[thirdparty/systemd.git] / man / pam_systemd.xml

<?xml version='1.0'?> <!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

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  This file is part of systemd.

  Copyright 2010 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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<refentry id="pam_systemd" conditional='HAVE_PAM'>

        <refentryinfo>
                <title>pam_systemd</title>
                <productname>systemd</productname>

                <authorgroup>
                        <author>
                                <contrib>Developer</contrib>
                                <firstname>Lennart</firstname>
                                <surname>Poettering</surname>
                                <email>lennart@poettering.net</email>
                        </author>
                </authorgroup>
        </refentryinfo>

        <refmeta>
                <refentrytitle>pam_systemd</refentrytitle>
                <manvolnum>8</manvolnum>
        </refmeta>

        <refnamediv>
                <refname>pam_systemd</refname>
                <refpurpose>Register user sessions in the systemd login manager</refpurpose>
        </refnamediv>

        <refsynopsisdiv>
                <para><filename>pam_systemd.so</filename></para>
        </refsynopsisdiv>

        <refsect1>
                <title>Description</title>

                <para><command>pam_systemd</command> registers user
                sessions with the systemd login manager
                <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
                and hence the systemd control group hierarchy.</para>

                <para>On login, this module ensures the following:</para>

                <orderedlist>
                        <listitem><para>If it does not exist yet, the
                        user runtime directory
                        <filename>/run/user/$USER</filename> is
                        created and its ownership changed to the user
                        that is logging in.</para></listitem>

                        <listitem><para>The
                        <varname>$XDG_SESSION_ID</varname> environment
                        variable is initialized. If auditing is
                        available and
                        <command>pam_loginuid.so</command> was run before
                        this module (which is highly recommended), the
                        variable is initialized from the auditing
                        session id
                        (<filename>/proc/self/sessionid</filename>). Otherwise,
                        an independent session counter is
                        used.</para></listitem>

                        <listitem><para>A new systemd scope unit is
                        created for the session. If this is the first
                        concurrent session of the user, an implicit
                        slice below <filename>user.slice</filename> is
                        automatically created and the scope placed into
                        it. An instance of the system service
                        <filename>user@.service</filename>, which runs
                        the systemd user manager instance, is started.
                        </para></listitem>
                </orderedlist>

                <para>On logout, this module ensures the following:</para>

                <orderedlist>
                        <listitem><para>If enabled in
                        <citerefentry><refentrytitle>logind.conf</refentrytitle>
                        <manvolnum>5</manvolnum></citerefentry>, all
                        processes of the session are terminated. If
                        the last concurrent session of a user ends,
                        ther user's systemd instance will be
                        terminated too, and so will the user's slice
                        unit.</para></listitem>

                        <listitem><para>If the last concurrent session
                        of a user ends, the
                        <varname>$XDG_RUNTIME_DIR</varname> directory
                        and all its contents are removed,
                        too.</para></listitem>
                </orderedlist>

                <para>If the system was not booted up with systemd as
                init system, this module does nothing and immediately
                returns PAM_SUCCESS.</para>

        </refsect1>

        <refsect1>
                <title>Options</title>

                <para>The following options are understood:</para>

                <variablelist class='pam-directives'>

                        <varlistentry>
                                <term><option>class=</option></term>

                                <listitem><para>Takes a string
                                argument which sets the session class.
                                The XDG_SESSION_CLASS environmental variable
                                takes precedence. One of
                                <literal>user</literal>,
                                <literal>greeter</literal>,
                                <literal>lock-screen</literal> or
                                <literal>background</literal>. See
                                <citerefentry><refentrytitle>sd_session_get_class</refentrytitle><manvolnum>3</manvolnum></citerefentry>
                                for details about the session class.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><option>type=</option></term>

                                <listitem><para>Takes a string
                                argument which sets the session type.
                                The XDG_SESSION_TYPE environmental
                                variable takes precedence. One of
                                <literal>unspecified</literal>,
                                <literal>tty</literal>,
                                <literal>x11</literal>,
                                <literal>wayland</literal> or
                                <literal>mir</literal>. See
                                <citerefentry><refentrytitle>sd_session_get_type</refentrytitle><manvolnum>3</manvolnum></citerefentry>
                                for details about the session type.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><option>debug<optional>=</optional></option></term>

