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authorLennart Poettering <lennart@poettering.net>2013-07-19 18:52:09 +0200
committerLennart Poettering <lennart@poettering.net>2013-07-19 18:52:09 +0200
commit3e2f69b779aa0f3466ebb45837e8507baa0832f7 (patch)
tree7c5e3b8de23c216b0983bfca5bf48d1fbf303cc1 /man
parent7f0386f62c128896519aafa203caa1b3aafd4393 (diff)
man: update pam_systemd documentation to current state of the code
Diffstat (limited to 'man')
-rw-r--r--man/pam_systemd.xml140
1 files changed, 25 insertions, 115 deletions
diff --git a/man/pam_systemd.xml b/man/pam_systemd.xml
index 4e5cdf248b..1d924bc319 100644
--- a/man/pam_systemd.xml
+++ b/man/pam_systemd.xml
@@ -80,29 +80,32 @@
an independent session counter is
used.</para></listitem>
- <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>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 in
+ it. In instance of the system service
+ <filename>user@.service</filename> which runt
+ the systemd user manager
+ instance.</para></listitem>
</orderedlist>
<para>On logout, this module ensures the following:</para>
<orderedlist>
- <listitem><para>If
- <varname>$XDG_SESSION_ID</varname> is set and
- <option>kill-session-processes=1</option> specified, all
- remaining processes in the
- <filename>/user/$USER/$XDG_SESSION_ID</filename>
- control group are killed and the control group
- is removed.</para></listitem>
-
- <listitem><para>If the last subgroup of the
- <filename>/user/$USER</filename> control group
- was removed the
+ <listitem><para>If this is enabled all
+ processes of the session are terminated. If
+ the last concurrent session of a user ends his
+ user systemd instance will be terminated too,
+ and so will the user's slice
+ unit.</para></listitem>
+
+ <listitem><para>If the las concurrent session
+ of a user ends the
<varname>$XDG_RUNTIME_DIR</varname> directory
- and all its contents are
- removed, too.</para></listitem>
+ and all its contents are removed,
+ too.</para></listitem>
</orderedlist>
<para>If the system was not booted up with systemd as
@@ -117,79 +120,6 @@
<para>The following options are understood:</para>
<variablelist class='pam-directives'>
- <varlistentry>
- <term><option>kill-session-processes=</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 when he logs out from his
- session.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>kill-only-users=</option></term>
-
- <listitem><para>Takes a comma-separated
- list of usernames 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>kill-exclude-users=</option></term>
-
- <listitem><para>Takes a comma-separated
- list of usernames 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 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 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>class=</option></term>
@@ -209,29 +139,6 @@
operates.</para></listitem>
</varlistentry>
</variablelist>
-
- <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>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>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>
@@ -306,7 +213,7 @@ 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 kill-session-processes=1</programlisting>
+session required pam_systemd.so</programlisting>
</refsect1>
<refsect1>
@@ -319,7 +226,10 @@ session required pam_systemd.so kill-session-processes=1</programlisting>
<citerefentry><refentrytitle>pam.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<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>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>