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663996b3 | 1 | <?xml version='1.0'?> <!--*-nxml-*--> |
bb4f798a | 2 | <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" |
e735f4d4 | 3 | "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> |
bb4f798a | 4 | <!-- SPDX-License-Identifier: LGPL-2.1+ --> |
663996b3 | 5 | |
60f067b4 | 6 | <refentry id="loginctl" conditional='ENABLE_LOGIND' |
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7 | xmlns:xi="http://www.w3.org/2001/XInclude"> |
8 | ||
9 | <refentryinfo> | |
10 | <title>loginctl</title> | |
11 | <productname>systemd</productname> | |
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12 | </refentryinfo> |
13 | ||
14 | <refmeta> | |
15 | <refentrytitle>loginctl</refentrytitle> | |
16 | <manvolnum>1</manvolnum> | |
17 | </refmeta> | |
18 | ||
19 | <refnamediv> | |
20 | <refname>loginctl</refname> | |
21 | <refpurpose>Control the systemd login manager</refpurpose> | |
22 | </refnamediv> | |
23 | ||
24 | <refsynopsisdiv> | |
25 | <cmdsynopsis> | |
26 | <command>loginctl</command> | |
27 | <arg choice="opt" rep="repeat">OPTIONS</arg> | |
28 | <arg choice="req">COMMAND</arg> | |
29 | <arg choice="opt" rep="repeat">NAME</arg> | |
30 | </cmdsynopsis> | |
31 | </refsynopsisdiv> | |
32 | ||
33 | <refsect1> | |
34 | <title>Description</title> | |
35 | ||
36 | <para><command>loginctl</command> may be used to introspect and | |
37 | control the state of the | |
38 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry> | |
39 | login manager | |
40 | <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para> | |
41 | </refsect1> | |
42 | ||
43 | <refsect1> | |
44 | <title>Options</title> | |
45 | ||
46 | <para>The following options are understood:</para> | |
47 | ||
48 | <variablelist> | |
49 | <varlistentry> | |
50 | <term><option>--no-ask-password</option></term> | |
51 | ||
52 | <listitem><para>Do not query the user for authentication for | |
53 | privileged operations.</para></listitem> | |
54 | </varlistentry> | |
55 | ||
56 | <varlistentry> | |
57 | <term><option>-p</option></term> | |
58 | <term><option>--property=</option></term> | |
59 | ||
60 | <listitem><para>When showing session/user/seat properties, | |
61 | limit display to certain properties as specified as argument. | |
62 | If not specified, all set properties are shown. The argument | |
63 | should be a property name, such as | |
64 | <literal>Sessions</literal>. If specified more than once, all | |
65 | properties with the specified names are | |
66 | shown.</para></listitem> | |
67 | </varlistentry> | |
68 | ||
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69 | <varlistentry> |
70 | <term><option>--value</option></term> | |
71 | ||
b012e921 MB |
72 | <listitem><para>When showing session/user/seat properties, |
73 | only print the value, and skip the property name and | |
74 | <literal>=</literal>.</para></listitem> | |
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75 | </varlistentry> |
76 | ||
e735f4d4 MP |
77 | <varlistentry> |
78 | <term><option>-a</option></term> | |
79 | <term><option>--all</option></term> | |
80 | ||
81 | <listitem><para>When showing session/user/seat properties, | |
82 | show all properties regardless of whether they are set or | |
83 | not.</para></listitem> | |
84 | </varlistentry> | |
85 | ||
86 | <varlistentry> | |
87 | <term><option>-l</option></term> | |
88 | <term><option>--full</option></term> | |
89 | ||
90 | <listitem><para>Do not ellipsize process tree entries.</para> | |
91 | </listitem> | |
92 | </varlistentry> | |
93 | ||
94 | <varlistentry> | |
95 | <term><option>--kill-who=</option></term> | |
96 | ||
97 | <listitem><para>When used with | |
98 | <command>kill-session</command>, choose which processes to | |
99 | kill. Must be one of <option>leader</option>, or | |
100 | <option>all</option> to select whether to kill only the leader | |
101 | process of the session or all processes of the session. If | |
102 | omitted, defaults to <option>all</option>.</para></listitem> | |
