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2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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6 This file is part of systemd.
8 Copyright 2010 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
24 <refentry id="systemd.unit">
27 <title>systemd.unit</title>
28 <productname>systemd</productname>
32 <contrib>Developer</contrib>
33 <firstname>Lennart</firstname>
34 <surname>Poettering</surname>
35 <email>lennart@poettering.net</email>
41 <refentrytitle>systemd.unit</refentrytitle>
42 <manvolnum>5</manvolnum>
46 <refname>systemd.unit</refname>
47 <refpurpose>systemd unit configuration files</refpurpose>
51 <para><filename>systemd.service</filename>,
52 <filename>systemd.socket</filename>,
53 <filename>systemd.device</filename>,
54 <filename>systemd.mount</filename>,
55 <filename>systemd.automount</filename>,
56 <filename>systemd.swap</filename>,
57 <filename>systemd.target</filename>,
58 <filename>systemd.path</filename>,
59 <filename>systemd.timer</filename>,
60 <filename>systemd.snapshot</filename></para>
64 <title>Description</title>
66 <para>A unit configuration file encodes information
67 about a service, a socket, a device, a mount point, an
68 automount point, a swap file or partition, a start-up
69 target, a file system path or a timer controlled and
71 <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>. The
72 syntax is inspired by <ulink
73 url="http://standards.freedesktop.org/desktop-entry-spec/latest/">XDG
74 Desktop Entry Specification</ulink> <filename>.desktop</filename> files, which are in turn
75 inspired by Microsoft Windows
76 <filename>.ini</filename> files.</para>
78 <para>This man pages lists the common configuration
79 options of all the unit types. These options need to
80 be configured in the [Unit] resp. [Install]
81 section of the unit files.</para>
83 <para>In addition to the generic [Unit] and [Install]
84 sections described here, each unit should have a
85 type-specific section, e.g. [Service] for a service
86 unit. See the respective man pages for more
89 <para>Unit files may contain additional options on top
90 of those listed here. If systemd encounters an unknown
91 option it will write a warning log message but
92 continue loading the unit. If an option is prefixed
93 with <option>X-</option> it is ignored completely by
94 systemd. Applications may use this to include
95 additional information in the unit files.</para>
97 <para>Boolean arguments used in unit files can be
98 written in various formats. For positive settings the
99 strings <option>1</option>, <option>yes</option>,
100 <option>true</option> and <option>on</option> are
101 equivalent. For negative settings the strings
102 <option>0</option>, <option>no</option>,
103 <option>false</option> and <option>off</option> are
106 <para>Time span values encoded in unit files can be
107 written in various formats. A stand-alone number
108 specifies a time in seconds. If suffixed with a time
109 unit, the unit is honored. A concatenation of
110 multiple values with units is supported, in which case
111 the values are added up. Example: "50" refers to 50
112 seconds; "2min 200ms" refers to 2 minutes plus 200
113 milliseconds, i.e. 120200ms. The following time units
114 are understood: s, min, h, d, w, ms, us.</para>
116 <para>Empty lines and lines starting with # or ; are
117 ignored. This may be used for commenting. Lines ending
118 in a backslash are concatenated with the following
119 line while reading and the backslash is replaced by a
120 space character. This may be used to wrap long lines.</para>
122 <para>If a line starts with <option>.include</option>
123 followed by a file name, the specified file will be
124 read as if its contents were listed in place of the
125 <option>.include</option> directive.</para>
127 <para>Along with a unit file
128 <filename>foo.service</filename> a directory
129 <filename>foo.service.wants/</filename> may exist. All
130 units symlinked from such a directory are implicitly
131 added as dependencies of type
132 <varname>Wanted=</varname> to the unit. This is useful
133 to hook units into the start-up of other units,
134 without having to modify their unit configuration
135 files. For details about the semantics of
136 <varname>Wanted=</varname> see below. The preferred
137 way to create symlinks in the
138 <filename>.wants/</filename> directory of a service is
139 with the <command>enable</command> command of the
140 <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
141 tool which reads information from the [Install]
142 section of unit files. (See below.) A similar
143 functionality exists for <varname>Requires=</varname>
144 type dependencies as well, the directory suffix is
145 <filename>.requires/</filename> in this case.</para>
147 <para>Note that while systemd offers a flexible
148 dependency system between units it is recommended to
