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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 | |
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11 | --> |
12 | ||
21ac6ff1 | 13 | <refentry id="loginctl" conditional='ENABLE_LOGIND' |
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14 | xmlns:xi="http://www.w3.org/2001/XInclude"> |
15 | ||
16 | <refentryinfo> | |
17 | <title>loginctl</title> | |
18 | <productname>systemd</productname> | |
19 | ||
20 | <authorgroup> | |
21 | <author> | |
22 | <contrib>Developer</contrib> | |
23 | <firstname>Lennart</firstname> | |
24 | <surname>Poettering</surname> | |
25 | <email>lennart@poettering.net</email> | |
26 | </author> | |
27 | </authorgroup> | |
28 | </refentryinfo> | |
29 | ||
30 | <refmeta> | |
31 | <refentrytitle>loginctl</refentrytitle> | |
32 | <manvolnum>1</manvolnum> | |
33 | </refmeta> | |
34 | ||
35 | <refnamediv> | |
36 | <refname>loginctl</refname> | |
37 | <refpurpose>Control the systemd login manager</refpurpose> | |
38 | </refnamediv> | |
39 | ||
40 | <refsynopsisdiv> | |
41 | <cmdsynopsis> | |
42 | <command>loginctl</command> | |
43 | <arg choice="opt" rep="repeat">OPTIONS</arg> | |
44 | <arg choice="req">COMMAND</arg> | |
45 | <arg choice="opt" rep="repeat">NAME</arg> | |
46 | </cmdsynopsis> | |
47 | </refsynopsisdiv> | |
48 | ||
49 | <refsect1> | |
50 | <title>Description</title> | |
51 | ||
52 | <para><command>loginctl</command> may be used to introspect and | |
53 | control the state of the | |
54 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry> | |
55 | login manager | |
56 | <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para> | |
57 | </refsect1> | |
58 | ||
59 | <refsect1> | |
60 | <title>Options</title> | |
61 | ||
62 | <para>The following options are understood:</para> | |
63 | ||
64 | <variablelist> | |
65 | <varlistentry> | |
66 | <term><option>--no-ask-password</option></term> | |
67 | ||
68 | <listitem><para>Do not query the user for authentication for | |
69 | privileged operations.</para></listitem> | |
70 | </varlistentry> | |
71 | ||
72 | <varlistentry> | |
73 | <term><option>-p</option></term> | |
74 | <term><option>--property=</option></term> | |
75 | ||
76 | <listitem><para>When showing session/user/seat properties, | |
77 | limit display to certain properties as specified as argument. | |
78 | If not specified, all set properties are shown. The argument | |
79 | should be a property name, such as | |
80 | <literal>Sessions</literal>. If specified more than once, all | |
81 | properties with the specified names are | |
82 | shown.</para></listitem> | |
83 | </varlistentry> | |
84 | ||
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85 | <varlistentry> |
86 | <term><option>--value</option></term> | |
87 | ||
ad628501 YW |
88 | <listitem><para>When showing session/user/seat properties, |
89 | only print the value, and skip the property name and | |
90 | <literal>=</literal>.</para></listitem> | |
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91 | </varlistentry> |
92 | ||
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93 | <varlistentry> |
94 | <term><option>-a</option></term> | |
95 | <term><option>--all</option></term> | |
96 | ||
97 | <listitem><para>When showing session/user/seat properties, | |
98 | show all properties regardless of whether they are set or | |
99 | not.</para></listitem> | |
100 | </varlistentry> | |
101 | ||
102 | <varlistentry> | |
103 | <term><option>-l</option></term> | |
104 | <term><option>--full</option></term> | |
105 | ||
106 | <listitem><para>Do not ellipsize process tree entries.</para> | |
107 | </listitem> | |
108 | </varlistentry> | |
109 | ||
110 | <varlistentry> | |
111 | <term><option>--kill-who=</option></term> | |
112 | ||
113 | <listitem><para>When used with | |
114 | <command>kill-session</command>, choose which processes to | |
115 | kill. Must be one of <option>leader</option>, or | |
116 | <option>all</option> to select whether to kill only the leader | |
117 | process of the session or all processes of the session. If | |
