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1 | <?xml version='1.0'?> <!--*-nxml-*--> |
2 | <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" | |
12b42c76 | 3 | "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> |
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4 | |
5 | <!-- | |
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6 | SPDX-License-Identifier: LGPL-2.1+ |
7 | ||
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8 | This file is part of systemd. |
9 | ||
10 | Copyright 2010 Lennart Poettering | |
11 | ||
12 | systemd is free software; you can redistribute it and/or modify it | |
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13 | under the terms of the GNU Lesser General Public License as published by |
14 | the Free Software Foundation; either version 2.1 of the License, or | |
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15 | (at your option) any later version. |
16 | ||
17 | systemd is distributed in the hope that it will be useful, but | |
18 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 20 | Lesser General Public License for more details. |
a61933ad | 21 | |
5430f7f2 | 22 | You should have received a copy of the GNU Lesser General Public License |
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23 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
24 | --> | |
25 | ||
21ac6ff1 | 26 | <refentry id="loginctl" conditional='ENABLE_LOGIND' |
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27 | xmlns:xi="http://www.w3.org/2001/XInclude"> |
28 | ||
29 | <refentryinfo> | |
30 | <title>loginctl</title> | |
31 | <productname>systemd</productname> | |
32 | ||
33 | <authorgroup> | |
34 | <author> | |
35 | <contrib>Developer</contrib> | |
36 | <firstname>Lennart</firstname> | |
37 | <surname>Poettering</surname> | |
38 | <email>lennart@poettering.net</email> | |
39 | </author> | |
40 | </authorgroup> | |
41 | </refentryinfo> | |
42 | ||
43 | <refmeta> | |
44 | <refentrytitle>loginctl</refentrytitle> | |
45 | <manvolnum>1</manvolnum> | |
46 | </refmeta> | |
47 | ||
48 | <refnamediv> | |
49 | <refname>loginctl</refname> | |
50 | <refpurpose>Control the systemd login manager</refpurpose> | |
51 | </refnamediv> | |
52 | ||
53 | <refsynopsisdiv> | |
54 | <cmdsynopsis> | |
55 | <command>loginctl</command> | |
56 | <arg choice="opt" rep="repeat">OPTIONS</arg> | |
57 | <arg choice="req">COMMAND</arg> | |
58 | <arg choice="opt" rep="repeat">NAME</arg> | |
59 | </cmdsynopsis> | |
60 | </refsynopsisdiv> | |
61 | ||
62 | <refsect1> | |
63 | <title>Description</title> | |
64 | ||
65 | <para><command>loginctl</command> may be used to introspect and | |
66 | control the state of the | |
67 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry> | |
68 | login manager | |
69 | <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para> | |
70 | </refsect1> | |
71 | ||
72 | <refsect1> | |
73 | <title>Options</title> | |
74 | ||
75 | <para>The following options are understood:</para> | |
76 | ||
77 | <variablelist> | |
78 | <varlistentry> | |
79 | <term><option>--no-ask-password</option></term> | |
80 | ||
81 | <listitem><para>Do not query the user for authentication for | |
82 | privileged operations.</para></listitem> | |
83 | </varlistentry> | |
84 | ||
85 | <varlistentry> | |
86 | <term><option>-p</option></term> | |
87 | <term><option>--property=</option></term> | |
88 | ||
89 | <listitem><para>When showing session/user/seat properties, | |
90 | limit display to certain properties as specified as argument. | |
91 | If not specified, all set properties are shown. The argument | |
92 | should be a property name, such as | |
93 | <literal>Sessions</literal>. If specified more than once, all | |
94 | properties with the specified names are | |
95 | shown.</para></listitem> | |
96 | </varlistentry> | |
97 | ||
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98 | <varlistentry> |
99 | <term><option>--value</option></term> | |
100 | ||
101 | <listitem> | |
102 | <para>When printing properties with <command>show</command>, | |
103 | only print the value, and skip the property name and | |
104 | <literal>=</literal>.</para> | |
105 | </listitem> | |
106 | </varlistentry> | |
107 | ||
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108 | <varlistentry> |
109 | <term><option>-a</option></term> | |
110 | <term><option>--all</option></term> | |