103 | </varlistentry> | |
104 | ||
105 | <varlistentry> | |
106 | <term><option>-s</option></term> | |
107 | <term><option>--signal=</option></term> | |
108 | ||
109 | <listitem><para>When used with <command>kill-session</command> | |
110 | or <command>kill-user</command>, choose which signal to send | |
111 | to selected processes. Must be one of the well known signal | |
112 | specifiers, such as <constant>SIGTERM</constant>, | |
113 | <constant>SIGINT</constant> or <constant>SIGSTOP</constant>. | |
114 | If omitted, defaults to | |
115 | <constant>SIGTERM</constant>.</para></listitem> | |
116 | </varlistentry> | |
117 | ||
118 | <varlistentry> | |
119 | <term><option>-n</option></term> | |
120 | <term><option>--lines=</option></term> | |
121 | ||
122 | <listitem><para>When used with <command>user-status</command> | |
123 | and <command>session-status</command>, controls the number of | |
124 | journal lines to show, counting from the most recent ones. | |
125 | Takes a positive integer argument. Defaults to 10.</para> | |
126 | </listitem> | |
127 | </varlistentry> | |
128 | ||
129 | <varlistentry> | |
130 | <term><option>-o</option></term> | |
131 | <term><option>--output=</option></term> | |
132 | ||
133 | <listitem><para>When used with <command>user-status</command> | |
134 | and <command>session-status</command>, controls the formatting | |
135 | of the journal entries that are shown. For the available | |
136 | choices, see | |
137 | <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>. | |
138 | Defaults to <literal>short</literal>.</para></listitem> | |
139 | </varlistentry> | |
140 | ||
141 | <xi:include href="user-system-options.xml" xpointer="host" /> | |
142 | <xi:include href="user-system-options.xml" xpointer="machine" /> | |
143 | ||
144 | <xi:include href="standard-options.xml" xpointer="no-pager" /> | |
145 | <xi:include href="standard-options.xml" xpointer="no-legend" /> | |
146 | <xi:include href="standard-options.xml" xpointer="help" /> | |
147 | <xi:include href="standard-options.xml" xpointer="version" /> | |
148 | </variablelist> | |
149 | </refsect1> | |
150 | ||
151 | <refsect1> | |
152 | <title>Commands</title> | |
153 | ||
154 | <para>The following commands are understood:</para> | |
155 | ||
156 | <refsect2><title>Session Commands</title><variablelist> | |
157 | ||
158 | <varlistentry> | |
159 | <term><command>list-sessions</command></term> | |
160 | ||
161 | <listitem><para>List current sessions.</para></listitem> | |
162 | </varlistentry> | |
163 | ||
164 | <varlistentry> | |
2897b343 | 165 | <term><command>session-status</command> <optional><replaceable>ID</replaceable>…</optional></term> |
e735f4d4 MP |
166 | |
167 | <listitem><para>Show terse runtime status information about | |
168 | one or more sessions, followed by the most recent log data | |
169 | from the journal. Takes one or more session identifiers as | |
db2df898 | 170 | parameters. If no session identifiers are passed, the status of |
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171 | the caller's session is shown. This function is intended to |
172 | generate human-readable output. If you are looking for | |
173 | computer-parsable output, use <command>show-session</command> | |
174 | instead.</para></listitem> | |
175 | </varlistentry> | |
176 | ||
177 | <varlistentry> | |
2897b343 | 178 | <term><command>show-session</command> <optional><replaceable>ID</replaceable>…</optional></term> |
e735f4d4 MP |
179 | |
180 | <listitem><para>Show properties of one or more sessions or the | |
181 | manager itself. If no argument is specified, properties of the | |
182 | manager will be shown. If a session ID is specified, | |
183 | properties of the session are shown. By default, empty | |
184 | properties are suppressed. Use <option>--all</option> to show | |
185 | those too. To select specific properties to show, use | |
186 | <option>--property=</option>. This command is intended to be | |
