source: x/dm/lightdm.xml@ 9fa4a66

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Last change on this file since 9fa4a66 was 9fa4a66, checked in by Bruce Dubbs <bdubbs@…>, 6 years ago

Tags, mostly multimedia

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@19837 af4574ff-66df-0310-9fd7-8a98e5e911e0
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File size: 14.0 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<!-- lightdm -->
8 <!ENTITY lightdm-download-http "https://launchpad.net/lightdm/1.24/&lightdm-version;/+download/lightdm-&lightdm-version;.tar.xz">
9 <!ENTITY lightdm-download-ftp " ">
10 <!ENTITY lightdm-md5sum "76d65ba5d1bc93e80b611771698739db">
11 <!ENTITY lightdm-size "508 KB">
12 <!ENTITY lightdm-buildsize "20 MB">
13 <!ENTITY lightdm-time "0.2 SBU ">
14
15<!-- lightdm-gtk-greeter -->
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">
17 <!ENTITY lightdm-gtk-greeter-download-ftp " ">
18 <!ENTITY lightdm-gtk-greeter-md5sum "29f352906d200568cceb4d449b5619c6">
19 <!ENTITY lightdm-gtk-greeter-size "480 KB">
20 <!ENTITY lightdm-gtk-greeter-buildsize "3.9 MB">
21 <!ENTITY lightdm-gtk-greeter-time "less than 0.1 SBU ">
22]>
23
24<sect1 id="lightdm" xreflabel="lightdm-&lightdm-version;">
25 <?dbhtml filename="lightdm.html"?>
26
27 <sect1info>
28 <othername>$LastChangedBy$</othername>
29 <date>$Date$</date>
30 </sect1info>
31
32 <title>lightdm-&lightdm-version;</title>
33
34 <indexterm zone="lightdm">
35 <primary sortas="a-lightdm">lightdm</primary>
36 </indexterm>
37
38 <sect2 role="package">
39 <title>Introduction to Lightdm</title>
40
41 <para>
42 The <application>lightdm</application> package contains a lightweight
43 display manager based upon GTK.
44 </para>
45
46 &lfs82_checked;
47
48 <bridgehead renderas="sect3">Lightdm Package Information</bridgehead>
49 <itemizedlist spacing="compact">
50 <listitem>
51 <para>
52 Download (HTTP): <ulink url="&lightdm-download-http;"/>
53 </para>
54 </listitem>
55 <listitem>
56 <para>
57 Download (FTP): <ulink url="&lightdm-download-ftp;"/>
58 </para>
59 </listitem>
60 <listitem>
61 <para>
62 Download MD5 sum: &lightdm-md5sum;
63 </para>
64 </listitem>
65 <listitem>
66 <para>
67 Download size: &lightdm-size;
68 </para>
69 </listitem>
70 <listitem>
71 <para>
72 Estimated disk space required: &lightdm-buildsize;
73 </para>
74 </listitem>
75 <listitem>
76 <para>
77 Estimated build time: &lightdm-time;
78 </para>
79 </listitem>
80 </itemizedlist>
81
82 <note>
83 <para>
84 The greeter is a program to present a graphical login screen. There
85 are several alternative greeters, but the gtk+ package is the reference
86 implementation. For a list of other greeters, see <ulink
87 url="https://en.wikipedia.org/wiki/LightDM"/>.