111 | ||
112 | <listitem><para>When showing session/user/seat properties, | |
113 | show all properties regardless of whether they are set or | |
114 | not.</para></listitem> | |
115 | </varlistentry> | |
116 | ||
117 | <varlistentry> | |
118 | <term><option>-l</option></term> | |
119 | <term><option>--full</option></term> | |
120 | ||
121 | <listitem><para>Do not ellipsize process tree entries.</para> | |
122 | </listitem> | |
123 | </varlistentry> | |
124 | ||
125 | <varlistentry> | |
126 | <term><option>--kill-who=</option></term> | |
127 | ||
128 | <listitem><para>When used with | |
129 | <command>kill-session</command>, choose which processes to | |
130 | kill. Must be one of <option>leader</option>, or | |
131 | <option>all</option> to select whether to kill only the leader | |
132 | process of the session or all processes of the session. If | |
133 | omitted, defaults to <option>all</option>.</para></listitem> | |
134 | </varlistentry> | |
135 | ||
136 | <varlistentry> | |
137 | <term><option>-s</option></term> | |
138 | <term><option>--signal=</option></term> | |
139 | ||
140 | <listitem><para>When used with <command>kill-session</command> | |
141 | or <command>kill-user</command>, choose which signal to send | |
142 | to selected processes. Must be one of the well known signal | |
143 | specifiers, such as <constant>SIGTERM</constant>, | |
144 | <constant>SIGINT</constant> or <constant>SIGSTOP</constant>. | |
145 | If omitted, defaults to | |
146 | <constant>SIGTERM</constant>.</para></listitem> | |
147 | </varlistentry> | |
148 | ||
149 | <varlistentry> | |
150 | <term><option>-n</option></term> | |
151 | <term><option>--lines=</option></term> | |
152 | ||
153 | <listitem><para>When used with <command>user-status</command> | |
154 | and <command>session-status</command>, controls the number of | |
155 | journal lines to show, counting from the most recent ones. | |
156 | Takes a positive integer argument. Defaults to 10.</para> | |
157 | </listitem> | |
158 | </varlistentry> | |
159 | ||
160 | <varlistentry> | |
161 | <term><option>-o</option></term> | |
162 | <term><option>--output=</option></term> | |
163 | ||
164 | <listitem><para>When used with <command>user-status</command> | |
165 | and <command>session-status</command>, controls the formatting | |
166 | of the journal entries that are shown. For the available | |
167 | choices, see | |
168 | <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>. | |
169 | Defaults to <literal>short</literal>.</para></listitem> | |
170 | </varlistentry> | |
171 | ||
172 | <xi:include href="user-system-options.xml" xpointer="host" /> | |
173 | <xi:include href="user-system-options.xml" xpointer="machine" /> | |
174 | ||
175 | <xi:include href="standard-options.xml" xpointer="no-pager" /> | |
176 | <xi:include href="standard-options.xml" xpointer="no-legend" /> | |
177 | <xi:include href="standard-options.xml" xpointer="help" /> | |
178 | <xi:include href="standard-options.xml" xpointer="version" /> | |
179 | </variablelist> | |
180 | </refsect1> | |
181 | ||
182 | <refsect1> | |
183 | <title>Commands</title> | |
184 | ||
185 | <para>The following commands are understood:</para> | |
186 | ||
187 | <refsect2><title>Session Commands</title><variablelist> | |
188 | ||
189 | <varlistentry> | |
190 | <term><command>list-sessions</command></term> | |
191 | ||
192 | <listitem><para>List current sessions.</para></listitem> | |
193 | </varlistentry> | |
194 | ||
195 | <varlistentry> | |
1eecafb8 | 196 | <term><command>session-status</command> <optional><replaceable>ID</replaceable>…</optional></term> |
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197 | |
198 | <listitem><para>Show terse runtime status information about | |
199 | one or more sessions, followed by the most recent log data | |
200 | from the journal. Takes one or more session identifiers as | |
b938cb90 | 201 | parameters. If no session identifiers are passed, the status of |
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202 | the caller's session is shown. This function is intended to |
203 | generate human-readable output. If you are looking for | |
204 | computer-parsable output, use <command>show-session</command> | |
205 | instead.</para></listitem> | |
206 | </varlistentry> | |
207 | ||
208 | <varlistentry> | |
