source: x/dm/lightdm.xml@ f10c288

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Last change on this file since f10c288 was c1ecca9, checked in by Pierre Labastie <pieere@…>, 6 years ago

Fix lightdm build, but do not tag yet, since some sessions may not start if
the DE is not in /usr

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@19824 af4574ff-66df-0310-9fd7-8a98e5e911e0
  • Property mode set to 100644
File size: 13.8 KB
Line 
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 &lfs81_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;
203cp tests/src/lightdm-session /usr/bin &amp;&amp;
204rm -rf /etc/init &amp;&amp;
205install -v -dm755 -o lightdm -g lightdm /var/lib/lightdm &amp;&amp;
206install -v -dm755 -o lightdm -g lightdm /var/lib/lightdm-data &amp;&amp;
207install -v -dm755 -o lightdm -g lightdm /var/cache/lightdm &amp;&amp;
208install -v -dm770 -o lightdm -g lightdm /var/log/lightdm</userinput></screen>
209
210 <para>Now build the greeter:</para>
211
212<screen><userinput>tar -xf ../lightdm-gtk-greeter-2.0.3.tar.gz &amp;&amp;
213cd lightdm-gtk-greeter-&lightdm-gtk-greeter-version; &amp;&amp;
214
215OUR_CFLAGS="-Wno-declaration-after-statement \
216 -Wno-error=deprecated-declarations" &amp;&amp;
217
218CFLAGS="$CFLAGS $OUR_CFLAGS" \
219HAVE_EXO_CSOURCE=yes \
220./configure \
221 --prefix=/usr \
222 --libexecdir=/usr/lib/lightdm \
223 --sbindir=/usr/bin \
224 --sysconfdir=/etc \
225 --with-libxklavier \
226 --enable-kill-on-sigterm \
227 --disable-libido \
228 --disable-libindicator \
229 --disable-static \
230 --docdir=/usr/share/doc/lightdm-gtk-greeter-&lightdm-gtk-greeter-version; &amp;&amp;
231
232make</userinput></screen>
233
234 <para>
235 Now, as the <systemitem class="username">root</systemitem> user:
236 </para>
237
238<screen><userinput>make install</userinput></screen>
239
240 </sect2>
241
242 <sect2 role="commands">
243 <title>Command Explanations</title>
244
245 <para>
246 <parameter>ITSTOOL=/bin/true</parameter>: although
247 <xref linkend="itstool"/> is not needed in a normal build,
248 <command>configure</command> throws an error if it is not found on the
249 system. This parameter prevents the error.
250 </para>
251
252 <para>
253 <parameter>CFLAGS=...</parameter>: those two switches prevent some
254 warnings to be treated as errors.
255 </para>
256
257 <para>
258 <parameter>HAVE_EXO_CSOURCE=yes</parameter>: although
259 <command>exo-csource</command> is not needed in a normal build,
260 <command>configure</command> throws an error if it is not found on the
261 system. This parameter prevents the error.
262 </para>
263
264 </sect2>
265
266 <sect2 role="configuration">
267 <title>Configuring lightdm</title>
268
269 <sect3 id="lightdm-config">
270 <title>Config Files</title>
271
272 <para>
273 /etc/lightdm/{lightdm,users,keys}.conf
274 </para>
275
276 <indexterm zone="lightdm lightdm-config">
277 <primary sortas="e-etc-lightdm-lightdm.conf">/etc/lightdm/lightdm.conf</primary>
278 </indexterm>
279
280 <indexterm zone="lightdm lightdm-config">
281 <primary sortas="e-users.conf">/etc/lightdm/users.conf</primary>
282 </indexterm>
283
284 <indexterm zone="lightdm lightdm-config">
285 <primary sortas="e-keys.conf">/etc/lightdm/keys.conf</primary>
286 </indexterm>
287
288 <indexterm zone="lightdm lightdm-config">
289 <primary sortas="e-lightdm-gtk-greeter.conf">
290 /etc/lightdm/lightdm-gtk-greeter.conf</primary>
291 </indexterm>
292
293 </sect3>
294
295 <sect3 id="lightdm-bootscript">
296 <title><phrase revision="sysv">Boot Script</phrase>
297 <phrase revision="systemd">Systemd Unit</phrase></title>
298
299 <para revision="sysv">
300 Install the <filename revision="sysv">/etc/rc.d/init.d/lightdm</filename>
301 init script from the <xref linkend="bootscripts"/>
302 </para>
303
304<screen role="root" revision="sysv"><userinput>make install-lightdm</userinput></screen>
305 <indexterm zone="lightdm lightdm-bootscript">
306 <primary sortas="f-lightdm">lightdm</primary>