88 </para>
89 </note>
90
91 <bridgehead renderas="sect3">Lightdm-gtk-greeter Package Information</bridgehead>
92 <itemizedlist spacing="compact">
93 <listitem>
94 <para>
95 Download (HTTP): <ulink url="&lightdm-gtk-greeter-download-http;"/>
96 </para>
97 </listitem>
98 <listitem>
99 <para>
100 Download (FTP): <ulink url="&lightdm-gtk-greeter-download-ftp;"/>
101 </para>
102 </listitem>
103 <listitem>
104 <para>
105 Download MD5 sum: &lightdm-gtk-greeter-md5sum;
106 </para>
107 </listitem>
108 <listitem>
109 <para>
110 Download size: &lightdm-gtk-greeter-size;
111 </para>
112 </listitem>
113 <listitem>
114 <para>
115 Estimated disk space required: &lightdm-gtk-greeter-buildsize;
116 </para>
117 </listitem>
118 <listitem>
119 <para>
120 Estimated build time: &lightdm-gtk-greeter-time;
121 </para>
122 </listitem>
123 </itemizedlist>
124
125 <bridgehead renderas="sect3">Lightdm Dependencies</bridgehead>
126
127 <bridgehead renderas="sect4">Required</bridgehead>
128 <para role="required">
129 <xref linkend="gtk3"/>,
130 <xref linkend="libgcrypt"/>,
131 <xref linkend="linux-pam"/>, and
132 <xref linkend="pcre"/>
133 </para>
134
135 <bridgehead renderas="sect4">Recommended</bridgehead>
136 <para role="recommended">
137 <xref linkend="gobject-introspection"/>,
138 <xref linkend="libxklavier"/>, and
139 <xref linkend="vala"/>
140 </para>
141
142 <bridgehead renderas="sect4">Optional</bridgehead>
143 <para role="optional">
144 <xref linkend="at-spi2-core"/>,
145 <xref linkend="exo"/>,
146 <xref linkend="gtk-doc"/>,
147 <xref linkend="itstool"/>,
148 <xref linkend="qt5"/>,
149 <ulink url="https://launchpad.net/ido">libido</ulink>, and
150 <ulink url="https://launchpad.net/libindicator">libindicator</ulink>
151
152 </para>
153
154 <para condition="html" role="usernotes">User Notes:
155 <ulink url="&blfs-wiki;/lightdm"/>
156 </para>
157 </sect2>
158
159 <sect2 role="installation">
160 <title>Installation of Lightdm</title>
161
162 <para>
163 First, create a dedicated user and group to take
164 control of the <command>lightdm</command> daemon after it is
165 started. Issue the following commands as the
166 <systemitem class="username">root</systemitem> user:
167 </para>
168
169<screen role="root"><userinput>groupadd -g 65 lightdm &amp;&amp;
170useradd -c "Lightdm Daemon" \
171 -d /var/lib/lightdm \
172 -u 65 -g lightdm \
173 -s /bin/false lightdm</userinput></screen>
174
175 <para>
176 Install <application>lightdm</application> by running the following
177 commands:
178 </para>
179
180<screen><userinput>ITSTOOL=/bin/true \
181./configure \
182 --prefix=/usr \
183 --libexecdir=/usr/lib/lightdm \
184 --localstatedir=/var \
185 --sbindir=/usr/bin \
186 --sysconfdir=/etc \
187 --disable-static \
188 --disable-tests \
189 --with-greeter-user=lightdm \
190 --with-greeter-session=lightdm-gtk-greeter \
191 --docdir=/usr/share/doc/lightdm-&lightdm-version; &amp;&amp;