1eecafb8 | 209 | <term><command>show-session</command> <optional><replaceable>ID</replaceable>…</optional></term> |
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210 | |
211 | <listitem><para>Show properties of one or more sessions or the | |
212 | manager itself. If no argument is specified, properties of the | |
213 | manager will be shown. If a session ID is specified, | |
214 | properties of the session are shown. By default, empty | |
215 | properties are suppressed. Use <option>--all</option> to show | |
216 | those too. To select specific properties to show, use | |
217 | <option>--property=</option>. This command is intended to be | |
218 | used whenever computer-parsable output is required. Use | |
219 | <command>session-status</command> if you are looking for | |
220 | formatted human-readable output.</para></listitem> | |
221 | </varlistentry> | |
222 | ||
223 | <varlistentry> | |
224 | <term><command>activate</command> <optional><replaceable>ID</replaceable></optional></term> | |
225 | ||
226 | <listitem><para>Activate a session. This brings a session into | |
b938cb90 | 227 | the foreground if another session is currently in the |
798d3a52 | 228 | foreground on the respective seat. Takes a session identifier |
b938cb90 | 229 | as argument. If no argument is specified, the session of the |
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230 | caller is put into foreground.</para></listitem> |
231 | </varlistentry> | |
232 | ||
233 | <varlistentry> | |
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234 | <term><command>lock-session</command> <optional><replaceable>ID</replaceable>…</optional></term> |
235 | <term><command>unlock-session</command> <optional><replaceable>ID</replaceable>…</optional></term> | |
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236 | |
237 | <listitem><para>Activates/deactivates the screen lock on one | |
238 | or more sessions, if the session supports it. Takes one or | |
239 | more session identifiers as arguments. If no argument is | |
b938cb90 | 240 | specified, the session of the caller is locked/unlocked. |
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241 | </para></listitem> |
242 | </varlistentry> | |
243 | ||
244 | <varlistentry> | |
245 | <term><command>lock-sessions</command></term> | |
246 | <term><command>unlock-sessions</command></term> | |
247 | ||
248 | <listitem><para>Activates/deactivates the screen lock on all | |
249 | current sessions supporting it. </para></listitem> | |
250 | </varlistentry> | |
251 | ||
252 | <varlistentry> | |
1eecafb8 | 253 | <term><command>terminate-session</command> <replaceable>ID</replaceable>…</term> |
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254 | |
255 | <listitem><para>Terminates a session. This kills all processes | |
256 | of the session and deallocates all resources attached to the | |
257 | session. </para></listitem> | |
258 | </varlistentry> | |
259 | ||
260 | <varlistentry> | |
1eecafb8 | 261 | <term><command>kill-session</command> <replaceable>ID</replaceable>…</term> |
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262 | |
263 | <listitem><para>Send a signal to one or more processes of the | |
264 | session. Use <option>--kill-who=</option> to select which | |
265 | process to kill. Use <option>--signal=</option> to select the | |
266 | signal to send.</para></listitem> | |
267 | </varlistentry> | |
268 | </variablelist></refsect2> | |
269 | ||
270 | <refsect2><title>User Commands</title><variablelist> | |
271 | <varlistentry> | |
272 | <term><command>list-users</command></term> | |
273 | ||
274 | <listitem><para>List currently logged in users. | |
275 | </para></listitem> | |
276 | </varlistentry> | |
277 | ||
278 | <varlistentry> | |
1eecafb8 | 279 | <term><command>user-status</command> <optional><replaceable>USER</replaceable>…</optional></term> |
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280 | |
281 | <listitem><para>Show terse runtime status information about | |
282 | one or more logged in users, followed by the most recent log | |
283 | data from the journal. Takes one or more user names or numeric | |
b938cb90 | 284 | user IDs as parameters. If no parameters are passed, the status |
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285 | is shown for the user of the session of the caller. This |
286 | function is intended to generate human-readable output. If you | |
