<orderedlist>
<listitem><para>If it does not exist yet, the
user runtime directory
- <filename>/var/run/user/$USER</filename> is
+ <filename>/run/user/$USER</filename> is
created and its ownership changed to the user
that is logging in.</para></listitem>
- <listitem><para>If
- <option>create-session=1</option> is set, the
+ <listitem><para>The
<varname>$XDG_SESSION_ID</varname> environment
variable is initialized. If auditing is
available and
an independent session counter is
used.</para></listitem>
- <listitem><para>If
- <option>create-session=1</option> is set, a new
- control group
+ <listitem><para>A new control group
<filename>/user/$USER/$XDG_SESSION_ID</filename>
is created and the login process moved into
it.</para></listitem>
-
- <listitem><para>If
- <option>create-session=0</option> is set, a new
- control group
- <filename>/user/$USER/user</filename>
- is created and the login process moved into
- it.</para></listitem>
-
</orderedlist>
<para>On logout, this module ensures the following:</para>
<orderedlist>
<listitem><para>If
<varname>$XDG_SESSION_ID</varname> is set and
- <option>kill-session=1</option> specified, all
+ <option>kill-session-processes=1</option> specified, all
remaining processes in the
<filename>/user/$USER/$XDG_SESSION_ID</filename>
control group are killed and the control group
is removed.</para></listitem>
- <listitem><para>If
- <varname>$XDG_SESSION_ID</varname> is set and
- <option>kill-session=0</option> specified, all
- remaining processes in the
- <filename>/user/$USER/$XDG_SESSION_ID</filename>
- control group are migrated to
- <filename>/user/$USER/user</filename> and
- the original control group is
- removed.</para></listitem>
-
- <listitem><para>If
- <option>kill-user=1</option> is specified, and
- no other user session control group remains,
- except
- <filename>/user/$USER/user</filename>,
- all remaining processes in the
- <filename>/user/$USER</filename> hierarchy
- are killed and the control group is removed.</para></listitem>
-
- <listitem><para>If
- <option>kill-user=0</option> is specified, and
- no process remains in the
- <filename>/user/$USER</filename> hierarchy the
- control group is removed.</para></listitem>
-
- <listitem><para>If the
+ <listitem><para>If last subgroup of the
<filename>/user/$USER</filename> control group
was removed the
<varname>$XDG_RUNTIME_DIR</varname> directory
<variablelist>
<varlistentry>
- <term><option>create-session=</option></term>
-
- <listitem><para>Takes a boolean
- argument. If true, a new session is
- created: the
- <varname>$XDG_SESSION_ID</varname>
- environment variable is set and the
- login process moved to the
- <filename>/user/$USER/$XDG_SESSION_ID</filename>
- control group. It is recommended that
- all services which are directly created
- on the user's behalf set this
- option. Only for services that shall
- automatically be terminated when the
- user logs out completely, otherwise
- <varname>create-session=0</varname>
- should be set.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>kill-session=</option></term>
+ <term><option>kill-session-processes=</option></term>
<listitem><para>Takes a boolean
argument. If true, all processes
</varlistentry>
<varlistentry>
- <term><option>kill-user=</option></term>
+ <term><option>kill-only-users=</option></term>
- <listitem><para>Takes a boolean
- argument. If true, all processes
- created by the user during his session
- and from his session will be
- terminated after he logged out
- completely. This is a weaker version
- of <option>kill-session=1</option> and is
- more friendly for users logged in more
- than once, as their processes are
- terminated only on their complete
- logout.</para></listitem>
+ <listitem><para>Takes a comma
+ separated list of user names or
+ numeric user ids as argument. If this
+ option is used the effect of the
+ <option>kill-session-processes=</option> options
+ will apply only to the listed
+ users. If this option is not used the
+ option applies to all local
+ users. Note that
+ <option>kill-exclude-users=</option>
+ takes precedence over this list and is
+ hence subtracted from the list
+ specified here.</para></listitem>
</varlistentry>
<varlistentry>
- <term><option>keep-root=</option></term>
+ <term><option>kill-exclude-users=</option></term>
- <listitem><para>Takes a boolean
- argument. If true, all processes
- created by the root user (UID 0) during his
- session and from his session will be
- kept around after he logged out. This
- option allows cancelling the effect of
- <option>kill-session=1</option> and
- <option>kill-user=1</option> for the
- root user.</para></listitem>
+ <listitem><para>Takes a comma
+ separated list of user names or
+ numeric user ids as argument. Users
+ listed in this argument will not be
+ subject to the effect of
+ <option>kill-session-processes=</option>. Note
+ that that this option takes precedence
+ over
+ <option>kill-only-users=</option>, and
+ hence whatever is listed for
+ <option>kill-exclude-users=</option>
+ is guaranteed to never be killed by
+ this PAM module, independent of any
+ other configuration
+ setting.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>controllers=</option></term>
<listitem><para>Takes a comma
- separated list of cgroup controllers
- in which hierarchies a user/session
- cgroup will be created by default for
- each user logging in. If ommited,
- defaults to 'cpu', meaning that in
- addition to creating per-user and
- per-session cgroups in systemd's own
- hierarchy, groups are created in the
- 'cpu' hierarchy, on order to ensure
- that every use and every sessions gets
- an equal amount of CPU time,
- regardless how many processes a user
- or session might
- own.</para></listitem>
+ separated list of control group
+ controllers in which hierarchies a
+ user/session control group will be
+ created by default for each user
+ logging in, in addition to the control
+ group in the named 'name=systemd'
+ hierarchy. If omitted, defaults to an
+ empty list.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>reset-controllers=</option></term>
+
+ <listitem><para>Takes a comma
+ separated list of control group
+ controllers in which hierarchies the
+ logged in processes will be reset to
+ the root control
+ group.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>debug=</option></term>
+
+ <listitem><para>Takes a boolean
+ argument. If yes, the module will log
+ debugging information as it
+ operates.</para></listitem>
</varlistentry>
</variablelist>
- <para>Note that setting <varname>kill-user=1</varname>
- or even <varname>kill-session=1</varname> will break
- tools like
+ <para>Note that setting
+ <varname>kill-session-processes=1</varname> will break tools
+ like
<citerefentry><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
+ <para>Note that
+ <varname>kill-session-processes=1</varname> is a
+ stricter version of
+ <varname>KillUserProcesses=1</varname> which may be
+ configured system-wide in
+ <citerefentry><refentrytitle>systemd-logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>. The
+ former kills processes of a session as soon as it
+ ends, the latter kills processes as soon as the last
+ session of the user ends.</para>
+
<para>If the options are omitted they default to
- <option>create-session=1</option>,
- <option>kill-session=0</option>,
- <option>kill-user=0</option>,
- <option>keep-root=1</option>.</para>
+ <option>kill-session-processes=0</option>,
+ <option>kill-only-users=</option>,
+ <option>kill-exclude-users=</option>,
+ <option>controllers=</option>,
+ <option>reset-controllers=</option>,
+ <option>debug=no</option>.</para>
</refsect1>
<refsect1>
password required pam_unix.so
session required pam_unix.so
session required pam_loginuid.so
-session required pam_systemd.so kill-user=1</programlisting>
+session required pam_systemd.so kill-session-processes=1</programlisting>
</refsect1>
<refsect1>
<citerefentry><refentrytitle>pam.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>pam_loginuid</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>
~ianmdlvl / elogind.git / blobdiff