source: gnome/platform/gdm.xml@ a2858f9

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Last change on this file since a2858f9 was a2858f9, checked in by Douglas R. Reno <renodr@…>, 5 years ago

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git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@19151 af4574ff-66df-0310-9fd7-8a98e5e911e0

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY gdm-download-http "&gnome-download-http;/gdm/&gnome-minor-24;/gdm-&gdm-version;.tar.xz">
8 <!ENTITY gdm-download-ftp "&gnome-download-ftp;/gdm/&gnome-minor-24;/gdm-&gdm-version;.tar.xz">
9 <!ENTITY gdm-md5sum "73a529efe0230794105840732bb1cbcf">
10 <!ENTITY gdm-size "1.1 MB">
11 <!ENTITY gdm-buildsize "40 MB (with tests)">
12 <!ENTITY gdm-time "0.3 SBU (with tests)">
13]>
14
15<sect1 id="gdm" xreflabel="GDM-&gdm-version;" revision="systemd">
16 <?dbhtml filename="gdm.html"?>
17
18 <sect1info>
19 <othername>$LastChangedBy$</othername>
20 <date>$Date$</date>
21 </sect1info>
22
23 <title>GDM-&gdm-version;</title>
24
25 <indexterm zone="gdm">
26 <primary sortas="a-GDM">GDM</primary>
27 </indexterm>
28
29 <sect2 role="package">
30 <title>Introduction to GDM</title>
31
32 <para>
33 <application>GDM</application> is a system service that is
34 responsible for providing graphical logins and managing local
35 and remote displays.
36 </para>
37
38 &lfs81_checked;
39
40 <bridgehead renderas="sect3">Package Information</bridgehead>
41 <itemizedlist spacing="compact">
42 <listitem>
43 <para>
44 Download (HTTP): <ulink url="&gdm-download-http;"/>
45 </para>
46 </listitem>
47 <listitem>
48 <para>
49 Download (FTP): <ulink url="&gdm-download-ftp;"/>
50 </para>
51 </listitem>
52 <listitem>
53 <para>
54 Download MD5 sum: &gdm-md5sum;
55 </para>
56 </listitem>
57 <listitem>
58 <para>
59 Download size: &gdm-size;
60 </para>
61 </listitem>
62 <listitem>
63 <para>
64 Estimated disk space required: &gdm-buildsize;
65 </para>
66 </listitem>
67 <listitem>
68 <para>
69 Estimated build time: &gdm-time;
70 </para>
71 </listitem>
72 </itemizedlist>
73
74 <bridgehead renderas="sect3">GDM Dependencies</bridgehead>
75
76 <bridgehead renderas="sect4">Required</bridgehead>
77 <para role="required">
78 <xref linkend="accountsservice"/>,
79 <xref linkend="gtk3"/>,
80 <xref linkend="iso-codes"/>,
81 <xref linkend="itstool"/>,
82 <xref linkend="libcanberra"/>,
83 <xref linkend="libdaemon"/>, and
84 <xref linkend="linux-pam"/>
85 </para>
86
87 <bridgehead renderas="sect4">Optional</bridgehead>
88 <para role="optional">
89 <xref linkend="check"/>
90 </para>
91
92 <bridgehead renderas="sect4">Runtime Dependencies</bridgehead>
93 <para role="required">
94 <xref linkend="gnome-session"/>,
95 <xref linkend="gnome-shell"/>, and
96 <xref linkend="systemd"/>
97 </para>
98
99 <para condition="html" role="usernotes">User Notes:
100 <ulink url="&blfs-wiki;/gdm"/>
101 </para>
102 </sect2>
103
104 <sect2 role="installation">
105 <title>Installation of GDM</title>
106
107 <para>
108 It is recommended to have a dedicated user and group to take
109 control of the <command>gdm</command> daemon after it is
110 started. Issue the following commands as the
111 <systemitem class="username">root</systemitem> user:
112 </para>
113
114<screen role="root"><userinput>groupadd -g 21 gdm &amp;&amp;
115useradd -c "GDM Daemon Owner" -d /var/lib/gdm -u 21 \
116 -g gdm -s /bin/false gdm &amp;&amp;
117passwd -ql gdm</userinput></screen>
118
119 <para>
120 Install <application>GDM</application> by running the following
121 commands:
122 </para>
123
124<screen><userinput>./configure --prefix=/usr \
125 --sysconfdir=/etc \
126 --localstatedir=/var \
127 --without-plymouth \
128 --disable-static \
129 --enable-gdm-xsession &amp;&amp;
130make</userinput></screen>
131
132 <para>
133 If you have installed <xref linkend="check"/> and you wish to run
134 the testsuite, issue: <command>make check</command>.
135 </para>
136
137 <para>
138 Now, as the <systemitem class="username">root</systemitem> user:
139 </para>
140
141<screen role="root"><userinput>make install &amp;&amp;