118 | omitted, defaults to <option>all</option>.</para></listitem> | |
119 | </varlistentry> | |
120 | ||
121 | <varlistentry> | |
122 | <term><option>-s</option></term> | |
123 | <term><option>--signal=</option></term> | |
124 | ||
125 | <listitem><para>When used with <command>kill-session</command> | |
126 | or <command>kill-user</command>, choose which signal to send | |
127 | to selected processes. Must be one of the well known signal | |
128 | specifiers, such as <constant>SIGTERM</constant>, | |
129 | <constant>SIGINT</constant> or <constant>SIGSTOP</constant>. | |
130 | If omitted, defaults to | |
131 | <constant>SIGTERM</constant>.</para></listitem> | |
132 | </varlistentry> | |
133 | ||
134 | <varlistentry> | |
135 | <term><option>-n</option></term> | |
136 | <term><option>--lines=</option></term> | |
137 | ||
138 | <listitem><para>When used with <command>user-status</command> | |
139 | and <command>session-status</command>, controls the number of | |
140 | journal lines to show, counting from the most recent ones. | |
141 | Takes a positive integer argument. Defaults to 10.</para> | |
142 | </listitem> | |
143 | </varlistentry> | |
144 | ||
145 | <varlistentry> | |
146 | <term><option>-o</option></term> | |
147 | <term><option>--output=</option></term> | |
148 | ||
149 | <listitem><para>When used with <command>user-status</command> | |
150 | and <command>session-status</command>, controls the formatting | |
151 | of the journal entries that are shown. For the available | |
152 | choices, see | |
153 | <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>. | |
154 | Defaults to <literal>short</literal>.</para></listitem> | |
155 | </varlistentry> | |
156 | ||
157 | <xi:include href="user-system-options.xml" xpointer="host" /> | |
158 | <xi:include href="user-system-options.xml" xpointer="machine" /> | |
159 | ||
160 | <xi:include href="standard-options.xml" xpointer="no-pager" /> | |
161 | <xi:include href="standard-options.xml" xpointer="no-legend" /> | |
162 | <xi:include href="standard-options.xml" xpointer="help" /> | |
163 | <xi:include href="standard-options.xml" xpointer="version" /> | |
164 | </variablelist> | |
165 | </refsect1> | |
166 | ||
167 | <refsect1> | |
168 | <title>Commands</title> | |
169 | ||
170 | <para>The following commands are understood:</para> | |
171 | ||
172 | <refsect2><title>Session Commands</title><variablelist> | |
173 | ||
174 | <varlistentry> | |
175 | <term><command>list-sessions</command></term> | |
176 | ||
177 | <listitem><para>List current sessions.</para></listitem> | |
178 | </varlistentry> | |
179 | ||
180 | <varlistentry> | |
1eecafb8 | 181 | <term><command>session-status</command> <optional><replaceable>ID</replaceable>…</optional></term> |
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182 | |
183 | <listitem><para>Show terse runtime status information about | |
184 | one or more sessions, followed by the most recent log data | |
185 | from the journal. Takes one or more session identifiers as | |
b938cb90 | 186 | parameters. If no session identifiers are passed, the status of |
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187 | the caller's session is shown. This function is intended to |
188 | generate human-readable output. If you are looking for | |
189 | computer-parsable output, use <command>show-session</command> | |
190 | instead.</para></listitem> | |
191 | </varlistentry> | |
192 | ||
193 | <varlistentry> | |
1eecafb8 | 194 | <term><command>show-session</command> <optional><replaceable>ID</replaceable>…</optional></term> |
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195 | |
196 | <listitem><para>Show properties of one or more sessions or the | |
197 | manager itself. If no argument is specified, properties of the | |
198 | manager will be shown. If a session ID is specified, | |
199 | properties of the session are shown. By default, empty | |
200 | properties are suppressed. Use <option>--all</option> to show | |
201 | those too. To select specific properties to show, use | |
202 | <option>--property=</option>. This command is intended to be | |