149 use this functionality only sparsely and instead rely
150 on techniques such as bus-based or socket-based
151 activation which makes dependencies implicit, which
152 both results in a simpler and more flexible
155 <para>Some unit names reflect paths existing in the
156 file system name space. Example: a device unit
157 <filename>dev-sda.device</filename> refers to a device
158 with the device node <filename>/dev/sda</filename> in
159 the file system namespace. If this applies a special
160 way to escape the path name is used, so that the
161 result is usable as part of a file name. Basically,
162 given a path, "/" is replaced by "-", and all
163 unprintable characters and the "-" are replaced by
164 C-style "\x20" escapes. The root directory "/" is
165 encoded as single dash, while otherwise the initial
166 and ending "/" is removed from all paths during
167 transformation. This escaping is reversible.</para>
169 <para>Optionally, units may be instantiated from a
170 template file at runtime. This allows creation of
171 multiple units from a single configuration file. If
172 systemd looks for a unit configuration file it will
173 first search for the literal unit name in the
174 filesystem. If that yields no success and the unit
175 name contains an @ character, systemd will look for a
176 unit template that shares the same name but with the
177 instance string (i.e. the part between the @ character
178 and the suffix) removed. Example: if a service
179 <filename>getty@tty3.service</filename> is requested
180 and no file by that name is found, systemd will look
181 for <filename>getty@.service</filename> and
182 instantiate a service from that configuration file if
183 it is found. To refer to the instance string from
184 within the configuration file you may use the special
185 <literal>%i</literal> specifier in many of the
186 configuration options. Other specifiers that may be
187 used are <literal>%n</literal>, <literal>%N</literal>,
188 <literal>%p</literal>, <literal>%P</literal>,
189 <literal>%I</literal> and <literal>%f</literal>, for
190 the full unit name, the unescaped unit name, the
191 prefix name, the unescaped prefix name, the unescaped
192 instance name and the unescaped filename,
193 respectively. The unescaped filename is either the
194 unescaped instance name (if set) with / prepended (if
195 necessary), or the prefix name similarly prepended
196 with /. The prefix name here refers to the string
197 before the @, i.e. "getty" in the example above, where
198 "tty3" is the instance name.</para>
200 <para>If a unit file is empty (i.e. has the file size
201 0) or is symlinked to <filename>/dev/null</filename>
202 its configuration will not be loaded and it appears
203 with a load state of <literal>masked</literal>, and
204 cannot be activated. Use this as an effective way to
205 fully disable a unit, making it impossible to start it
206 even manually.</para>
208 <para>The unit file format is covered by the
210 url="http://www.freedesktop.org/wiki/Software/systemd/InterfaceStabilityPromise">Interface
211 Stability Promise</ulink>.</para>
215 <title>Options</title>
217 <para>Unit file may include a [Unit] section, which
218 carries generic information about the unit that is not
219 dependent on the type of unit:</para>
224 <term><varname>Description=</varname></term>
225 <listitem><para>A free-form string
226 describing the unit. This is intended
227 for use in UIs to show descriptive
228 information along with the unit
229 name.</para></listitem>
233 <term><varname>Requires=</varname></term>
235 <listitem><para>Configures requirement
236 dependencies on other units. If this
237 unit gets activated, the units listed
238 here will be activated as well. If one
239 of the other units gets deactivated or
240 its activation fails, this unit will
241 be deactivated. This option may be
242 specified more than once, in which
243 case requirement dependencies for all
244 listed names are created. Note that
245 requirement dependencies do not
246 influence the order in which services
247 are started or stopped. This has to be
248 configured independently with the
249 <varname>After=</varname> or
250 <varname>Before=</varname> options. If
252 <filename>foo.service</filename>
254 <filename>bar.service</filename> as
256 <varname>Requires=</varname> and no
257 ordering is configured with
258 <varname>After=</varname> or
259 <varname>Before=</varname>, then both
260 units will be started simultaneously
261 and without any delay between them if
262 <filename>foo.service</filename> is
263 activated. Often it is a better choice
264 to use <varname>Wants=</varname>
266 <varname>Requires=</varname> in order
267 to achieve a system that is more
268 robust when dealing with failing
269 services.</para></listitem>
273 <term><varname>RequiresOverridable=</varname></term>
275 <listitem><para>Similar to
276 <varname>Requires=</varname>.