                                <listitem><para>Takes an optional
                                boolean argument. If yes or without
                                the argument, the module will log
                                debugging information as it
                                operates.</para></listitem>
                        </varlistentry>
                </variablelist>
        </refsect1>

        <refsect1>
                <title>Module Types Provided</title>

                <para>Only <option>session</option> is provided.</para>
        </refsect1>

        <refsect1>
                <title>Environment</title>

                <para>The following environment variables are set for the processes of the user's session:</para>

                <variablelist class='environment-variables'>
                        <varlistentry>
                                <term><varname>$XDG_SESSION_ID</varname></term>

                                <listitem><para>A session identifier,
                                suitable to be used in filenames. The
                                string itself should be considered
                                opaque, although often it is just the
                                audit session ID as reported by
                                <filename>/proc/self/sessionid</filename>. Each
                                ID will be assigned only once during
                                machine uptime. It may hence be used
                                to uniquely label files or other
                                resources of this
                                session.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>$XDG_RUNTIME_DIR</varname></term>

                                <listitem><para>Path to a user-private
                                user-writable directory that is bound
                                to the user login time on the
                                machine. It is automatically created
                                the first time a user logs in and
                                removed on the user's final logout. If
                                a user logs in twice at the same time,
                                both sessions will see the same
                                <varname>$XDG_RUNTIME_DIR</varname>
                                and the same contents. If a user logs
                                in once, then logs out again, and logs
                                in again, the directory contents will
                                have been lost in between, but
                                applications should not rely on this
                                behavior and must be able to deal with
                                stale files. To store session-private
                                data in this directory, the user should
                                include the value of <varname>$XDG_SESSION_ID</varname>
                                in the filename. This directory shall
                                be used for runtime file system
                                objects such as <constant>AF_UNIX</constant> sockets,
                                FIFOs, PID files and similar. It is
                                guaranteed that this directory is
                                local and offers the greatest possible
                                file system feature set the
                                operating system
                                provides.</para></listitem>
                        </varlistentry>

                </variablelist>

                <para>The following environment variables are read by
                the module and may be used by the PAM service to pass
                metadata to the module:</para>

                <variablelist class='environment-variables'>
                        <varlistentry>
                                <term><varname>$XDG_SESSION_TYPE</varname></term>

                                <listitem><para>The session type. This
                                may be used instead of
                                <option>session=</option> on the
                                module parameter line, and is usually
                                preferred.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>$XDG_SESSION_CLASS</varname></term>

                                <listitem><para>The session class. This
                                may be used instead of
                                <option>class=</option> on the
                                module parameter line, and is usually
                                preferred.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>$XDG_SESSION_DESKTOP</varname></term>

                                <listitem><para>A single, short
                                identifier string for the desktop
                                environment. This may be used to
                                indicate the session desktop used,
                                where this applies and if this
                                information is available. For example:
                                <literal>GNOME</literal>, or
                                <literal>KDE</literal>. It is
                                recommended to use the same
                                identifiers and capitalization as for
                                <varname>$XDG_CURRENT_DESKTOP</varname>,
                                as defined by the <ulink
                                url="http://standards.freedesktop.org/desktop-entry-spec/latest/">Desktop
                                Entry
                                Specification</ulink>. See
                                <citerefentry><refentrytitle>sd_session_get_desktop</refentrytitle><manvolnum>3</manvolnum></citerefentry>
                                for more details.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>$XDG_SEAT</varname></term>

                                <listitem><para>The seat name the session
                                shall be registered for, if
                                any.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>$XDG_VTNR</varname></term>

                                <listitem><para>The VT number the
                                session shall be registered for, if
                                any. (Only applies to seats with a VT
                                available, such as
                                <literal>seat0</literal>)</para></listitem>
                        </varlistentry>

                </variablelist>
        </refsect1>

        <refsect1>
                <title>Example</title>

                <programlisting>#%PAM-1.0
auth       required     pam_unix.so
auth       required     pam_nologin.so
account    required     pam_unix.so
password   required     pam_unix.so
session    required     pam_unix.so
session    required     pam_loginuid.so
session    required     pam_systemd.so</programlisting>
        </refsect1>

        <refsect1>
                <title>See Also</title>
                <para>
                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                        <citerefentry project='man-pages'><refentrytitle>pam.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                        <citerefentry project='man-pages'><refentrytitle>pam.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                        <citerefentry project='man-pages'><refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
                        <citerefentry project='man-pages'><refentrytitle>pam_loginuid</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>systemd.scope</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>systemd.slice</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                </para>
        </refsect1>

