | --sysconfdir=/etc \
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| 152 | --localstatedir=/var \
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| 153 | --without-plymouth \
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| 154 | --disable-static \
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| 155 | --enable-gdm-xsession \
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| 156 | --with-pam-mod-dir=/lib/security &&
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| 157 | make</userinput></screen>
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| 158 |
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| 159 | <para>
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| 160 | This package does not come with a usable test suite.
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| 161 | </para>
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| 162 |
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| 163 | <para>
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| 164 | Now, as the <systemitem class="username">root</systemitem> user:
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| 165 | </para>
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| 166 |
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| 167 | <screen role="root"><userinput>make install &&
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| 168 | install -v -m644 data/gdm.service /lib/systemd/system/gdm.service</userinput></screen>
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| 169 |
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| 170 | </sect2>
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| 171 |
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| 172 | <sect2 role="commands">
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| 173 | <title>Command Explanations</title>
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| 174 |
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| 175 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 176 | href="../../xincludes/static-libraries.xml"/>
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| 177 |
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| 178 | <para>
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| 179 | <option>--with-initial-vt=7</option>: Use this switch
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| 180 | to make <application>GDM</application> start on VT7
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| 181 | instead of the first free VT.
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| 182 | </para>
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| 183 |
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| 184 | <para>
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| 185 | <parameter>--without-plymouth</parameter>: GDM now explicitly requires
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| 186 | plymouth to be installed. Use this switch to disable this dependency.
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| 187 | </para>
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| 188 |
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| 189 | <para>
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| 190 | <option>--with-default-pam-config=lfs</option>: Use this
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| 191 | switch if you did not create the
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| 192 | <filename>/etc/lfs-release</filename> file or distribution
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| 193 | auto detection will fail and you will be unable to use
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| 194 | <application>GDM</application>.
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| 195 | </para>
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| 196 |
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| 197 | <para>
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| 198 | <parameter>--enable-gdm-xsession</parameter>: This enables the
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| 199 | installation of the <application>GDM</application> Xsession file.
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| 200 | </para>
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| 201 |
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| 202 | </sect2>
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| 203 |
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| 204 | <sect2 role="configuration">
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| 205 | <title>Configuring GDM</title>
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| 206 |
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| 207 | <sect3 id="gdm-config">
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| 208 | <title>Config Files</title>
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| 209 |
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| 210 | <para>
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| 211 | <filename>/etc/gdm/custom.conf</filename>
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| 212 | </para>
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| 213 |
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| 214 | <indexterm zone="gdm gdm-config">
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| 215 | <primary sortas="e-etc-gdm-custom.conf">/etc/gdm/custom.conf</primary>
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| 216 | </indexterm>
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| 217 |
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| 218 | </sect3>
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| 219 |
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| 220 | <sect3>
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| 221 | <title>Configuration Information</title>
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| 222 |
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| 223 | <para>
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| 224 | The GDM daemon is configured using the
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| 225 | <filename>/etc/gdm/custom.conf</filename> file. Default values
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| 226 | are stored in GSettings in the <filename>gdm.schemas</filename>
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| 227 | file. It is recommended that end-users modify the
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| 228 | <filename>/etc/gdm/custom.conf</filename> file because the schemas
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| 229 | file may be overwritten when the user updates their system to have
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| 230 | a newer version of <application>GDM</application>.
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| 231 | </para>
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| 232 |
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| 233 | </sect3>
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| 234 |
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| 235 | <sect3 id="gdm-init">
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| 236 | <title><phrase revision="sysv">Boot Script</phrase>
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| 237 | <phrase revision="systemd">Systemd Unit</phrase></title>
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| 238 |
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| 239 | <para revision="sysv">
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| 240 | To start the <command>gdm</command> automatically when the system
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| 241 | is booted, install the <filename>/etc/rc.d/init.d/httpd</filename>
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| 242 | init script included in the <xref linkend="bootscripts"/> package and
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| 243 | set the default runlevel to 5 (graphical login) as the
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| 244 | <systemitem class="username">root</systemitem> user:
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| 245 | </para>
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| 246 |
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| 247 | <para revision="systemd">
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| 248 | To start the <command>gdm</command> daemon at boot, enable
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| 249 | the previously installed systemd unit by running the following command
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| 250 | as the <systemitem class="username">root</systemitem> user:
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| 251 | </para>
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| 252 |
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| 253 | <indexterm zone="gdm gdm-init">
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| 254 | <primary sortas="f-gdm">gdm</primary>
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| 255 | </indexterm>
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| 256 |
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| 257 | <screen role="root" revision="sysv"><userinput>make install-gdm &&
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| 258 | sed /initdefault/s/3/5/ -i /etc/inittab</userinput></screen>
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| 259 |
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| 260 | <screen role="root" revision="systemd"><userinput>systemctl enable gdm</userinput></screen>
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| 261 |
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| 262 | </sect3>
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| 263 |
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| 264 | </sect2>
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| 265 |
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| 266 | <sect2 role="content">
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| 267 | <title>Contents</title>
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| 268 |
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| 269 | <segmentedlist>
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| 270 | <segtitle>Installed Programs</segtitle>
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| 271 | <segtitle>Installed Libraries</segtitle>
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| 272 | <segtitle>Installed Directories</segtitle>
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| 273 |
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| 274 | <seglistitem>
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| 275 | <seg>
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| 276 | gdm, gdmflexiserver, and gdm-screenshot
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| 277 | </seg>
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| 278 | <seg>
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| 279 | libgdm.so and pam_gdm.so (PAM Module)
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| 280 | </seg>
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| 281 | <seg>
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| 282 | /etc/gdm,
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| 283 | /usr/include/gdm,
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| 284 | /usr/share/gdm,
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| 285 | /usr/share/help/*/gdm,
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| 286 | /var/cache/gdm,
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| 287 | /var/lib/gdm,
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| 288 | /var/log/gdm, and
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| 289 | /var/run/gdm
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| 290 | </seg>
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| 291 | </seglistitem>
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| 292 | </segmentedlist>
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| 293 |
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| 294 | <variablelist>
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| 295 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 296 | <?dbfo list-presentation="list"?>
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| 297 | <?dbhtml list-presentation="table"?>
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| 298 |
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| 299 | <varlistentry id="gdm-prog">
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| 300 | <term><command>gdm</command></term>
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| 301 | <listitem>
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| 302 | <para>
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| 303 | is a login prompt for <application>GNOME</application>.
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| 304 | </para>
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| 305 | <indexterm zone="gdm gdm-prog">
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| 306 | <primary sortas="b-gdm">gdm</primary>
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| 307 | </indexterm>
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| 308 | </listitem>
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| 309 | </varlistentry>
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| 310 |
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| 311 | <varlistentry id="gdm-screenshot">
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| 312 | <term><command>gdm-screenshot</command></term>
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| 313 | <listitem>
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| 314 | <para>
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| 315 | is a screenshot tool for <application>GDM</application>.
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| 316 | </para>
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| 317 | <indexterm zone="gdm gdm-screenshot">
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| 318 | <primary sortas="b-gdm-screenshot">gdm-screenshot</primary>
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| 319 | </indexterm>
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| 320 | </listitem>
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| 321 | </varlistentry>
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| 322 |
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| 323 | </variablelist>
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| 324 |
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| 325 | </sect2>
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| 326 |
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| 327 | </sect1>
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