277 Dependencies listed in
278 <varname>RequiresOverridable=</varname>
279 which cannot be fulfilled or fail to
280 start are ignored if the startup was
281 explicitly requested by the user. If
282 the start-up was pulled in indirectly
283 by some dependency or automatic
284 start-up of units that is not
285 requested by the user this dependency
286 must be fulfilled and otherwise the
287 transaction fails. Hence, this option
288 may be used to configure dependencies
289 that are normally honored unless the
290 user explicitly starts up the unit, in
291 which case whether they failed or not
292 is irrelevant.</para></listitem>
296 <term><varname>Requisite=</varname></term>
297 <term><varname>RequisiteOverridable=</varname></term>
299 <listitem><para>Similar to
300 <varname>Requires=</varname>
301 resp. <varname>RequiresOverridable=</varname>. However,
302 if a unit listed here is not started
303 already it will not be started and the
305 immediately.</para></listitem>
309 <term><varname>Wants=</varname></term>
311 <listitem><para>A weaker version of
312 <varname>Requires=</varname>. A unit
313 listed in this option will be started
314 if the configuring unit is. However,
315 if the listed unit fails to start up
316 or cannot be added to the transaction
317 this has no impact on the validity of
318 the transaction as a whole. This is
319 the recommended way to hook start-up
320 of one unit to the start-up of another
321 unit. Note that dependencies of this
322 type may also be configured outside of
323 the unit configuration file by
324 adding a symlink to a
325 <filename>.wants/</filename> directory
326 accompanying the unit file. For
327 details see above.</para></listitem>
331 <term><varname>BindTo=</varname></term>
333 <listitem><para>Configures requirement
334 dependencies, very similar in style to
335 <varname>Requires=</varname>, however
336 in addition to this behaviour it also
337 declares that this unit is stopped
338 when any of the units listed suddenly
339 disappears. Units can suddenly,
340 unexpectedly disappear if a service
341 terminates on its own choice, a device
342 is unplugged or a mount point
343 unmounted without involvement of
344 systemd.</para></listitem>
348 <term><varname>Conflicts=</varname></term>
350 <listitem><para>Configures negative
351 requirement dependencies. If a unit
353 <varname>Conflicts=</varname> setting
354 on another unit, starting the former
355 will stop the latter and vice
356 versa. Note that this setting is
357 independent of and orthogonal to the
358 <varname>After=</varname> and
359 <varname>Before=</varname> ordering
362 <para>If a unit A that conflicts with
363 a unit B is scheduled to be started at
364 the same time as B, the transaction
365 will either fail (in case both are
366 required part of the transaction) or
367 be modified to be fixed (in case one
368 or both jobs are not a required part
369 of the transaction). In the latter
370 case the job that is not the required
371 will be removed, or in case both are
372 not required the unit that conflicts
373 will be started and the unit that is
375 stopped.</para></listitem>
379 <term><varname>Before=</varname></term>
380 <term><varname>After=</varname></term>
382 <listitem><para>Configures ordering
383 dependencies between units. If a unit
384 <filename>foo.service</filename>
386 <option>Before=bar.service</option>
387 and both units are being started,
388 <filename>bar.service</filename>'s
389 start-up is delayed until
390 <filename>foo.service</filename> is
391 started up. Note that this setting is
392 independent of and orthogonal to the
393 requirement dependencies as configured
