source: gnome/platform/gdm.xml@ 52250565

10.1 11.0 ken/refactor-virt lazarus qt5new trunk xry111/git-date xry111/git-date-for-trunk xry111/git-date-test
Last change on this file since 52250565 was 52250565, checked in by Pierre Labastie <pieere@…>, 14 months ago

Various clean-up and modifications to the dm pages in view of the recent
change to the bootscripts.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@23788 af4574ff-66df-0310-9fd7-8a98e5e911e0

  • Property mode set to 100644
File size: 10.6 KB
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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-36;/gdm-&gdm-version;.tar.xz">
8 <!ENTITY gdm-download-ftp "&gnome-download-ftp;/gdm/&gnome-minor-36;/gdm-&gdm-version;.tar.xz">
9 <!ENTITY gdm-md5sum "2fb78422269f5e75067024ce5386521c">
10 <!ENTITY gdm-size "1.2 MB">
11 <!ENTITY gdm-buildsize "42 MB">
12 <!ENTITY gdm-time "0.3 SBU">
13]>
14
15<sect1 id="gdm" xreflabel="GDM-&gdm-version;">
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 &lfs10_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">Additional Downloads</bridgehead>
75 <itemizedlist spacing="compact">
76 <listitem>
77 <para>
78 Required patch:
79 <ulink url="&patch-root;/gdm-&gdm-version;-security_fix-1.patch"/>
80 </para>
81 </listitem>
82 </itemizedlist>
83 -->
84 <bridgehead renderas="sect3">GDM Dependencies</bridgehead>
85
86 <bridgehead renderas="sect4">Required</bridgehead>
87 <para role="required">
88 <xref linkend="accountsservice"/>,
89 <xref linkend="gtk3"/>,
90 <xref linkend="iso-codes"/>,
91 <xref linkend="itstool"/>,
92 <xref linkend="libcanberra"/>,
93 <xref linkend="libdaemon"/>, and
94 <xref linkend="linux-pam"/>
95 </para>
96
97 <bridgehead renderas="sect4">Optional</bridgehead>
98 <para role="optional">
99 <xref linkend="keyutils"/>
100 </para>
101
102 <bridgehead renderas="sect4">Runtime Dependencies</bridgehead>
103 <para role="required">
104 <xref role="runtime" linkend="gnome-session"/>,
105 <xref role="runtime" linkend="gnome-shell"/>, and
106 <phrase revision="sysv"><xref role="runtime" linkend="elogind"/></phrase>
107 <phrase revision="systemd"><xref role="runtime" linkend="systemd"/></phrase>
108 </para>
109
110 <para condition="html" role="usernotes">User Notes:
111 <ulink url="&blfs-wiki;/gdm"/>
112 </para>
113 </sect2>
114
115 <sect2 role="installation">
116 <title>Installation of GDM</title>
117
118 <para>
119 It is recommended to have a dedicated user and group to take
120 control of the <command>gdm</command> daemon after it is
121 started. Issue the following commands as the
122 <systemitem class="username">root</systemitem> user:
123 </para>
124
125<screen role="root"><userinput>groupadd -g 21 gdm &amp;&amp;
126useradd -c "GDM Daemon Owner" -d /var/lib/gdm -u 21 \
127 -g gdm -s /bin/false gdm &amp;&amp;
128passwd -ql gdm</userinput></screen>
129
130 <para>
131 Install <application>GDM</application> by running the following
132 commands:
133 </para>
134
135<screen revision="sysv"><userinput>sed 's@systemd@elogind@' -i data/pam-lfs/gdm-launch-environment.pam &amp;&amp;
136
137./configure --prefix=/usr \
138 --sysconfdir=/etc \
139 --localstatedir=/var \
140 --without-plymouth \
141 --disable-static \
142 --enable-gdm-xsession \
143 --with-systemdsystemunitdir=no \
144 --with-pam-mod-dir=/lib/security &amp;&amp;
145make</userinput></screen>
146
147<screen revision="systemd"><userinput>./configure --prefix=/usr \
148 --sysconfdir=/etc \
149 --localstatedir=/var \
150 --without-plymouth \
151 --disable-static \
152 --enable-gdm-xsession \
153 --with-pam-mod-dir=/lib/security &amp;&amp;
154make</userinput></screen>
155
156 <para>
157 This package does not come with a usable test suite.
158 </para>
159
160 <para>
161 Now, as the <systemitem class="username">root</systemitem> user:
162 </para>
163
164<screen role="root" revision="sysv"><userinput>make install</userinput></screen>
165
166<screen role="root" revision="systemd"><userinput>make install &amp;&amp;
167install -v -m644 data/gdm.service /lib/systemd/system/gdm.service</userinput></screen>
168
169 </sect2>
170
171 <sect2 role="commands">
172 <title>Command Explanations</title>
173
174 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
175 href="../../xincludes/static-libraries.xml"/>
176
177 <para>
178 <option>--with-initial-vt=7</option>: Use this switch
179 to make <application>GDM</application> start on VT7
180 instead of the first free VT.
181 </para>
182
183 <para>
184 <parameter>--without-plymouth</parameter>: GDM now explicitly requires
185 plymouth to be installed. Use this switch to disable this dependency.
186 </para>
187
188 <para>
189 <option>--with-default-pam-config=lfs</option>: Use this
190 switch if you did not create the