307 </indexterm>
308
309 <para revision="systemd">
310 Install and enable the systemd unit. From the
311 <xref linkend="systemd-units"/> package:
312 </para>
313
314<screen role="root" revision="systemd"><userinput>make install-lightdm &amp;&amp;
315systemctl enable lightdm</userinput></screen>
316
317 </sect3>
318
319 <sect3 id="lightdm-init" revision="sysv">
320 <title>Starting lightdm</title>
321
322 <para>
323 If the lightdm bootscript has been installed, start lightdm by running, as the
324 <systemitem class="username">root</systemitem> user:
325 </para>
326
327<screen role="root"><userinput>/etc/rc.d/init.d/lightdm start</userinput></screen>
328
329 <para>
330 By convention, X should be executed at runlevel 5, consequently, the
331 same is true for <application>lightdm</application>. However, LFS default
332 runlevel is 3. Changing to runlevel 5, from a console terminal, as
333 <systemitem class="username">root</systemitem> user, starts the
334 <command>lightdm</command> bootscript, bringing up the greeter screen:
335 </para>
336
337<screen role="root"><userinput>init 5</userinput></screen>
338
339 <para>
340 In order to permanently set the default to 5, starting the
341 <command>lightdm</command> greeter screen automatically, modify
342 <filename>/etc/inittab</filename>. As the <systemitem
343 class="username">root</systemitem> user:
344 </para>
345
346<screen role="root"><userinput>cp -v /etc/inittab{,-orig} &amp;&amp;
347sed -i '/initdefault/ s/3/5/' /etc/inittab</userinput></screen>
348
349 </sect3>
350
351 <sect3 id="lightdm-sessions">
352 <title>Available Sessions</title>
353
354 <para>
355 The greeter offers a list of available sessions,
356 depending on the Window Managers and Desktop Environments installed. The
357 list includes sessions which have a corresponding
358 <filename>.desktop</filename> file installed under
359 <filename class="directory">/usr/share/xsessions</filename>. Most of the
360 Window Managers and Desktop Environments automatically provide those
361 files, but if necessary, you may include a custom one.
362 </para>
363
364 </sect3>
365
366 </sect2>
367
368 <sect2 role="content">
369 <title>Contents</title>
370
371 <segmentedlist>
372 <segtitle>Installed Programs</segtitle>
373 <segtitle>Installed Libraries</segtitle>
374 <segtitle>Installed Directories</segtitle>
375
376 <seglistitem>
377 <seg>
378 dm-tool,
379 lightdm, and
380 lightdm-gtk-greeter
381 </seg>
382 <seg>
383 liblightdm-gobject-1.so
384 </seg>
385 <seg>
386 /etc/lightdm,
387 /etc/apparmor.d,
388 /usr/lib/lightdm,
389 /usr/include/lightdm-gobject-1,
390 /usr/share/help/C/lightdm
391 /usr/share/gtk-doc/html/lightdm-gobject-1,
392 /usr/share/doc/lightdm-gtk-greeter-&lightdm-gtk-greeter-version;,
393 /var/lib/lightdm,
394 /var/lib/lightdm-data,
395 /var/cache/lightdm, and
396 /var/log/lightdm
397 </seg>
398 </seglistitem>
399 </segmentedlist>
400
401 <variablelist>
402 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
403 <?dbfo list-presentation="list"?>
404 <?dbhtml list-presentation="table"?>
405
406 <varlistentry id="lightdm-prog">
407 <term><command>lightdm</command></term>
408 <listitem>
409 <para>
410 is a display and login manager.
411 </para>
412 <indexterm zone="lightdm lightdm-prog">
413 <primary sortas="b-lightdm">lightdm</primary>
414 </indexterm>
415 </listitem>
416 </varlistentry>
417
418 <varlistentry id="lightdm-gtk-greeter">
419 <term><command>lightdm-gtk-greeter</command></term>
420 <listitem>
421 <para>
422 is an auxiliary process that displays the greeter,
423 a graphical user interface that performs user
424 authentication and initiates the selected window manager
425 or display environment.
426 </para>
427 <indexterm zone="lightdm lightdm-gtk-greeter">
428 <primary sortas="b-lightdm-gtk-greeter">lightdm-gtk-greeter</primary>
429 </indexterm>
430 </listitem>
431 </varlistentry>
432
433 </variablelist>
434
435 </sect2>
436
437</sect1>
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