394 by <varname>Requires=</varname>. It is
395 a common pattern to include a unit
397 <varname>After=</varname> and
398 <varname>Requires=</varname> option in
399 which case the unit listed will be
400 started before the unit that is
401 configured with these options. This
402 option may be specified more than
403 once, in which case ordering
404 dependencies for all listed names are
405 created. <varname>After=</varname> is
407 <varname>Before=</varname>, i.e. while
408 <varname>After=</varname> ensures that
409 the configured unit is started after
410 the listed unit finished starting up,
411 <varname>Before=</varname> ensures the
412 opposite, i.e. that the configured
413 unit is fully started up before the
414 listed unit is started. Note that when
415 two units with an ordering dependency
416 between them are shut down, the
417 inverse of the start-up order is
418 applied. i.e. if a unit is configured
419 with <varname>After=</varname> on
420 another unit, the former is stopped
421 before the latter if both are shut
422 down. If one unit with an ordering
423 dependency on another unit is shut
424 down while the latter is started up,
425 the shut down is ordered before the
426 start-up regardless whether the
427 ordering dependency is actually of
428 type <varname>After=</varname> or
429 <varname>Before=</varname>. If two
430 units have no ordering dependencies
431 between them they are shut down
432 resp. started up simultaneously, and
434 place. </para></listitem>
438 <term><varname>OnFailure=</varname></term>
440 <listitem><para>Lists one or more
441 units that are activated when this
443 '<literal>failed</literal>'
444 state.</para></listitem>
448 <term><varname>OnFailureIsolate=</varname></term>
450 <listitem><para>Takes a boolean
451 argument. If <option>true</option> the
453 <varname>OnFailure=</varname> will be
454 enqueued in isolation mode, i.e. all
455 units that are not its dependency will
456 be stopped. If this is set only a
457 single unit may be listed in
458 <varname>OnFailure=</varname>. Defaults
460 <option>false</option>.</para></listitem>
464 <term><varname>IgnoreOnIsolate=</varname></term>
466 <listitem><para>Takes a boolean
467 argument. If <option>true</option>
468 this unit will not be stopped when
469 isolating another unit. Defaults to
470 <option>false</option>.</para></listitem>
474 <term><varname>StopWhenUnneeded=</varname></term>
476 <listitem><para>Takes a boolean
477 argument. If <option>true</option>
478 this unit will be stopped when it is
479 no longer used. Note that in order to
480 minimize the work to be executed,
481 systemd will not stop units by default
482 unless they are conflicting with other
483 units, or the user explicitly
484 requested their shut down. If this
485 option is set, a unit will be
486 automatically cleaned up if no other
487 active unit requires it. Defaults to
488 <option>false</option>.</para></listitem>
492 <term><varname>RefuseManualStart=</varname></term>
493 <term><varname>RefuseManualStop=</varname></term>
495 <listitem><para>Takes a boolean
496 argument. If <option>true</option>
497 this unit can only be activated
498 (resp. deactivated) indirectly. In
499 this case explicit start-up
500 (resp. termination) requested by the
501 user is denied, however if it is
502 started (resp. stopped) as a
503 dependency of another unit, start-up
504 (resp. termination) will succeed. This
505 is mostly a safety feature to ensure
506 that the user does not accidentally
507 activate units that are not intended
508 to be activated explicitly, and not
509 accidentally deactivate units that are
510 not intended to be deactivated.