287 | are looking for computer-parsable output, use | |
288 | <command>show-user</command> instead.</para></listitem> | |
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289 | </varlistentry> |
290 | ||
291 | <varlistentry> | |
1eecafb8 | 292 | <term><command>show-user</command> <optional><replaceable>USER</replaceable>…</optional></term> |
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293 | |
294 | <listitem><para>Show properties of one or more users or the | |
295 | manager itself. If no argument is specified, properties of the | |
296 | manager will be shown. If a user is specified, properties of | |
297 | the user are shown. By default, empty properties are | |
298 | suppressed. Use <option>--all</option> to show those too. To | |
299 | select specific properties to show, use | |
300 | <option>--property=</option>. This command is intended to be | |
301 | used whenever computer-parsable output is required. Use | |
302 | <command>user-status</command> if you are looking for | |
303 | formatted human-readable output.</para></listitem> | |
304 | </varlistentry> | |
305 | ||
306 | <varlistentry> | |
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307 | <term><command>enable-linger</command> <optional><replaceable>USER</replaceable>…</optional></term> |
308 | <term><command>disable-linger</command> <optional><replaceable>USER</replaceable>…</optional></term> | |
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309 | |
310 | <listitem><para>Enable/disable user lingering for one or more | |
311 | users. If enabled for a specific user, a user manager is | |
312 | spawned for the user at boot and kept around after logouts. | |
313 | This allows users who are not logged in to run long-running | |
314 | services. Takes one or more user names or numeric UIDs as | |
b938cb90 | 315 | argument. If no argument is specified, enables/disables |
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316 | lingering for the user of the session of the caller.</para> |
317 | ||
318 | <para>See also <varname>KillUserProcesses=</varname> setting in | |
319 | <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>. | |
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320 | </para></listitem> |
321 | </varlistentry> | |
322 | ||
323 | <varlistentry> | |
1eecafb8 | 324 | <term><command>terminate-user</command> <replaceable>USER</replaceable>…</term> |
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325 | |
326 | <listitem><para>Terminates all sessions of a user. This kills | |
327 | all processes of all sessions of the user and deallocates all | |
328 | runtime resources attached to the user.</para></listitem> | |
329 | </varlistentry> | |
330 | ||
331 | <varlistentry> | |
1eecafb8 | 332 | <term><command>kill-user</command> <replaceable>USER</replaceable>…</term> |
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333 | |
334 | <listitem><para>Send a signal to all processes of a user. Use | |
335 | <option>--signal=</option> to select the signal to send. | |
336 | </para></listitem> | |
337 | </varlistentry> | |
338 | </variablelist></refsect2> | |
339 | ||
340 | <refsect2><title>Seat Commands</title><variablelist> | |
341 | <varlistentry> | |
342 | <term><command>list-seats</command></term> | |
343 | ||
344 | <listitem><para>List currently available seats on the local | |
345 | system.</para></listitem> | |
346 | </varlistentry> | |
347 | ||
348 | <varlistentry> | |
1eecafb8 | 349 | <term><command>seat-status</command> <optional><replaceable>NAME</replaceable>…</optional></term> |
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350 | |
351 | <listitem><para>Show terse runtime status information about | |
352 | one or more seats. Takes one or more seat names as parameters. | |
353 | If no seat names are passed the status of the caller's | |
354 | session's seat is shown. This function is intended to generate | |
355 | human-readable output. If you are looking for | |
356 | computer-parsable output, use <command>show-seat</command> | |
357 | instead.</para></listitem> | |
358 | </varlistentry> | |
359 | ||
360 | <varlistentry> | |
1eecafb8 | 361 | <term><command>show-seat</command> <optional><replaceable>NAME</replaceable>…</optional></term> |
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362 | |
363 | <listitem><para>Show properties of one or more seats or the | |