192make</userinput></screen>
193
194 <para>
195 This package does not come with a test suite.
196 </para>
197
198 <para>
199 Now, as the <systemitem class="username">root</systemitem> user:
200 </para>
201
202<screen role="root"><userinput>make install &amp;&amp;
203
204sed '\@/bin/sh@a\
205\
206. /etc/profile' tests/src/lightdm-session > /usr/bin/lightdm-session &amp;&amp;
207
208chmod a+x /usr/bin/lightdm-session &amp;&amp;
209rm -rf /etc/init &amp;&amp;
210install -v -dm755 -o lightdm -g lightdm /var/lib/lightdm &amp;&amp;
211install -v -dm755 -o lightdm -g lightdm /var/lib/lightdm-data &amp;&amp;
212install -v -dm755 -o lightdm -g lightdm /var/cache/lightdm &amp;&amp;
213install -v -dm770 -o lightdm -g lightdm /var/log/lightdm</userinput></screen>
214
215 <para>Now build the greeter:</para>
216
217<screen><userinput>tar -xf ../lightdm-gtk-greeter-2.0.3.tar.gz &amp;&amp;
218cd lightdm-gtk-greeter-&lightdm-gtk-greeter-version; &amp;&amp;
219
220OUR_CFLAGS="-Wno-declaration-after-statement \
221 -Wno-error=deprecated-declarations" &amp;&amp;
222
223CFLAGS="$CFLAGS $OUR_CFLAGS" \
224HAVE_EXO_CSOURCE=yes \
225./configure \
226 --prefix=/usr \
227 --libexecdir=/usr/lib/lightdm \
228 --sbindir=/usr/bin \
229 --sysconfdir=/etc \
230 --with-libxklavier \
231 --enable-kill-on-sigterm \
232 --disable-libido \
233 --disable-libindicator \
234 --disable-static \
235 --docdir=/usr/share/doc/lightdm-gtk-greeter-&lightdm-gtk-greeter-version; &amp;&amp;
236
237make</userinput></screen>
238
239 <para>
240 Now, as the <systemitem class="username">root</systemitem> user:
241 </para>
242
243<screen role="root"><userinput>make install</userinput></screen>
244
245 </sect2>
246
247 <sect2 role="commands">
248 <title>Command Explanations</title>
249
250 <para>
251 <parameter>ITSTOOL=/bin/true</parameter>: although
252 <xref linkend="itstool"/> is not needed in a normal build,
253 <command>configure</command> throws an error if it is not found on the
254 system. This parameter prevents the error.
255 </para>
256
257 <para>
258 <parameter>CFLAGS=...</parameter>: those two switches ensures some
259 warnings are not treated as errors.
260 </para>
261
262 <para>
263 <parameter>HAVE_EXO_CSOURCE=yes</parameter>: although
264 <command>exo-csource</command> is not needed in a normal build,
265 <command>configure</command> throws an error if it is not found on the
266 system. This parameter prevents the error.
267 </para>
268
269 </sect2>
270
271 <sect2 role="configuration">
272 <title>Configuring lightdm</title>
273
274 <sect3 id="lightdm-config">
275 <title>Config Files</title>
276
277 <para>
278 /etc/lightdm/{lightdm,users,keys}.conf
279 </para>
280
281 <indexterm zone="lightdm lightdm-config">
282 <primary sortas="e-etc-lightdm-lightdm.conf">/etc/lightdm/lightdm.conf</primary>
283 </indexterm>
284
285 <indexterm zone="lightdm lightdm-config">
286 <primary sortas="e-users.conf">/etc/lightdm/users.conf</primary>
287 </indexterm>
288
289 <indexterm zone="lightdm lightdm-config">
290 <primary sortas="e-keys.conf">/etc/lightdm/keys.conf</primary>
291 </indexterm>
292
293 <indexterm zone="lightdm lightdm-config">
294 <primary sortas="e-lightdm-gtk-greeter.conf">
295 /etc/lightdm/lightdm-gtk-greeter.conf</primary>
296 </indexterm>
297
298 </sect3>
299
300 <sect3 id="lightdm-bootscript">
301 <title><phrase revision="sysv">Boot Script</phrase>
302 <phrase revision="systemd">Systemd Unit</phrase></title>
303
304 <para revision="sysv">
305 Install the <filename revision="sysv">/etc/rc.d/init.d/lightdm</filename>
306 init script from the <xref linkend="bootscripts"/>
307 </para>
308
309<screen role="root" revision="sysv"><userinput>make install-lightdm</userinput></screen>
310 <indexterm zone="lightdm lightdm-bootscript">
311 <primary sortas="f-lightdm">lightdm</primary>
312 </indexterm>
313
314 <para revision="systemd">
315 Install and enable the systemd unit. From the