191 <filename>/etc/lfs-release</filename> file or distribution
192 auto detection will fail and you will be unable to use
193 <application>GDM</application>.
194 </para>
195
196 <para>
197 <parameter>--enable-gdm-xsession</parameter>: This enables the
198 installation of the <application>GDM</application> Xsession file.
199 </para>
200
201 </sect2>
202
203 <sect2 role="configuration">
204 <title>Configuring GDM</title>
205
206 <sect3 id="gdm-config">
207 <title>Config Files</title>
208
209 <para>
210 <filename>/etc/gdm/custom.conf</filename>
211 </para>
212
213 <indexterm zone="gdm gdm-config">
214 <primary sortas="e-etc-gdm-custom.conf">/etc/gdm/custom.conf</primary>
215 </indexterm>
216
217 </sect3>
218
219 <sect3>
220 <title>Configuration Information</title>
221
222 <para>
223 The GDM daemon is configured using the
224 <filename>/etc/gdm/custom.conf</filename> file. Default values
225 are stored in GSettings in the <filename>gdm.schemas</filename>
226 file. It is recommended that end-users modify the
227 <filename>/etc/gdm/custom.conf</filename> file because the schemas
228 file may be overwritten when the user updates their system to have
229 a newer version of <application>GDM</application>.
230 </para>
231
232 </sect3>
233
234 <sect3 id="gdm-init">
235 <title><phrase revision="sysv">Boot Script</phrase>
236 <phrase revision="systemd">Systemd Unit</phrase></title>
237
238 <indexterm zone="gdm gdm-init">
239 <primary sortas="f-gdm">gdm</primary>
240 </indexterm>
241
242 <para revision="sysv">
243 To start <command>gdm</command> automatically when the system is
244 switched to runlevel 5, install the
245 <filename>/etc/rc.d/init.d/xdm</filename> script and the
246 <filename>/etc/sysconfig/xdm</filename> configuration file
247 included in the <xref linkend="bootscripts"/> package
248 and adjust <filename>/etc/inittab</filename> by running
249 as the <systemitem class="username">root</systemitem> user:
250 </para>
251
252<screen role="root" revision="sysv"><userinput>make install-gdm</userinput></screen>
253
254 <para revision="sysv">
255 In order to permanently set the default runlevel to 5, starting the
256 <command>gdm</command> greeter screen automatically, you can modify
257 <filename>/etc/inittab</filename>. As the <systemitem
258 class="username">root</systemitem> user:
259 </para>
260
261<screen role="root" revision="sysv"><userinput>sed /initdefault/s/3/5/ -i /etc/inittab</userinput></screen>
262
263 <para revision="systemd">
264 To start the <command>gdm</command> daemon at boot, enable
265 the previously installed systemd unit by running the following command
266 as the <systemitem class="username">root</systemitem> user:
267 </para>
268
269<screen role="root" revision="systemd"><userinput>systemctl enable gdm</userinput></screen>
270
271<!-- [pierre October 2020] I don't understand why this is here: power
272 management works perfectly well
273 <para revision="sysv">
274 You should also disable default elogind power management:
275 </para>
276
277<screen role="root" revision="sysv"><userinput>cat &gt;&gt; /etc/elogind/logind.conf &lt;&lt; "EOF"
278<literal>AllowSuspend=no
279AllowHibernation=no</literal>
280EOF</userinput></screen>
281-->
282
283 </sect3>
284
285 </sect2>
286
287 <sect2 role="content">
288 <title>Contents</title>
289
290 <segmentedlist>
291 <segtitle>Installed Programs</segtitle>
292 <segtitle>Installed Libraries</segtitle>
293 <segtitle>Installed Directories</segtitle>
294
295 <seglistitem>
296 <seg>
297 gdm, gdmflexiserver, and gdm-screenshot
298 </seg>
299 <seg>
300 libgdm.so and pam_gdm.so (PAM Module)
301 </seg>
302 <seg>
303 /etc/gdm,
304 /usr/include/gdm,
305 /usr/share/gdm,
306 /usr/share/help/*/gdm,
307 /var/cache/gdm,
308 /var/lib/gdm,
309 /var/log/gdm, and
310 /var/run/gdm
311 </seg>
312 </seglistitem>
313 </segmentedlist>
314
315 <variablelist>
316 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
317 <?dbfo list-presentation="list"?>
318 <?dbhtml list-presentation="table"?>
319
320 <varlistentry id="gdm-prog">
321 <term><command>gdm</command></term>
322 <listitem>
323 <para>
324 is a login prompt for <application>GNOME</application>.
325 </para>
326 <indexterm zone="gdm gdm-prog">
327 <primary sortas="b-gdm">gdm</primary>
328 </indexterm>
329 </listitem>
330 </varlistentry>
331
332 <varlistentry id="gdm-screenshot">
333 <term><command>gdm-screenshot</command></term>
334 <listitem>
335 <para>
336 is a screenshot tool for <application>GDM</application>.
337 </para>
338 <indexterm zone="gdm gdm-screenshot">
339 <primary sortas="b-gdm-screenshot">gdm-screenshot</primary>
340 </indexterm>
341 </listitem>
342 </varlistentry>
343
344 </variablelist>
345
346 </sect2>
347
348</sect1>
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