203 | used whenever computer-parsable output is required. Use | |
204 | <command>session-status</command> if you are looking for | |
205 | formatted human-readable output.</para></listitem> | |
206 | </varlistentry> | |
207 | ||
208 | <varlistentry> | |
209 | <term><command>activate</command> <optional><replaceable>ID</replaceable></optional></term> | |
210 | ||
211 | <listitem><para>Activate a session. This brings a session into | |
b938cb90 | 212 | the foreground if another session is currently in the |
798d3a52 | 213 | foreground on the respective seat. Takes a session identifier |
b938cb90 | 214 | as argument. If no argument is specified, the session of the |
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215 | caller is put into foreground.</para></listitem> |
216 | </varlistentry> | |
217 | ||
218 | <varlistentry> | |
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219 | <term><command>lock-session</command> <optional><replaceable>ID</replaceable>…</optional></term> |
220 | <term><command>unlock-session</command> <optional><replaceable>ID</replaceable>…</optional></term> | |
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221 | |
222 | <listitem><para>Activates/deactivates the screen lock on one | |
223 | or more sessions, if the session supports it. Takes one or | |
224 | more session identifiers as arguments. If no argument is | |
b938cb90 | 225 | specified, the session of the caller is locked/unlocked. |
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226 | </para></listitem> |
227 | </varlistentry> | |
228 | ||
229 | <varlistentry> | |
230 | <term><command>lock-sessions</command></term> | |
231 | <term><command>unlock-sessions</command></term> | |
232 | ||
233 | <listitem><para>Activates/deactivates the screen lock on all | |
234 | current sessions supporting it. </para></listitem> | |
235 | </varlistentry> | |
236 | ||
237 | <varlistentry> | |
1eecafb8 | 238 | <term><command>terminate-session</command> <replaceable>ID</replaceable>…</term> |
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239 | |
240 | <listitem><para>Terminates a session. This kills all processes | |
241 | of the session and deallocates all resources attached to the | |
242 | session. </para></listitem> | |
243 | </varlistentry> | |
244 | ||
245 | <varlistentry> | |
1eecafb8 | 246 | <term><command>kill-session</command> <replaceable>ID</replaceable>…</term> |
798d3a52 ZJS |
247 | |
248 | <listitem><para>Send a signal to one or more processes of the | |
249 | session. Use <option>--kill-who=</option> to select which | |
250 | process to kill. Use <option>--signal=</option> to select the | |
251 | signal to send.</para></listitem> | |
252 | </varlistentry> | |
253 | </variablelist></refsect2> | |
254 | ||
255 | <refsect2><title>User Commands</title><variablelist> | |
256 | <varlistentry> | |
257 | <term><command>list-users</command></term> | |
258 | ||
259 | <listitem><para>List currently logged in users. | |
260 | </para></listitem> | |
261 | </varlistentry> | |
262 | ||
263 | <varlistentry> | |
1eecafb8 | 264 | <term><command>user-status</command> <optional><replaceable>USER</replaceable>…</optional></term> |
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265 | |
266 | <listitem><para>Show terse runtime status information about | |
267 | one or more logged in users, followed by the most recent log | |
268 | data from the journal. Takes one or more user names or numeric | |
b938cb90 | 269 | user IDs as parameters. If no parameters are passed, the status |
34160d91 AJ |
270 | is shown for the user of the session of the caller. This |
271 | function is intended to generate human-readable output. If you | |
272 | are looking for computer-parsable output, use | |
273 | <command>show-user</command> instead.</para></listitem> | |
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274 | </varlistentry> |
275 | ||
276 | <varlistentry> | |
1eecafb8 | 277 | <term><command>show-user</command> <optional><replaceable>USER</replaceable>…</optional></term> |
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278 | |