187 | used whenever computer-parsable output is required. Use | |
188 | <command>session-status</command> if you are looking for | |
189 | formatted human-readable output.</para></listitem> | |
190 | </varlistentry> | |
191 | ||
192 | <varlistentry> | |
193 | <term><command>activate</command> <optional><replaceable>ID</replaceable></optional></term> | |
194 | ||
195 | <listitem><para>Activate a session. This brings a session into | |
db2df898 | 196 | the foreground if another session is currently in the |
e735f4d4 | 197 | foreground on the respective seat. Takes a session identifier |
db2df898 | 198 | as argument. If no argument is specified, the session of the |
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199 | caller is put into foreground.</para></listitem> |
200 | </varlistentry> | |
201 | ||
202 | <varlistentry> | |
2897b343 MP |
203 | <term><command>lock-session</command> <optional><replaceable>ID</replaceable>…</optional></term> |
204 | <term><command>unlock-session</command> <optional><replaceable>ID</replaceable>…</optional></term> | |
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205 | |
206 | <listitem><para>Activates/deactivates the screen lock on one | |
207 | or more sessions, if the session supports it. Takes one or | |
208 | more session identifiers as arguments. If no argument is | |
db2df898 | 209 | specified, the session of the caller is locked/unlocked. |
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210 | </para></listitem> |
211 | </varlistentry> | |
212 | ||
213 | <varlistentry> | |
214 | <term><command>lock-sessions</command></term> | |
215 | <term><command>unlock-sessions</command></term> | |
216 | ||
217 | <listitem><para>Activates/deactivates the screen lock on all | |
218 | current sessions supporting it. </para></listitem> | |
219 | </varlistentry> | |
220 | ||
221 | <varlistentry> | |
2897b343 | 222 | <term><command>terminate-session</command> <replaceable>ID</replaceable>…</term> |
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223 | |
224 | <listitem><para>Terminates a session. This kills all processes | |
225 | of the session and deallocates all resources attached to the | |
226 | session. </para></listitem> | |
227 | </varlistentry> | |
228 | ||
229 | <varlistentry> | |
2897b343 | 230 | <term><command>kill-session</command> <replaceable>ID</replaceable>…</term> |
e735f4d4 MP |
231 | |
232 | <listitem><para>Send a signal to one or more processes of the | |
233 | session. Use <option>--kill-who=</option> to select which | |
234 | process to kill. Use <option>--signal=</option> to select the | |
235 | signal to send.</para></listitem> | |
236 | </varlistentry> | |
237 | </variablelist></refsect2> | |
238 | ||
239 | <refsect2><title>User Commands</title><variablelist> | |
240 | <varlistentry> | |
241 | <term><command>list-users</command></term> | |
242 | ||
243 | <listitem><para>List currently logged in users. | |
244 | </para></listitem> | |
245 | </varlistentry> | |
246 | ||
247 | <varlistentry> | |
2897b343 | 248 | <term><command>user-status</command> <optional><replaceable>USER</replaceable>…</optional></term> |
e735f4d4 MP |
249 | |
250 | <listitem><para>Show terse runtime status information about | |
251 | one or more logged in users, followed by the most recent log | |
252 | data from the journal. Takes one or more user names or numeric | |
db2df898 | 253 | user IDs as parameters. If no parameters are passed, the status |
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254 | is shown for the user of the session of the caller. This |
255 | function is intended to generate human-readable output. If you | |
256 | are looking for computer-parsable output, use | |
257 | <command>show-user</command> instead.</para></listitem> | |
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258 | </varlistentry> |
259 | ||
260 | <varlistentry> | |
2897b343 | 261 | <term><command>show-user</command> <optional><replaceable>USER</replaceable>…</optional></term> |
e735f4d4 MP |