142install -v -m644 data/gdm.service /lib/systemd/system/gdm.service</userinput></screen>
143
144 </sect2>
145
146 <sect2 role="commands">
147 <title>Command Explanations</title>
148
149 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
150 href="../../xincludes/static-libraries.xml"/>
151
152 <para>
153 <option>--with-initial-vt=7</option>: Use this switch
154 to make <application>GDM</application> start on VT7
155 instead of the first free VT.
156 </para>
157
158 <para>
159 <parameter>--without-plymouth</parameter>: GDM now explicitly requires
160 plymouth to be installed. Use this switch to disable this dependency.
161 </para>
162
163 <para>
164 <option>--with-default-pam-config=lfs</option>: Use this
165 switch if you did not create the
166 <filename>/etc/lfs-release</filename> file or distribution
167 auto detection will fail and you will be unable to use
168 <application>GDM</application>.
169 </para>
170
171 <para>
172 <parameter>--enable-gdm-xsession</parameter>: This enables the
173 installation of the <application>GDM</application> Xsession file.
174 </para>
175
176 </sect2>
177
178 <sect2 role="configuration">
179 <title>Configuring GDM</title>
180
181 <sect3 id="gdm-config">
182 <title>Config Files</title>
183
184 <para>
185 <filename>/etc/gdm/custom.conf</filename>
186 </para>
187
188 <indexterm zone="gdm gdm-config">
189 <primary sortas="e-etc-gdm-custom.conf">/etc/gdm/custom.conf</primary>
190 </indexterm>
191
192 </sect3>
193
194 <sect3>
195 <title>Configuration Information</title>
196
197 <para>
198 The GDM daemon is configured using the
199 <filename>/etc/gdm/custom.conf</filename> file. Default values
200 are stored in GSettings in the <filename>gdm.schemas</filename>
201 file. It is recommended that end-users modify the
202 <filename>/etc/gdm/custom.conf</filename> file because the schemas
203 file may be overwritten when the user updates their system to have
204 a newer version of <application>GDM</application>.
205 </para>
206
207 </sect3>
208
209 <sect3 id="gdm-init">
210 <title>Systemd Units</title>
211
212 <para>
213 To start the <command>gdm</command> daemon at boot, enable
214 the previously installed systemd unit by running the following command
215 as the <systemitem class="username">root</systemitem> user:
216 </para>
217
218 <indexterm zone="gdm gdm-init">
219 <primary sortas="f-gdm">gdm</primary>
220 </indexterm>
221
222<screen role="root"><userinput>systemctl enable gdm</userinput></screen>
223
224 </sect3>
225
226 </sect2>
227
228 <sect2 role="content">
229 <title>Contents</title>
230
231 <segmentedlist>
232 <segtitle>Installed Programs</segtitle>
233 <segtitle>Installed Libraries</segtitle>
234 <segtitle>Installed Directories</segtitle>
235
236 <seglistitem>
237 <seg>
238 gdm, gdmflexiserver, and gdm-screenshot
239 </seg>
240 <seg>
241 libgdm.so and pam_gdm.so (PAM Module)
242 </seg>
243 <seg>
244 /etc/gdm,
245 /usr/include/gdm,
246 /usr/share/gdm,
247 /usr/share/help/*/gdm,
248 /var/cache/gdm,
249 /var/lib/gdm,
250 /var/log/gdm, and
251 /var/run/gdm
252 </seg>
253 </seglistitem>
254 </segmentedlist>
255
256 <variablelist>
257 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
258 <?dbfo list-presentation="list"?>
259 <?dbhtml list-presentation="table"?>
260
261 <varlistentry id="gdm-prog">
262 <term><command>gdm</command></term>
263 <listitem>
264 <para>
265 is a login prompt for <application>GNOME</application>.
266 </para>
267 <indexterm zone="gdm gdm-prog">
268 <primary sortas="b-gdm">gdm</primary>
269 </indexterm>
270 </listitem>
271 </varlistentry>
272
273 <varlistentry id="gdm-screenshot">
274 <term><command>gdm-screenshot</command></term>
275 <listitem>
276 <para>
277 is a screenshot tool for <application>GDM</application>.
278 </para>
279 <indexterm zone="gdm gdm-screenshot">
280 <primary sortas="b-gdm-screenshot">gdm-screenshot</primary>
281 </indexterm>
282 </listitem>
283 </varlistentry>
284
285 </variablelist>
286
287 </sect2>
288
289</sect1>
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