364 | manager itself. If no argument is specified, properties of the | |
365 | manager will be shown. If a seat is specified, properties of | |
366 | the seat are shown. By default, empty properties are | |
367 | suppressed. Use <option>--all</option> to show those too. To | |
368 | select specific properties to show, use | |
369 | <option>--property=</option>. This command is intended to be | |
370 | used whenever computer-parsable output is required. Use | |
371 | <command>seat-status</command> if you are looking for | |
372 | formatted human-readable output.</para></listitem> | |
373 | </varlistentry> | |
374 | ||
375 | <varlistentry> | |
1eecafb8 | 376 | <term><command>attach</command> <replaceable>NAME</replaceable> <replaceable>DEVICE</replaceable>…</term> |
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377 | |
378 | <listitem><para>Persistently attach one or more devices to a | |
379 | seat. The devices should be specified via device paths in the | |
380 | <filename>/sys</filename> file system. To create a new seat, | |
381 | attach at least one graphics card to a previously unused seat | |
b938cb90 | 382 | name. Seat names may consist only of a–z, A–Z, 0–9, |
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383 | <literal>-</literal> and <literal>_</literal> and must be |
384 | prefixed with <literal>seat</literal>. To drop assignment of a | |
385 | device to a specific seat, just reassign it to a different | |
386 | seat, or use <command>flush-devices</command>. | |
387 | </para></listitem> | |
388 | </varlistentry> | |
389 | ||
390 | <varlistentry> | |
391 | <term><command>flush-devices</command></term> | |
392 | ||
393 | <listitem><para>Removes all device assignments previously | |
394 | created with <command>attach</command>. After this call, only | |
395 | automatically generated seats will remain, and all seat | |
396 | hardware is assigned to them.</para></listitem> | |
397 | </varlistentry> | |
398 | ||
399 | <varlistentry> | |
1eecafb8 | 400 | <term><command>terminate-seat</command> <replaceable>NAME</replaceable>…</term> |
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401 | |
402 | <listitem><para>Terminates all sessions on a seat. This kills | |
403 | all processes of all sessions on the seat and deallocates all | |
404 | runtime resources attached to them.</para></listitem> | |
405 | </varlistentry> | |
406 | </variablelist></refsect2> | |
407 | ||
408 | </refsect1> | |
409 | ||
410 | <refsect1> | |
411 | <title>Exit status</title> | |
412 | ||
413 | <para>On success, 0 is returned, a non-zero failure code | |
414 | otherwise.</para> | |
415 | </refsect1> | |
416 | ||
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417 | <refsect1> |
418 | <title>Examples</title> | |
419 | ||
420 | <example> | |
421 | <title>Querying user status</title> | |
422 | ||
423 | <programlisting>$ loginctl user-status | |
424 | fatima (1005) | |
425 | Since: Sat 2016-04-09 14:23:31 EDT; 54min ago | |
426 | State: active | |
427 | Sessions: 5 *3 | |
428 | Unit: user-1005.slice | |
429 | ├─user@1005.service | |
1eecafb8 | 430 | … |
65eb37f8 | 431 | ├─session-3.scope |
1eecafb8 | 432 | … |
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433 | └─session-5.scope |
434 | ├─3473 login -- fatima | |
435 | └─3515 -zsh | |
436 | ||
437 | Apr 09 14:40:30 laptop login[2325]: pam_unix(login:session): | |
438 | session opened for user fatima by LOGIN(uid=0) | |
439 | Apr 09 14:40:30 laptop login[2325]: LOGIN ON tty3 BY fatima | |
440 | </programlisting> | |
441 | ||
442 | <para>There are two sessions, 3 and 5. Session 3 is a graphical session, | |
443 | marked with a star. The tree of processing including the two corresponding | |
444 | scope units and the user manager unit are shown.</para> | |
445 | </example> | |
446 | </refsect1> | |
447 | ||
798d3a52 ZJS |
448 | <xi:include href="less-variables.xml" /> |
449 | ||
450 | <refsect1> | |
451 | <title>See Also</title> | |
452 | <para> | |
453 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
454 | <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
455 | <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, | |
456 | <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry> | |
457 | </para> | |
458 | </refsect1> | |
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459 | |
460 | </refentry> |