</refentry>
Commit	Line	Data
160cd5c9 LP	1	<?xml version='1.0'?> <!---nxml--->
	2	<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
	3	"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
	4
	5	<!--
	6	This file is part of systemd.
	7
	8	Copyright 2010 Lennart Poettering
	9
	10	systemd is free software; you can redistribute it and/or modify it
5430f7f2 LP	11	under the terms of the GNU Lesser General Public License as published by
5430f7f2 LP	12	the Free Software Foundation; either version 2.1 of the License, or
160cd5c9 LP	13	(at your option) any later version.
	14
	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
5430f7f2	18	Lesser General Public License for more details.
160cd5c9	19
5430f7f2	20	You should have received a copy of the GNU Lesser General Public License
160cd5c9 LP	21	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	22	-->
	23
47c49034	24	<refentry id="pam_systemd" conditional='HAVE_PAM'>
160cd5c9 LP	25
	26	<refentryinfo>
	27	<title>pam_systemd</title>
	28	<productname>systemd</productname>
	29
	30	<authorgroup>
	31	<author>
	32	<contrib>Developer</contrib>
	33	<firstname>Lennart</firstname>
	34	<surname>Poettering</surname>
	35	<email>lennart@poettering.net</email>
	36	</author>
	37	</authorgroup>
	38	</refentryinfo>
	39
	40	<refmeta>
	41	<refentrytitle>pam_systemd</refentrytitle>
	42	<manvolnum>8</manvolnum>
	43	</refmeta>
	44
	45	<refnamediv>
	46	<refname>pam_systemd</refname>
af3bccd6	47	<refpurpose>Register user sessions in the systemd login manager</refpurpose>
160cd5c9 LP	48	</refnamediv>
	49
	50	<refsynopsisdiv>
e670b166	51	<para><filename>pam_systemd.so</filename></para>
160cd5c9 LP	52	</refsynopsisdiv>
	53
	54	<refsect1>
	55	<title>Description</title>
	56
	57	<para><command>pam_systemd</command> registers user
3fde5f30	58	sessions with the systemd login manager
af3bccd6 LP	59	<citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
af3bccd6 LP	60	and hence the systemd control group hierarchy.</para>
160cd5c9 LP	61
	62	<para>On login, this module ensures the following:</para>
	63
	64	<orderedlist>
af62c704	65	<listitem><para>If it does not exist yet, the
160cd5c9	66	user runtime directory
bb29785e	67	<filename>/run/user/$USER</filename> is
160cd5c9 LP	68	created and its ownership changed to the user
	69	that is logging in.</para></listitem>
	70
c36eecdf	71	<listitem><para>The
160cd5c9 LP	72	<varname>$XDG_SESSION_ID</varname> environment
	73	variable is initialized. If auditing is
	74	available and
af951ff5	75	<command>pam_loginuid.so</command> was run before
af62c704	76	this module (which is highly recommended), the
160cd5c9 LP	77	variable is initialized from the auditing
160cd5c9 LP	78	session id
af951ff5	79	(<filename>/proc/self/sessionid</filename>). Otherwise,
160cd5c9 LP	80	an independent session counter is
	81	used.</para></listitem>
	82
3e2f69b7 LP	83	<listitem><para>A new systemd scope unit is
3e2f69b7 LP	84	created for the session. If this is the first
fbce1139	85	concurrent session of the user, an implicit
3e2f69b7	86	slice below <filename>user.slice</filename> is
af951ff5 DM	87	automatically created and the scope placed into
	88	it. An instance of the system service
	89	<filename>user@.service</filename>, which runs
	90	the systemd user manager instance, is started.
	91	</para></listitem>
160cd5c9 LP	92	</orderedlist>
	93
	94	<para>On logout, this module ensures the following:</para>
	95
	96	<orderedlist>
af951ff5 DM	97	<listitem><para>If enabled in
af951ff5 DM	98	<citerefentry><refentrytitle>logind.conf</refentrytitle>
c1405e4f LP	99	<manvolnum>5</manvolnum></citerefentry>, all
	100	processes of the session are terminated. If
	101	the last concurrent session of a user ends,
	102	ther user's systemd instance will be
	103	terminated too, and so will the user's slice
3e2f69b7 LP	104	unit.</para></listitem>
3e2f69b7 LP	105
fbce1139 JE	106	<listitem><para>If the last concurrent session
fbce1139 JE	107	of a user ends, the
160cd5c9	108	<varname>$XDG_RUNTIME_DIR</varname> directory
3e2f69b7 LP	109	and all its contents are removed,