316 <xref linkend="systemd-units"/> package:
317 </para>
318
319<screen role="root" revision="systemd"><userinput>make install-lightdm &amp;&amp;
320systemctl enable lightdm</userinput></screen>
321
322 </sect3>
323
324 <sect3 id="lightdm-init" revision="sysv">
325 <title>Starting lightdm</title>
326
327 <para>
328 If the lightdm bootscript has been installed, start lightdm by running, as the
329 <systemitem class="username">root</systemitem> user:
330 </para>
331
332<screen role="root"><userinput>/etc/rc.d/init.d/lightdm start</userinput></screen>
333
334 <para>
335 By convention, X should be executed at runlevel 5, consequently, the
336 same is true for <application>lightdm</application>. However, LFS default
337 runlevel is 3. Changing to runlevel 5, from a console terminal, as
338 <systemitem class="username">root</systemitem> user, starts the
339 <command>lightdm</command> bootscript, bringing up the greeter screen:
340 </para>
341
342<screen role="root"><userinput>init 5</userinput></screen>
343
344 <para>
345 In order to permanently set the default to 5, starting the
346 <command>lightdm</command> greeter screen automatically, modify
347 <filename>/etc/inittab</filename>. As the <systemitem
348 class="username">root</systemitem> user:
349 </para>
350
351<screen role="root"><userinput>cp -v /etc/inittab{,-orig} &amp;&amp;
352sed -i '/initdefault/ s/3/5/' /etc/inittab</userinput></screen>
353
354 </sect3>
355
356 <sect3 id="lightdm-sessions">
357 <title>Available Sessions</title>
358
359 <para>
360 The greeter offers a list of available sessions,
361 depending on the Window Managers and Desktop Environments installed. The
362 list includes sessions which have a corresponding
363 <filename>.desktop</filename> file installed under
364 <filename class="directory">/usr/share/xsessions</filename>. Most of the
365 Window Managers and Desktop Environments automatically provide those
366 files, but if necessary, you may include a custom one.
367 </para>
368
369 </sect3>
370
371 </sect2>
372
373 <sect2 role="content">
374 <title>Contents</title>
375
376 <segmentedlist>
377 <segtitle>Installed Programs</segtitle>
378 <segtitle>Installed Libraries</segtitle>
379 <segtitle>Installed Directories</segtitle>
380
381 <seglistitem>
382 <seg>
383 dm-tool,
384 lightdm, and
385 lightdm-gtk-greeter
386 </seg>
387 <seg>
388 liblightdm-gobject-1.so
389 </seg>
390 <seg>
391 /etc/lightdm,
392 /etc/apparmor.d,
393 /usr/lib/lightdm,
394 /usr/include/lightdm-gobject-1,
395 /usr/share/help/C/lightdm
396 /usr/share/gtk-doc/html/lightdm-gobject-1,
397 /usr/share/doc/lightdm-gtk-greeter-&lightdm-gtk-greeter-version;,
398 /var/lib/lightdm,
399 /var/lib/lightdm-data,
400 /var/cache/lightdm, and
401 /var/log/lightdm
402 </seg>
403 </seglistitem>
404 </segmentedlist>
405
406 <variablelist>
407 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
408 <?dbfo list-presentation="list"?>
409 <?dbhtml list-presentation="table"?>
410
411 <varlistentry id="lightdm-prog">
412 <term><command>lightdm</command></term>
413 <listitem>
414 <para>
415 is a display and login manager.
416 </para>
417 <indexterm zone="lightdm lightdm-prog">
418 <primary sortas="b-lightdm">lightdm</primary>
419 </indexterm>
420 </listitem>
421 </varlistentry>
422
423 <varlistentry id="lightdm-gtk-greeter">
424 <term><command>lightdm-gtk-greeter</command></term>
425 <listitem>
426 <para>
427 is an auxiliary process that displays the greeter,
428 a graphical user interface that performs user
429 authentication and initiates the selected window manager
430 or display environment.
431 </para>
432 <indexterm zone="lightdm lightdm-gtk-greeter">
433 <primary sortas="b-lightdm-gtk-greeter">lightdm-gtk-greeter</primary>
434 </indexterm>
435 </listitem>
436 </varlistentry>
437
438 </variablelist>
439
440 </sect2>
441
442</sect1>
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