511 These options default to
512 <option>false</option>.</para></listitem>
516 <term><varname>AllowIsolate=</varname></term>
518 <listitem><para>Takes a boolean
519 argument. If <option>true</option>
520 this unit may be used with the
521 <command>systemctl isolate</command>
522 command. Otherwise this will be
523 refused. It probably is a good idea to
524 leave this disabled except for target
525 units that shall be used similar to
526 runlevels in SysV init systems, just
527 as a precaution to avoid unusable
528 system states. This option defaults to
529 <option>false</option>.</para></listitem>
533 <term><varname>DefaultDependencies=</varname></term>
535 <listitem><para>Takes a boolean
536 argument. If <option>true</option>
537 (the default), a few default
538 dependencies will implicitly be
539 created for the unit. The actual
540 dependencies created depend on the
541 unit type. For example, for service
542 units, these dependencies ensure that
543 the service is started only after
544 basic system initialization is
545 completed and is properly terminated on
546 system shutdown. See the respective
547 man pages for details. Generally, only
548 services involved with early boot or
549 late shutdown should set this option
550 to <option>false</option>. It is
551 highly recommended to leave this
552 option enabled for the majority of
553 common units. If set to
554 <option>false</option> this option
555 does not disable all implicit
556 dependencies, just non-essential
557 ones.</para></listitem>
561 <term><varname>JobTimeoutSec=</varname></term>
563 <listitem><para>When clients are
564 waiting for a job of this unit to
565 complete, time out after the specified
566 time. If this time limit is reached
567 the job will be cancelled, the unit
568 however will not change state or even
569 enter the '<literal>failed</literal>'
570 mode. This value defaults to 0 (job
571 timeouts disabled), except for device
572 units. NB: this timeout is independent
573 from any unit-specific timeout (for
574 example, the timeout set with
575 <varname>Timeout=</varname> in service
576 units) as the job timeout has no
577 effect on the unit itself, only on the
578 job that might be pending for it. Or
579 in other words: unit-specific timeouts
580 are useful to abort unit state
581 changes, and revert them. The job
582 timeout set with this option however
583 is useful to abort only the job
584 waiting for the unit state to
585 change.</para></listitem>
589 <term><varname>ConditionPathExists=</varname></term>
590 <term><varname>ConditionPathIsDirectory=</varname></term>
591 <term><varname>ConditionDirectoryNotEmpty=</varname></term>
592 <term><varname>ConditionKernelCommandLine=</varname></term>
593 <term><varname>ConditionVirtualization=</varname></term>
594 <term><varname>ConditionSecurity=</varname></term>
595 <term><varname>ConditionNull=</varname></term>
597 <listitem><para>Before starting a unit
598 verify that the specified condition is
600 <varname>ConditionPathExists=</varname>
601 a file existance condition can be
602 checked before a unit is started. If
603 the specified absolute path name does
604 not exist startup of a unit will not
605 actually happen, however the unit is
606 still useful for ordering purposes in
607 this case. The condition is checked at
608 the time the queued start job is to be
609 executed. If the absolute path name
611 <varname>ConditionPathExists=</varname>
612 is prefixed with an exclamation mark
613 (!), the test is negated, and the unit
614 only started if the path does not
615 exist. <varname>ConditionPathIsDirectory=</varname>
617 <varname>ConditionPathExists=</varname>
618 but verifies whether a certain path
619 exists and is a directory.
620 <varname>ConditionDirectoryNotEmpty=</varname>
622 <varname>ConditionPathExists=</varname>
623 but verifies whether a certain path
624 exists and is a non-empty
626 <varname>ConditionKernelCommandLine=</varname>
627 may be used to check whether a
628 specific kernel command line option is
629 set (or if prefixed with the
630 exclamation mark unset). The argument
631 must either be a single word, or an
632 assignment (i.e. two words, separated
633 by the equality sign). In the former
634 case the kernel command line is
635 searched for the word appearing as is,
636 or as left hand side of an
637 assignment. In the latter case the
638 exact assignment is looked for with
639 right and left hand side
640 matching. <varname>ConditionVirtualization=</varname>
641 may be used to check whether the
642 system is executed in a virtualized
643 environment and optionally test
644 whether it is a specific
645 implementation. Takes either boolean
646 value to check if being executed in
647 any virtual environment or one of the
648 <varname>qemu</varname>,
649 <varname>kvm</varname>,
650 <varname>vmware</varname>,
651 <varname>microsoft</varname>,
652 <varname>oracle</varname>,
653 <varname>xen</varname>,
654 <varname>pidns</varname>,
655 <varname>openvz</varname> to test
656 against a specific implementation. The
657 test may be negated by prepending an
659 <varname>ConditionSecurity=</varname>
660 may be used to check whether the given security
661 module is enabled on the system.
662 Currently the only recognized value is
663 <varname>selinux</varname>.