3e2f69b7 LP	110	too.</para></listitem>
160cd5c9 LP	111	</orderedlist>
	112
	113	<para>If the system was not booted up with systemd as
af62c704	114	init system, this module does nothing and immediately
160cd5c9 LP	115	returns PAM_SUCCESS.</para>
	116
	117	</refsect1>
	118
	119	<refsect1>
	120	<title>Options</title>
	121
	122	<para>The following options are understood:</para>
	123
ccc9a4f9	124	<variablelist class='pam-directives'>
0e318cad	125
485507b8 MM	126	<varlistentry>
	127	<term><option>class=</option></term>
	128
	129	<listitem><para>Takes a string
	130	argument which sets the session class.
	131	The XDG_SESSION_CLASS environmental variable
49ebd11f LP	132	takes precedence. One of
	133	<literal>user</literal>,
	134	<literal>greeter</literal>,
	135	<literal>lock-screen</literal> or
	136	<literal>background</literal>. See
	137	<citerefentry><refentrytitle>sd_session_get_class</refentrytitle><manvolnum>3</manvolnum></citerefentry>
	138	for details about the session class.</para></listitem>
	139	</varlistentry>
	140
	141	<varlistentry>
	142	<term><option>type=</option></term>
	143
	144	<listitem><para>Takes a string
	145	argument which sets the session type.
	146	The XDG_SESSION_TYPE environmental
	147	variable takes precedence. One of
	148	<literal>unspecified</literal>,
	149	<literal>tty</literal>,
9541666b DH	150	<literal>x11</literal>,
	151	<literal>wayland</literal> or
	152	<literal>mir</literal>. See
49ebd11f LP	153	<citerefentry><refentrytitle>sd_session_get_type</refentrytitle><manvolnum>3</manvolnum></citerefentry>
49ebd11f LP	154	for details about the session type.</para></listitem>
485507b8 MM	155	</varlistentry>
485507b8 MM	156
0e318cad	157	<varlistentry>
05a049cc	158	<term><option>debug<optional>=</optional></option></term>
0e318cad	159
05a049cc ZJS	160	<listitem><para>Takes an optional
	161	boolean argument. If yes or without
	162	the argument, the module will log
c36eecdf LP	163	debugging information as it
c36eecdf LP	164	operates.</para></listitem>
0e318cad	165	</varlistentry>
160cd5c9	166	</variablelist>
160cd5c9 LP	167	</refsect1>
	168
	169	<refsect1>
	170	<title>Module Types Provided</title>
	171
	172	<para>Only <option>session</option> is provided.</para>
	173	</refsect1>
	174
	175	<refsect1>
	176	<title>Environment</title>
	177
58474090 LP	178	<para>The following environment variables are set for the processes of the user's session:</para>
58474090 LP	179
ccc9a4f9	180	<variablelist class='environment-variables'>
160cd5c9 LP	181	<varlistentry>
	182	<term><varname>$XDG_SESSION_ID</varname></term>
	183
	184	<listitem><para>A session identifier,
e9dd9f95	185	suitable to be used in filenames. The
160cd5c9 LP	186	string itself should be considered
	187	opaque, although often it is just the
	188	audit session ID as reported by
	189	<filename>/proc/self/sessionid</filename>. Each
	190	ID will be assigned only once during
	191	machine uptime. It may hence be used
	192	to uniquely label files or other
	193	resources of this
	194	session.</para></listitem>
	195	</varlistentry>
	196
	197	<varlistentry>
	198	<term><varname>$XDG_RUNTIME_DIR</varname></term>
	199
	200	<listitem><para>Path to a user-private
	201	user-writable directory that is bound
	202	to the user login time on the
	203	machine. It is automatically created
	204	the first time a user logs in and
c1405e4f LP	205	removed on the user's final logout. If
	206	a user logs in twice at the same time,
	207	both sessions will see the same
160cd5c9 LP	208	<varname>$XDG_RUNTIME_DIR</varname>
	209	and the same contents. If a user logs
	210	in once, then logs out again, and logs
	211	in again, the directory contents will
	212	have been lost in between, but
	213	applications should not rely on this
c5315881	214	behavior and must be able to deal with
160cd5c9	215	stale files. To store session-private
e9dd9f95	216	data in this directory, the user should
160cd5c9 LP	217	include the value of <varname>$XDG_SESSION_ID</varname>
	218	in the filename. This directory shall
	219	be used for runtime file system
74d00578	220	objects such as <constant>AF_UNIX</constant> sockets,