262 | |
263 | <listitem><para>Show properties of one or more users or the | |
264 | manager itself. If no argument is specified, properties of the | |
265 | manager will be shown. If a user is specified, properties of | |
266 | the user are shown. By default, empty properties are | |
267 | suppressed. Use <option>--all</option> to show those too. To | |
268 | select specific properties to show, use | |
269 | <option>--property=</option>. This command is intended to be | |
270 | used whenever computer-parsable output is required. Use | |
271 | <command>user-status</command> if you are looking for | |
272 | formatted human-readable output.</para></listitem> | |
273 | </varlistentry> | |
274 | ||
275 | <varlistentry> | |
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276 | <term><command>enable-linger</command> <optional><replaceable>USER</replaceable>…</optional></term> |
277 | <term><command>disable-linger</command> <optional><replaceable>USER</replaceable>…</optional></term> | |
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278 | |
279 | <listitem><para>Enable/disable user lingering for one or more | |
280 | users. If enabled for a specific user, a user manager is | |
281 | spawned for the user at boot and kept around after logouts. | |
282 | This allows users who are not logged in to run long-running | |
283 | services. Takes one or more user names or numeric UIDs as | |
db2df898 | 284 | argument. If no argument is specified, enables/disables |
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285 | lingering for the user of the session of the caller.</para> |
286 | ||
287 | <para>See also <varname>KillUserProcesses=</varname> setting in | |
288 | <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>. | |
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289 | </para></listitem> |
290 | </varlistentry> | |
291 | ||
292 | <varlistentry> | |
2897b343 | 293 | <term><command>terminate-user</command> <replaceable>USER</replaceable>…</term> |
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294 | |
295 | <listitem><para>Terminates all sessions of a user. This kills | |
296 | all processes of all sessions of the user and deallocates all | |
297 | runtime resources attached to the user.</para></listitem> | |
298 | </varlistentry> | |
299 | ||
300 | <varlistentry> | |
2897b343 | 301 | <term><command>kill-user</command> <replaceable>USER</replaceable>…</term> |
e735f4d4 MP |
302 | |
303 | <listitem><para>Send a signal to all processes of a user. Use | |
304 | <option>--signal=</option> to select the signal to send. | |
305 | </para></listitem> | |
306 | </varlistentry> | |
307 | </variablelist></refsect2> | |
308 | ||
309 | <refsect2><title>Seat Commands</title><variablelist> | |
310 | <varlistentry> | |
311 | <term><command>list-seats</command></term> | |
312 | ||
313 | <listitem><para>List currently available seats on the local | |
314 | system.</para></listitem> | |
315 | </varlistentry> | |
316 | ||
317 | <varlistentry> | |
2897b343 | 318 | <term><command>seat-status</command> <optional><replaceable>NAME</replaceable>…</optional></term> |
e735f4d4 MP |
319 | |
320 | <listitem><para>Show terse runtime status information about | |
321 | one or more seats. Takes one or more seat names as parameters. | |
322 | If no seat names are passed the status of the caller's | |
323 | session's seat is shown. This function is intended to generate | |
324 | human-readable output. If you are looking for | |
325 | computer-parsable output, use <command>show-seat</command> | |
326 | instead.</para></listitem> | |
327 | </varlistentry> | |
328 | ||
329 | <varlistentry> | |
2897b343 | 330 | <term><command>show-seat</command> <optional><replaceable>NAME</replaceable>…</optional></term> |
e735f4d4 MP |
331 | |
332 | <listitem><para>Show properties of one or more seats or the | |
333 | manager itself. If no argument is specified, properties of the | |
334 | manager will be shown. If a seat is specified, properties of | |