664 The test may be negated by prepending an
665 exclamation mark. Finally,
666 <varname>ConditionNull=</varname> may
667 be used to add a constant condition
668 check value to the unit. It takes a
669 boolean argument. If set to
670 <varname>false</varname> the condition
671 will always fail, otherwise
672 succeed. If multiple conditions are
673 specified the unit will be executed if
674 all of them apply (i.e. a logical AND
675 is applied). Condition checks can be
676 prefixed with a pipe symbol (|) in
677 which case a condition becomes a
678 triggering condition. If at least one
679 triggering condition is defined for a
680 unit then the unit will be executed if
681 at least one of the triggering
682 conditions apply and all of the
683 non-triggering conditions. If you
684 prefix an argument with the pipe
685 symbol and an exclamation mark the
686 pipe symbol must be passed first, the
687 exclamation second.</para></listitem>
691 <term><varname>Names=</varname></term>
693 <listitem><para>Additional names for
694 this unit. The names listed here must
695 have the same suffix (i.e. type) as
696 the unit file name. This option may be
697 specified more than once, in which
698 case all listed names are used. Note
699 that this option is different from the
700 <varname>Alias=</varname> option from
701 the [Install] section mentioned
702 below. See below for details. Note
703 that in almost all cases this option
704 is not what you want. A symlink alias
705 in the file system is generally
706 preferable since it can be used as
707 lookup key. If a unit with a symlinked
708 alias name is not loaded and needs to
709 be it is easily found via the
710 symlink. However, if a unit with an
711 alias name configured with this
712 setting is not loaded it will not be
713 discovered. This settings' only use is
714 in conjunction with service
720 <para>Unit file may include a [Install] section, which
721 carries installation information for the unit. This
722 section is not interpreted by
723 <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
724 during runtime. It is used exclusively by the
725 <command>enable</command> and
726 <command>disable</command> commands of the
727 <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
728 tool during installation of a unit:</para>
732 <term><varname>Alias=</varname></term>
734 <listitem><para>Additional names this
735 unit shall be installed under. The
736 names listed here must have the same
737 suffix (i.e. type) as the unit file
738 name. This option may be specified
739 more than once, in which case all
740 listed names are used. At installation
742 <command>systemctl enable</command>
743 will create symlinks from these names
744 to the unit file name. Note that this
745 is different from the
746 <varname>Names=</varname> option from
747 the [Unit] section mentioned above:
749 <varname>Names=</varname> apply
750 unconditionally if the unit is
751 loaded. The names from
752 <varname>Alias=</varname> apply only
753 if the unit has actually been
755 <command>systemctl enable</command>
756 command. Also, if systemd searches for a
757 unit, it will discover symlinked alias
758 names as configured with
759 <varname>Alias=</varname>, but not
760 names configured with
761 <varname>Names=</varname> only. It is
762 a common pattern to list a name in
763 both options. In this case, a unit
764 will be active under all names if
765 installed, but also if not installed
766 but requested explicitly under its
767 main name.</para></listitem>
771 <term><varname>WantedBy=</varname></term>
773 <listitem><para>Installs a symlink in
774 the <filename>.wants/</filename>
775 subdirectory for a unit. This has the
776 effect that when the listed unit name
777 is activated the unit listing it is
779 too. <command>WantedBy=foo.service</command>
781 <filename>bar.service</filename> is
783 <command>Alias=foo.service.wants/bar.service</command>
784 in the same file.</para></listitem>
788 <term><varname>Also=</varname></term>
790 <listitem><para>Additional units to
791 install when this unit is
792 installed. If the user requests
793 installation of a unit with this
795 <command>systemctl enable</command>
796 will automatically install units
797 listed in this option as
798 well.</para></listitem>
805 <title>See Also</title>
807 <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
808 <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
809 <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
810 <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
811 <citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
812 <citerefentry><refentrytitle>systemd.device</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
813 <citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
814 <citerefentry><refentrytitle>systemd.automount</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
815 <citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
816 <citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
817 <citerefentry><refentrytitle>systemd.path</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
818 <citerefentry><refentrytitle>systemd.timer</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
819 <citerefentry><refentrytitle>systemd.snapshot</refentrytitle><manvolnum>5</manvolnum></citerefentry>
~ianmdlvl / elogind.git / blob