279 | <listitem><para>Show properties of one or more users or the | |
280 | manager itself. If no argument is specified, properties of the | |
281 | manager will be shown. If a user is specified, properties of | |
282 | the user are shown. By default, empty properties are | |
283 | suppressed. Use <option>--all</option> to show those too. To | |
284 | select specific properties to show, use | |
285 | <option>--property=</option>. This command is intended to be | |
286 | used whenever computer-parsable output is required. Use | |
287 | <command>user-status</command> if you are looking for | |
288 | formatted human-readable output.</para></listitem> | |
289 | </varlistentry> | |
290 | ||
291 | <varlistentry> | |
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292 | <term><command>enable-linger</command> <optional><replaceable>USER</replaceable>…</optional></term> |
293 | <term><command>disable-linger</command> <optional><replaceable>USER</replaceable>…</optional></term> | |
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294 | |
295 | <listitem><para>Enable/disable user lingering for one or more | |
296 | users. If enabled for a specific user, a user manager is | |
297 | spawned for the user at boot and kept around after logouts. | |
298 | This allows users who are not logged in to run long-running | |
299 | services. Takes one or more user names or numeric UIDs as | |
b938cb90 | 300 | argument. If no argument is specified, enables/disables |
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301 | lingering for the user of the session of the caller.</para> |
302 | ||
303 | <para>See also <varname>KillUserProcesses=</varname> setting in | |
304 | <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>. | |
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305 | </para></listitem> |
306 | </varlistentry> | |
307 | ||
308 | <varlistentry> | |
1eecafb8 | 309 | <term><command>terminate-user</command> <replaceable>USER</replaceable>…</term> |
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310 | |
311 | <listitem><para>Terminates all sessions of a user. This kills | |
312 | all processes of all sessions of the user and deallocates all | |
313 | runtime resources attached to the user.</para></listitem> | |
314 | </varlistentry> | |
315 | ||
316 | <varlistentry> | |
1eecafb8 | 317 | <term><command>kill-user</command> <replaceable>USER</replaceable>…</term> |
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318 | |
319 | <listitem><para>Send a signal to all processes of a user. Use | |
320 | <option>--signal=</option> to select the signal to send. | |
321 | </para></listitem> | |
322 | </varlistentry> | |
323 | </variablelist></refsect2> | |
324 | ||
325 | <refsect2><title>Seat Commands</title><variablelist> | |
326 | <varlistentry> | |
327 | <term><command>list-seats</command></term> | |
328 | ||
329 | <listitem><para>List currently available seats on the local | |
330 | system.</para></listitem> | |
331 | </varlistentry> | |
332 | ||
333 | <varlistentry> | |
1eecafb8 | 334 | <term><command>seat-status</command> <optional><replaceable>NAME</replaceable>…</optional></term> |
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335 | |
336 | <listitem><para>Show terse runtime status information about | |
337 | one or more seats. Takes one or more seat names as parameters. | |
338 | If no seat names are passed the status of the caller's | |
339 | session's seat is shown. This function is intended to generate | |
340 | human-readable output. If you are looking for | |
341 | computer-parsable output, use <command>show-seat</command> | |
342 | instead.</para></listitem> | |
343 | </varlistentry> | |
344 | ||
345 | <varlistentry> | |
1eecafb8 | 346 | <term><command>show-seat</command> <optional><replaceable>NAME</replaceable>…</optional></term> |
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347 | |
348 | <listitem><para>Show properties of one or more seats or the | |
349 | manager itself. If no argument is specified, properties of the | |
350 | manager will be shown. If a seat is specified, properties of | |