160cd5c9 LP	221	FIFOs, PID files and similar. It is
	222	guaranteed that this directory is
	223	local and offers the greatest possible
	224	file system feature set the
	225	operating system
	226	provides.</para></listitem>
	227	</varlistentry>
a4cd87e9 LP	228
	229	</variablelist>
	230
	231	<para>The following environment variables are read by
	232	the module and may be used by the PAM service to pass
66f756d4	233	metadata to the module:</para>
a4cd87e9 LP	234
	235	<variablelist class='environment-variables'>
	236	<varlistentry>
	237	<term><varname>$XDG_SESSION_TYPE</varname></term>
	238
	239	<listitem><para>The session type. This
	240	may be used instead of
	241	<option>session=</option> on the
	242	module parameter line, and is usually
	243	preferred.</para></listitem>
	244	</varlistentry>
	245
	246	<varlistentry>
	247	<term><varname>$XDG_SESSION_CLASS</varname></term>
	248
	249	<listitem><para>The session class. This
	250	may be used instead of
	251	<option>class=</option> on the
	252	module parameter line, and is usually
	253	preferred.</para></listitem>
	254	</varlistentry>
	255
	256	<varlistentry>
	257	<term><varname>$XDG_SESSION_DESKTOP</varname></term>
	258
44231166 LP	259	<listitem><para>A single, short
	260	identifier string for the desktop
	261	environment. This may be used to
	262	indicate the session desktop used,
	263	where this applies and if this
a4cd87e9	264	information is available. For example:
44231166 LP	265	<literal>GNOME</literal>, or
	266	<literal>KDE</literal>. It is
	267	recommended to use the same
	268	identifiers and capitalization as for
	269	<varname>$XDG_CURRENT_DESKTOP</varname>,
	270	as defined by the <ulink
	271	url="http://standards.freedesktop.org/desktop-entry-spec/latest/">Desktop
	272	Entry
c72d5456 DH	273	Specification</ulink>. See
	274	<citerefentry><refentrytitle>sd_session_get_desktop</refentrytitle><manvolnum>3</manvolnum></citerefentry>
	275	for more details.</para></listitem>
a4cd87e9 LP	276	</varlistentry>
	277
	278	<varlistentry>
	279	<term><varname>$XDG_SEAT</varname></term>
	280
	281	<listitem><para>The seat name the session
	282	shall be registered for, if
	283	any.</para></listitem>
	284	</varlistentry>
	285
	286	<varlistentry>
	287	<term><varname>$XDG_VTNR</varname></term>
	288
	289	<listitem><para>The VT number the
	290	session shall be registered for, if
	291	any. (Only applies to seats with a VT
	292	available, such as
	293	<literal>seat0</literal>)</para></listitem>
	294	</varlistentry>
	295
160cd5c9 LP	296	</variablelist>
	297	</refsect1>
	298
	299	<refsect1>
	300	<title>Example</title>
	301
	302	<programlisting>#%PAM-1.0
	303	auth required pam_unix.so
	304	auth required pam_nologin.so
	305	account required pam_unix.so
	306	password required pam_unix.so
	307	session required pam_unix.so
	308	session required pam_loginuid.so
3e2f69b7	309	session required pam_systemd.so</programlisting>
160cd5c9 LP	310	</refsect1>
	311
	312	<refsect1>
	313	<title>See Also</title>
	314	<para>
af3bccd6 LP	315	<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
	316	<citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
	317	<citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
	318	<citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
5aded369 ZJS	319	<citerefentry project='man-pages'><refentrytitle>pam.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
	320	<citerefentry project='man-pages'><refentrytitle>pam.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
	321	<citerefentry project='man-pages'><refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
	322	<citerefentry project='man-pages'><refentrytitle>pam_loginuid</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
3e2f69b7 LP	323	<citerefentry><refentrytitle>systemd.scope</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
	324	<citerefentry><refentrytitle>systemd.slice</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
	325	<citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>
160cd5c9 LP	326	</para>
	327	</refsect1>
	328
	329	</refentry>