335 | the seat are shown. By default, empty properties are | |
336 | suppressed. Use <option>--all</option> to show those too. To | |
337 | select specific properties to show, use | |
338 | <option>--property=</option>. This command is intended to be | |
339 | used whenever computer-parsable output is required. Use | |
340 | <command>seat-status</command> if you are looking for | |
341 | formatted human-readable output.</para></listitem> | |
342 | </varlistentry> | |
343 | ||
344 | <varlistentry> | |
2897b343 | 345 | <term><command>attach</command> <replaceable>NAME</replaceable> <replaceable>DEVICE</replaceable>…</term> |
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346 | |
347 | <listitem><para>Persistently attach one or more devices to a | |
348 | seat. The devices should be specified via device paths in the | |
349 | <filename>/sys</filename> file system. To create a new seat, | |
350 | attach at least one graphics card to a previously unused seat | |
db2df898 | 351 | name. Seat names may consist only of a–z, A–Z, 0–9, |
e735f4d4 MP |
352 | <literal>-</literal> and <literal>_</literal> and must be |
353 | prefixed with <literal>seat</literal>. To drop assignment of a | |
354 | device to a specific seat, just reassign it to a different | |
355 | seat, or use <command>flush-devices</command>. | |
356 | </para></listitem> | |
357 | </varlistentry> | |
358 | ||
359 | <varlistentry> | |
360 | <term><command>flush-devices</command></term> | |
361 | ||
362 | <listitem><para>Removes all device assignments previously | |
363 | created with <command>attach</command>. After this call, only | |
364 | automatically generated seats will remain, and all seat | |
365 | hardware is assigned to them.</para></listitem> | |
366 | </varlistentry> | |
367 | ||
368 | <varlistentry> | |
2897b343 | 369 | <term><command>terminate-seat</command> <replaceable>NAME</replaceable>…</term> |
e735f4d4 MP |
370 | |
371 | <listitem><para>Terminates all sessions on a seat. This kills | |
372 | all processes of all sessions on the seat and deallocates all | |
373 | runtime resources attached to them.</para></listitem> | |
374 | </varlistentry> | |
375 | </variablelist></refsect2> | |
376 | ||
377 | </refsect1> | |
378 | ||
379 | <refsect1> | |
380 | <title>Exit status</title> | |
381 | ||
382 | <para>On success, 0 is returned, a non-zero failure code | |
383 | otherwise.</para> | |
384 | </refsect1> | |
385 | ||
aa27b158 MP |
386 | <refsect1> |
387 | <title>Examples</title> | |
388 | ||
389 | <example> | |
390 | <title>Querying user status</title> | |
391 | ||
392 | <programlisting>$ loginctl user-status | |
393 | fatima (1005) | |
394 | Since: Sat 2016-04-09 14:23:31 EDT; 54min ago | |
395 | State: active | |
396 | Sessions: 5 *3 | |
397 | Unit: user-1005.slice | |
398 | ├─user@1005.service | |
2897b343 | 399 | … |
aa27b158 | 400 | ├─session-3.scope |
2897b343 | 401 | … |
aa27b158 MP |
402 | └─session-5.scope |
403 | ├─3473 login -- fatima | |
404 | └─3515 -zsh | |
405 | ||
406 | Apr 09 14:40:30 laptop login[2325]: pam_unix(login:session): | |
407 | session opened for user fatima by LOGIN(uid=0) | |
408 | Apr 09 14:40:30 laptop login[2325]: LOGIN ON tty3 BY fatima | |
409 | </programlisting> | |
410 | ||
411 | <para>There are two sessions, 3 and 5. Session 3 is a graphical session, | |
412 | marked with a star. The tree of processing including the two corresponding | |
413 | scope units and the user manager unit are shown.</para> | |
414 | </example> | |
415 | </refsect1> | |
416 | ||
e735f4d4 MP |
417 | <xi:include href="less-variables.xml" /> |
418 | ||
419 | <refsect1> | |
420 | <title>See Also</title> | |
421 | <para> | |
422 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
423 | <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
424 | <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, | |
425 | <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry> | |
426 | </para> | |
427 | </refsect1> | |
663996b3 MS |
428 | |
429 | </refentry> |