351 | the seat are shown. By default, empty properties are | |
352 | suppressed. Use <option>--all</option> to show those too. To | |
353 | select specific properties to show, use | |
354 | <option>--property=</option>. This command is intended to be | |
355 | used whenever computer-parsable output is required. Use | |
356 | <command>seat-status</command> if you are looking for | |
357 | formatted human-readable output.</para></listitem> | |
358 | </varlistentry> | |
359 | ||
360 | <varlistentry> | |
1eecafb8 | 361 | <term><command>attach</command> <replaceable>NAME</replaceable> <replaceable>DEVICE</replaceable>…</term> |
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362 | |
363 | <listitem><para>Persistently attach one or more devices to a | |
364 | seat. The devices should be specified via device paths in the | |
365 | <filename>/sys</filename> file system. To create a new seat, | |
366 | attach at least one graphics card to a previously unused seat | |
b938cb90 | 367 | name. Seat names may consist only of a–z, A–Z, 0–9, |
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368 | <literal>-</literal> and <literal>_</literal> and must be |
369 | prefixed with <literal>seat</literal>. To drop assignment of a | |
370 | device to a specific seat, just reassign it to a different | |
371 | seat, or use <command>flush-devices</command>. | |
372 | </para></listitem> | |
373 | </varlistentry> | |
374 | ||
375 | <varlistentry> | |
376 | <term><command>flush-devices</command></term> | |
377 | ||
378 | <listitem><para>Removes all device assignments previously | |
379 | created with <command>attach</command>. After this call, only | |
380 | automatically generated seats will remain, and all seat | |
381 | hardware is assigned to them.</para></listitem> | |
382 | </varlistentry> | |
383 | ||
384 | <varlistentry> | |
1eecafb8 | 385 | <term><command>terminate-seat</command> <replaceable>NAME</replaceable>…</term> |
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386 | |
387 | <listitem><para>Terminates all sessions on a seat. This kills | |
388 | all processes of all sessions on the seat and deallocates all | |
389 | runtime resources attached to them.</para></listitem> | |
390 | </varlistentry> | |
391 | </variablelist></refsect2> | |
392 | ||
393 | </refsect1> | |
394 | ||
395 | <refsect1> | |
396 | <title>Exit status</title> | |
397 | ||
398 | <para>On success, 0 is returned, a non-zero failure code | |
399 | otherwise.</para> | |
400 | </refsect1> | |
401 | ||
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402 | <refsect1> |
403 | <title>Examples</title> | |
404 | ||
405 | <example> | |
406 | <title>Querying user status</title> | |
407 | ||
408 | <programlisting>$ loginctl user-status | |
409 | fatima (1005) | |
410 | Since: Sat 2016-04-09 14:23:31 EDT; 54min ago | |
411 | State: active | |
412 | Sessions: 5 *3 | |
413 | Unit: user-1005.slice | |
414 | ├─user@1005.service | |
1eecafb8 | 415 | … |
65eb37f8 | 416 | ├─session-3.scope |
1eecafb8 | 417 | … |
65eb37f8 ZJS |
418 | └─session-5.scope |
419 | ├─3473 login -- fatima | |
420 | └─3515 -zsh | |
421 | ||
422 | Apr 09 14:40:30 laptop login[2325]: pam_unix(login:session): | |
423 | session opened for user fatima by LOGIN(uid=0) | |
424 | Apr 09 14:40:30 laptop login[2325]: LOGIN ON tty3 BY fatima | |
425 | </programlisting> | |
426 | ||
427 | <para>There are two sessions, 3 and 5. Session 3 is a graphical session, | |
428 | marked with a star. The tree of processing including the two corresponding | |
429 | scope units and the user manager unit are shown.</para> | |
430 | </example> | |
431 | </refsect1> | |
432 | ||
798d3a52 ZJS |
433 | <xi:include href="less-variables.xml" /> |
434 | ||
435 | <refsect1> | |
436 | <title>See Also</title> | |
437 | <para> | |
438 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
439 | <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
440 | <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, | |
441 | <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry> | |
442 | </para> | |
443 | </refsect1> | |
a61933ad LP |
444 | |
445 | </refentry> |